{"id":1819,"date":"2026-03-06T01:05:36","date_gmt":"2026-03-05T17:05:36","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=1819"},"modified":"2026-03-06T10:21:04","modified_gmt":"2026-03-06T02:21:04","slug":"%e4%bf%a1%e6%81%af%e6%94%b6%e9%9b%86-web%e5%ba%94%e7%94%a8cdn%e7%bb%95%e8%bf%87%e5%8a%a0%e9%80%9f%e9%83%a8%e7%bd%b2%e6%bc%8f%e6%b4%9e%e5%9b%9e%e9%93%be%e5%85%a8%e7%bd%91%e6%89%ab","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/03\/06\/%e4%bf%a1%e6%81%af%e6%94%b6%e9%9b%86-web%e5%ba%94%e7%94%a8cdn%e7%bb%95%e8%bf%87%e5%8a%a0%e9%80%9f%e9%83%a8%e7%bd%b2%e6%bc%8f%e6%b4%9e%e5%9b%9e%e9%93%be%e5%85%a8%e7%bd%91%e6%89%ab\/preluna\/text\/","title":{"rendered":"\u4fe1\u606f\u6536\u96c6-Web\u5e94\u7528&amp;CDN\u7ed5\u8fc7&amp;\u52a0\u901f\u90e8\u7f72&amp;\u6f0f\u6d1e\u56de\u94fe&amp;\u5168\u7f51\u626b\u63cf&amp;\u53cd\u5411\u90ae\u4ef6&amp;\u89e3\u6790\u8bb0\u5f55"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4fe1\u606f\u6536\u96c6-Web\u5e94\u7528-CDN\u52a0\u901f-\u5982\u4f55\u8bc6\u522b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u91cd\u6784\u8ba4\u77e5\u57fa\u7840<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u91cd\u65b0\u68b3\u7406Web\u5e94\u7528\u5728\u7f51\u7edc\u4e2d\u8bf7\u6c42\u6d41\u8f6c\u4e0e\u54cd\u5e94\u7684\u57fa\u7840\u673a\u5236\uff0c\u4e3a\u540e\u7eed\u8bc6\u522bCDN\u52a0\u901f\u670d\u52a1\u5efa\u7acb\u8ba4\u77e5\u524d\u63d0\u3002\u7528\u6237\u8bbf\u95ee\u57df\u540d\u65f6\uff0c\u8bf7\u6c42\u4f9d\u6b21\u7ecf\u8fc7DNS\u89e3\u6790\u3001\u8def\u7531\u8f6c\u53d1\u3001\u6e90\u7ad9\u5904\u7406\u7b49\u73af\u8282\u3002\u7406\u89e3\u8be5\u5e95\u5c42\u903b\u8f91\uff0c\u6709\u52a9\u4e8e\u533a\u5206\u666e\u901a\u7ad9\u70b9\u4e0eCDN\u52a0\u901f\u7ad9\u70b9\uff0c\u907f\u514d\u5c06CDN\u8282\u70b9\u8bef\u8ba4\u4e3a\u6e90\u7ad9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP\u8bf7\u6c42\u4ece\u5ba2\u6237\u7aef\u5230\u670d\u52a1\u5668\u7684\u5b8c\u6574\u8def\u5f84\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DNS\u89e3\u6790\uff08DNS Resolution\uff09<\/strong>\uff1a\u5ba2\u6237\u7aef\u5411\u9012\u5f52DNS\u670d\u52a1\u5668\u67e5\u8be2\u57df\u540d\u5bf9\u5e94\u7684IP\u5730\u5740\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u8def\u7531\uff08Routing\uff09<\/strong>\uff1a\u6570\u636e\u5305\u6839\u636eIP\u5730\u5740\u7ecf\u8fc7\u591a\u4e2a\u8def\u7531\u5668\u8df3\u8f6c\u5230\u8fbe\u76ee\u6807\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li><strong>\u670d\u52a1\u5668\u5904\u7406<\/strong>\uff1a\u76ee\u6807\u670d\u52a1\u5668\u63a5\u6536\u8bf7\u6c42\uff0c\u5904\u7406\u540e\u8fd4\u56de\u54cd\u5e94\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7ad9\u70b9\u4f7f\u7528CDN\u65f6\uff0cDNS\u89e3\u6790\u8fd4\u56de\u7684\u662fCDN\u8fb9\u7f18\u8282\u70b9\uff08Edge Node\uff09\u7684IP\u5730\u5740\uff0c\u800c\u975e\u6e90\u7ad9\u771f\u5b9eIP\u3002\u8fb9\u7f18\u8282\u70b9\u6839\u636e\u7528\u6237\u5730\u7406\u4f4d\u7f6e\u5c31\u8fd1\u54cd\u5e94\uff0c\u5e76\u53ef\u7f13\u5b58\u9759\u6001\u8d44\u6e90\u3002\u8be5\u8bbe\u8ba1\u63d0\u5347\u8bbf\u95ee\u901f\u5ea6\u4e0e\u53ef\u9760\u6027\uff0c\u4f46\u5b89\u5168\u6d4b\u8bd5\u9700\u8bc6\u522b\u8fd9\u79cd\u201c\u4e2d\u95f4\u5c42\u201d\uff0c\u4ee5\u4fbf\u8fdb\u4e00\u6b65\u5b9a\u4f4d\u771f\u5b9e\u6e90\u7ad9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u662f\u8bc6\u522b\u6d41\u7a0b\u7684\u8ba4\u77e5\u8d77\u70b9\u3002\u540e\u7eed\u6a21\u5757\u5728\u6b64\u57fa\u7840\u4e4b\u4e0a\uff0c\u9010\u6b65\u62c6\u89e3CDN\u7684\u7ec4\u6210\u7ed3\u6784\u3001\u5efa\u7acb\u8bc6\u522b\u65b9\u6cd5\u3001\u5f62\u6210\u64cd\u4f5c\u8def\u5f84\u3002\u6b63\u786e\u7406\u89e3\u666e\u901a\u8bf7\u6c42\u4e0eCDN\u52a0\u901f\u8bf7\u6c42\u7684\u533a\u522b\uff0c\u662f\u540e\u7eed\u6b65\u9aa4\u7684\u524d\u63d0\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u57fa\u7840\u7f51\u7edc\u5de5\u5177\u89c2\u5bdf\u8bf7\u6c42\u6d41\u8f6c\uff0c\u9700\u786e\u4fdd\u76ee\u6807\u5df2\u83b7\u6388\u6743\uff08\u5982 <code>httpbin.org<\/code> \u6216\u672c\u5730\u6d4b\u8bd5\u73af\u5883\uff09\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u67e5\u770b\u54cd\u5e94\u5934\ncurl -I https:\/\/httpbin.org\n\n# \u67e5\u8be2\u57df\u540dA\u8bb0\u5f55\ndig httpbin.org\n\n# \u8ffd\u8e2a\u8def\u7531\u8def\u5f84\uff08Linux\/macOS\uff09\ntraceroute httpbin.org\n# Windows \u4f7f\u7528 tracert httpbin.org<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u547d\u4ee4\u4ec5\u7528\u4e8e\u5b66\u4e60\u7f51\u7edc\u57fa\u7840\uff0c\u4e0d\u6d89\u53ca\u653b\u51fb\u884c\u4e3a\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u5177<\/th><th>\u9002\u7528\u573a\u666f<\/th><th>\u4f18\u70b9<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td><code>curl<\/code><\/td><td>\u67e5\u770bHTTP\u54cd\u5e94\u5934\u3001\u670d\u52a1\u5668\u4fe1\u606f<\/td><td>\u7b80\u5355\u76f4\u63a5\uff0c\u53ef\u5b9a\u5236\u8bf7\u6c42<\/td><td>\u53ea\u80fd\u770b\u5230\u5e94\u7528\u5c42\u4fe1\u606f\uff0c\u65e0\u6cd5\u83b7\u53d6\u5e95\u5c42\u7f51\u7edc\u8def\u5f84<\/td><\/tr><tr><td><code>dig<\/code> \/ <code>nslookup<\/code><\/td><td>DNS\u67e5\u8be2\uff0c\u83b7\u53d6\u57df\u540d\u89e3\u6790IP<\/td><td>\u5feb\u901f\u83b7\u53d6DNS\u8bb0\u5f55\uff0c\u652f\u6301\u591a\u79cd\u8bb0\u5f55\u7c7b\u578b<\/td><td>\u4ec5\u53cd\u6620DNS\u89e3\u6790\u7ed3\u679c\uff0c\u4e0d\u80fd\u786e\u8ba4\u662f\u5426\u4e3aCDN\u8282\u70b9<\/td><\/tr><tr><td><code>traceroute<\/code> \/ <code>tracert<\/code><\/td><td>\u8ffd\u8e2a\u6570\u636e\u5305\u7ecf\u8fc7\u7684\u8def\u7531\u8282\u70b9<\/td><td>\u53ef\u89c2\u5bdf\u7f51\u7edc\u8def\u5f84\uff0c\u82e5\u8def\u5f84\u672b\u7aef\u4e3aCDN\u8282\u70b9\u5219\u53ef\u80fd\u4f53\u73b0<\/td><td>\u8f93\u51fa\u53d7\u7f51\u7edc\u6ce2\u52a8\u5f71\u54cd\uff0c\u90e8\u5206\u8282\u70b9\u53ef\u80fd\u4e0d\u54cd\u5e94ICMP<\/td><\/tr><tr><td><code>ping<\/code><\/td><td>\u6d4b\u8bd5\u8fde\u901a\u6027\u53caRTT<\/td><td>\u7b80\u5355\uff0c\u53ef\u521d\u6b65\u5224\u65ad\u5ef6\u8fdf<\/td><td>\u65e0\u6cd5\u533a\u5206CDN\u4e0e\u6e90\u7ad9\uff0cICMP\u53ef\u80fd\u88ab\u5c4f\u853d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u786e\u8ba4\u76ee\u6807\u57df\u540d<\/strong>\uff1a\u4f8b\u5982 <code>httpbin.org<\/code>\uff08\u9700\u6388\u6743\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6267\u884cDNS\u67e5\u8be2<\/strong>\uff1a\u4f7f\u7528 <code>dig<\/code> \u83b7\u53d6\u57df\u540d\u89e3\u6790\u7684IP\u5730\u5740\u5217\u8868\u3002<\/li>\n\n\n\n<li><strong>\u8bb0\u5f55\u89e3\u6790IP<\/strong>\uff1a\u4fdd\u5b58\u8fd4\u56de\u7684IP\u5730\u5740\u3002<\/li>\n\n\n\n<li><strong>\u6d4b\u8bd5HTTP\u54cd\u5e94\u5934<\/strong>\uff1a\u4f7f\u7528 <code>curl -I<\/code> \u67e5\u770b\u54cd\u5e94\u5934\u4e2d\u7684 <code>Server<\/code> \u5b57\u6bb5\u53caCDN\u7279\u6709\u5934\u90e8\uff08\u5982 <code>Via<\/code>\u3001<code>X-Cache<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8ffd\u8e2a\u8def\u7531\u8def\u5f84<\/strong>\uff1a\u6267\u884c <code>traceroute<\/code> \u89c2\u5bdf\u4ece\u672c\u5730\u5230\u76ee\u6807IP\u7684\u8def\u5f84\u8282\u70b9\u3002<\/li>\n\n\n\n<li><strong>\u5bf9\u6bd4\u5206\u6790<\/strong>\uff1a\u7efc\u5408DNS\u3001HTTP\u5934\u3001\u8def\u7531\u4fe1\u606f\uff0c\u5224\u65ad\u662f\u5426\u5b58\u5728CDN\u7279\u5f81\uff08\u5982IP\u5f52\u5c5eCDN\u670d\u52a1\u5546\u3001\u54cd\u5e94\u5934\u6709\u7f13\u5b58\u6807\u8bc6\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DNS\u89e3\u6790\u4e00\u81f4\u6027<\/strong>\uff1a\u591a\u6b21\u67e5\u8be2\u540c\u4e00\u57df\u540d\uff0c\u82e5\u8fd4\u56de\u591a\u4e2aIP\u4e14\u5c5e\u4e8e\u540c\u4e00ASN\uff08\u81ea\u6cbb\u7cfb\u7edf\u53f7\uff09\uff0c\u53ef\u80fd\u4e3aCDN\u8282\u70b9\u3002<\/li>\n\n\n\n<li><strong>\u54cd\u5e94\u5934\u6807\u8bc6<\/strong>\uff1a\u68c0\u67e5\u662f\u5426\u5b58\u5728 <code>CF-Ray<\/code>\uff08Cloudflare\uff09\u3001<code>X-Served-By<\/code>\uff08Akamai\uff09\u7b49CDN\u7279\u6709\u5934\u90e8\u3002<\/li>\n\n\n\n<li><strong>\u8def\u7531\u8def\u5f84\u672b\u6bb5<\/strong>\uff1atraceroute\u6700\u540e\u51e0\u8df3\u57df\u540d\u82e5\u5305\u542bCDN\u670d\u52a1\u5546\u6807\u8bc6\uff08\u5982 <code>cloudflare.com<\/code>\uff09\uff0c\u63d0\u793a\u6709CDN\u3002<\/li>\n\n\n\n<li><strong>\u5730\u7406\u5ef6\u8fdf<\/strong>\uff1a\u4ece\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u53d1\u8d77\u8bf7\u6c42\uff0c\u82e5\u5ef6\u8fdf\u5dee\u5f02\u5c0f\uff0c\u53ef\u80fd\u7ecf\u8fc7CDN\u5168\u5c40\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u4ec5\u51ed\u5355\u4e00\u5de5\u5177\u4e0b\u5b9a\u8bba\uff0c\u4f8b\u5982\u4ec5\u6839\u636eIP\u5730\u5740\u5224\u65ad\u6e90\u7ad9\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u7ed3\u5408\u591a\u5de5\u5177\u4ea4\u53c9\u9a8c\u8bc1\uff0c\u7279\u522b\u662fDNS\u5386\u53f2\u8bb0\u5f55\u548cHTTP\u5934\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u8bef\u5c06\u4ee3\u7406\u6216\u9632\u706b\u5899\u8282\u70b9\u5f53\u4f5cCDN\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u68c0\u67e5\u54cd\u5e94\u5934\u4e2d\u7684\u7f13\u5b58\u76f8\u5173\u5b57\u6bb5\uff08\u5982 <code>Cache-Control<\/code>\u3001<code>Age<\/code>\uff09\uff0cCDN\u901a\u5e38\u6709\u660e\u786e\u7f13\u5b58\u6807\u8bc6\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1atraceroute\u88ab\u4e2d\u95f4\u8def\u7531\u5668\u5c4f\u853d\uff0c\u5bfc\u81f4\u8def\u5f84\u4e0d\u5b8c\u6574\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u5c1d\u8bd5\u4f7f\u7528TCP traceroute\uff08\u5982 <code>tcptraceroute<\/code>\uff09\u6216\u4ece\u4e0d\u540c\u7f51\u7edc\u4f4d\u7f6e\u6d4b\u8bd5\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u4ec5\u7528\u4e8e\u5408\u6cd5\u6388\u6743\u7684\u5b89\u5168\u6d4b\u8bd5\u4e0e\u5b66\u4e60\u3002\u672a\u7ecf\u6388\u6743\u63a2\u6d4b\u76ee\u6807\u53ef\u80fd\u8fdd\u53cd\u6cd5\u5f8b\u6cd5\u89c4\u3002\u64cd\u4f5c\u524d\u5fc5\u987b\u786e\u8ba4\u76ee\u6807\u6240\u6709\u6743\u6216\u83b7\u5f97\u660e\u786e\u6388\u6743\u3002\u4f7f\u7528\u516c\u5f00\u6d4b\u8bd5\u7ad9\u70b9\uff08\u5982 <code>httpbin.org<\/code>\uff09\u662f\u5b89\u5168\u7684\uff0c\u4f46\u4efb\u4f55\u6d89\u53ca\u771f\u5b9e\u57df\u540d\u7684\u63a2\u6d4b\u5747\u5e94\u5728\u6cd5\u5f8b\u6846\u67b6\u5185\u8fdb\u884c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u91cd\u65b0\u6784\u5efa\u4e86Web\u8bf7\u6c42\u7684\u57fa\u7840\u8ba4\u77e5\uff0c\u4ecb\u7ecd\u4e86\u67e5\u770bDNS\u89e3\u6790\u3001HTTP\u54cd\u5e94\u5934\u3001\u8def\u7531\u8def\u5f84\u7684\u57fa\u672c\u65b9\u6cd5\u3002\u8fd9\u4e9b\u6280\u80fd\u662f\u540e\u7eed\u8bc6\u522bCDN\u52a0\u901f\u670d\u52a1\u7684\u57fa\u77f3\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u805a\u7126\u4e8e\u6838\u5fc3\u95ee\u9898\uff1a\u5982\u4f55\u51c6\u786e\u5224\u65ad\u4e00\u4e2a\u7f51\u7ad9\u662f\u5426\u4f7f\u7528\u4e86CDN\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe1-1\uff1a\u666e\u901a\u8bf7\u6c42\u4e0eCDN\u52a0\u901f\u8bf7\u6c42\u8def\u5f84\u5bf9\u6bd4<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u666e\u901a\u8bf7\u6c42\u4e0eCDN\u52a0\u901f\u8bf7\u6c42\u8def\u5f84\u5bf9\u6bd4-1024x158.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"158\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u666e\u901a\u8bf7\u6c42\u4e0eCDN\u52a0\u901f\u8bf7\u6c42\u8def\u5f84\u5bf9\u6bd4-1024x158.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1820\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u660e\u786e\u95ee\u9898\u76ee\u6807<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u7684\u6838\u5fc3\u4efb\u52a1\u662f\u754c\u5b9a\u76ee\u6807Web\u5e94\u7528\u662f\u5426\u90e8\u7f72\u4e86CDN\u52a0\u901f\u670d\u52a1\u3002\u8bc6\u522bCDN\u7684\u5b58\u5728\u662f\u4fe1\u606f\u6536\u96c6\u9636\u6bb5\u7684\u91cd\u8981\u6b65\u9aa4\uff0c\u56e0\u4e3aCDN\u4f1a\u9690\u85cf\u771f\u5b9e\u6e90\u7ad9IP\uff0c\u5f71\u54cd\u540e\u7eed\u6f0f\u6d1e\u6316\u6398\u4e0e\u6e17\u900f\u6d4b\u8bd5\u7684\u65b9\u5411\u3002\u660e\u786e\u201c\u662f\u5426\u6709CDN\u201d\u53ef\u907f\u514d\u6d4b\u8bd5\u7cbe\u529b\u6d6a\u8d39\u5728CDN\u8282\u70b9\u4e0a\uff0c\u5e76\u4e3a\u540e\u7eed\u5bfb\u627e\u771f\u5b9e\u6e90\u7ad9\u5960\u5b9a\u57fa\u7840\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">CDN\u901a\u8fc7DNS\u667a\u80fd\u89e3\u6790\u5c06\u7528\u6237\u5bfc\u5411\u5c31\u8fd1\u7684\u8fb9\u7f18\u8282\u70b9\uff0c\u8fb9\u7f18\u8282\u70b9\u53ef\u7f13\u5b58\u9759\u6001\u8d44\u6e90\u6216\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406\u8f6c\u53d1\u52a8\u6001\u8bf7\u6c42\u3002\u56e0\u6b64\uff0c\u5224\u65adCDN\u5b58\u5728\u7684\u4e3b\u8981\u4f9d\u636e\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DNS\u89e3\u6790\u7ed3\u679c<\/strong>\uff1a\u89e3\u6790\u51fa\u7684IP\u662f\u5426\u5c5e\u4e8e\u77e5\u540dCDN\u670d\u52a1\u5546\u7684IP\u6bb5\u3002<\/li>\n\n\n\n<li><strong>HTTP\u54cd\u5e94\u7279\u5f81<\/strong>\uff1a\u54cd\u5e94\u5934\u4e2d\u662f\u5426\u5305\u542bCDN\u7279\u6709\u5b57\u6bb5\uff08\u5982 <code>X-Cache<\/code>\u3001<code>CF-Cache-Status<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u8def\u5f84\u7279\u5f81<\/strong>\uff1a\u4ece\u4e0d\u540c\u5730\u57df\u8bbf\u95ee\uff0c\u662f\u5426\u5230\u8fbe\u4e0d\u540cIP\u4f46\u8fd4\u56de\u76f8\u540c\u5185\u5bb9\u3002<\/li>\n\n\n\n<li><strong>\u8bc1\u4e66\u4fe1\u606f<\/strong>\uff1aSSL\u8bc1\u4e66\u7684\u9881\u53d1\u8005\u6216SAN\u57df\u540d\u662f\u5426\u5305\u542bCDN\u670d\u52a1\u5546\u4fe1\u606f\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5728\u8ba4\u77e5\u57fa\u7840\u4e4b\u540e\uff0c\u5c06\u95ee\u9898\u805a\u7126\u4e3a\u201c\u662f\u5426\u90e8\u7f72CDN\u201d\uff0c\u4e3a\u540e\u7eed\u62c6\u89e3CDN\u7ed3\u6784\u3001\u5efa\u7acb\u8bc6\u522b\u6a21\u578b\u63d0\u4f9b\u660e\u786e\u76ee\u6807\u3002\u786e\u8ba4\u5b58\u5728CDN\u540e\uff0c\u518d\u5206\u6790\u5176\u7ed3\u6784\u548c\u7ed5\u8fc7\u65b9\u6cd5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9488\u5bf9\u6388\u6743\u76ee\u6807\uff08\u5982 <code>juice-shop.herokuapp.com<\/code>\uff09\u8fdb\u884c\u63a2\u6d4b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u67e5\u8be2DNS A\u8bb0\u5f55\uff0c\u89c2\u5bdfIP\u6570\u91cf\u53ca\u5f52\u5c5e\ndig juice-shop.herokuapp.com\n\n# \u4f7f\u7528curl\u67e5\u770b\u54cd\u5e94\u5934\uff0c\u5bfb\u627eCDN\u7279\u5f81\ncurl -I https:\/\/juice-shop.herokuapp.com\n\n# \u4f7f\u7528nmap\u5bf9\u89e3\u6790\u51fa\u7684IP\u8fdb\u884c\u670d\u52a1\u8bc6\u522b\uff0c\u5224\u65ad\u662f\u5426\u4e3a\u5e38\u89c1CDN\u7aef\u53e3\u5f00\u653e\u60c5\u51b5\uff08\u598280,443\uff09\nnmap -p 80,443 &lt;\u89e3\u6790\u51fa\u7684IP&gt;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u672c\u6a21\u5757\u4ec5\u4f7f\u7528\u672c\u5730\u547d\u4ee4\uff0c\u4e0d\u4f9d\u8d56\u5916\u90e8\u5728\u7ebf\u5de5\u5177\u3002\uff09<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u5177<\/th><th>\u9002\u7528\u573a\u666f<\/th><th>\u4f18\u70b9<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td><code>dig<\/code><\/td><td>\u83b7\u53d6DNS\u89e3\u6790IP<\/td><td>\u5feb\u901f\u3001\u652f\u6301\u591a\u79cd\u8bb0\u5f55\u7c7b\u578b<\/td><td>\u65e0\u6cd5\u76f4\u63a5\u5224\u65adIP\u5f52\u5c5e\uff0c\u9700\u914d\u5408IP\u5f52\u5c5e\u67e5\u8be2<\/td><\/tr><tr><td><code>curl<\/code><\/td><td>\u5206\u6790HTTP\u54cd\u5e94\u5934<\/td><td>\u53ef\u770b\u5230\u5b9e\u65f6\u54cd\u5e94\u5934\uff0c\u5305\u62ecCDN\u7279\u6709\u5b57\u6bb5<\/td><td>\u82e5CDN\u4ec5\u7f13\u5b58\u9759\u6001\u8d44\u6e90\uff0c\u52a8\u6001\u8bf7\u6c42\u53ef\u80fd\u76f4\u63a5\u56de\u6e90\uff0c\u5934\u90e8\u53ef\u80fd\u4e0d\u540c<\/td><\/tr><tr><td><code>nmap<\/code><\/td><td>\u626b\u63cfIP\u5f00\u653e\u7aef\u53e3\u53ca\u670d\u52a1<\/td><td>\u53ef\u8bc6\u522bIP\u4e0a\u8fd0\u884c\u7684\u670d\u52a1\uff0c\u5224\u65ad\u662f\u5426\u4e3aWeb\u670d\u52a1\u5668<\/td><td>\u53ef\u80fd\u89e6\u53d1\u5b89\u5168\u8b66\u62a5\uff0c\u9700\u8c28\u614e\u4f7f\u7528<\/td><\/tr><tr><td><code>whois<\/code><\/td><td>\u67e5\u8be2IP\u5f52\u5c5e\u53caASN<\/td><td>\u53ef\u5224\u65adIP\u662f\u5426\u5c5e\u4e8eCDN\u670d\u52a1\u5546<\/td><td>\u9700\u8981\u672c\u5730\u6709whois\u5ba2\u6237\u7aef\uff0c\u4e14\u67e5\u8be2\u53ef\u80fd\u53d7\u9650<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>DNS\u67e5\u8be2<\/strong>\uff1a\u4f7f\u7528 <code>dig<\/code> \u83b7\u53d6\u76ee\u6807\u57df\u540d\u7684\u6240\u6709A\u8bb0\u5f55\uff0c\u8bb0\u5f55IP\u5217\u8868\u3002<\/li>\n\n\n\n<li><strong>IP\u5f52\u5c5e\u67e5\u8be2<\/strong>\uff1a\u4f7f\u7528 <code>whois<\/code> \u5224\u65ad\u6bcf\u4e2aIP\u6240\u5c5e\u7684ASN\u548c\u7ec4\u7ec7\u3002<\/li>\n\n\n\n<li><strong>HTTP\u5934\u5206\u6790<\/strong>\uff1a\u4f7f\u7528 <code>curl -I<\/code> \u8bbf\u95ee\u76ee\u6807\uff0c\u68c0\u67e5\u54cd\u5e94\u5934\u4e2d\u662f\u5426\u5b58\u5728 <code>CF-Ray<\/code>\u3001<code>X-Cache<\/code>\u3001<code>Via<\/code> \u7b49\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li><strong>\u591a\u5730\u57df\u6d4b\u8bd5<\/strong>\uff1a\u82e5\u6761\u4ef6\u5141\u8bb8\uff0c\u4ece\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u7684VPS\u53d1\u8d77\u8bf7\u6c42\uff0c\u89c2\u5bdf\u8fd4\u56de\u7684IP\u662f\u5426\u53d8\u5316\uff08\u53ef\u4f7f\u7528 <code>curl --resolve<\/code> \u6307\u5b9aIP\u6d4b\u8bd5\uff09\u3002<\/li>\n\n\n\n<li><strong>SSL\u8bc1\u4e66\u68c0\u67e5<\/strong>\uff1a\u4f7f\u7528 <code>openssl s_client -connect target:443<\/code> \u67e5\u770b\u8bc1\u4e66\u9881\u53d1\u8005\u53ca\u4e3b\u4f53\u5907\u7528\u540d\u79f0\uff0c\u6709\u65f6\u5305\u542bCDN\u670d\u52a1\u5546\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong>\u7efc\u5408\u5224\u65ad<\/strong>\uff1a\u6839\u636e\u4e0a\u8ff0\u4fe1\u606f\uff0c\u5224\u65ad\u662f\u5426\u6709\u4e24\u4e2a\u6216\u4ee5\u4e0a\u8bc1\u636e\u6307\u5411CDN\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IP\u5f52\u5c5e<\/strong>\uff1a\u89e3\u6790IP\u7684ASN\u82e5\u4e3aCloudflare\u3001Akamai\u3001Fastly\u7b49\uff0c\u6781\u53ef\u80fd\u4f7f\u7528CDN\u3002<\/li>\n\n\n\n<li><strong>\u54cd\u5e94\u5934\u7279\u5f81<\/strong>\uff1a\u51fa\u73b0 <code>CF-Ray<\/code> \u6216 <code>X-Amz-Cf-Id<\/code> \u7b49\u5b57\u6bb5\uff0c\u76f4\u63a5\u8bc1\u660e\u4f7f\u7528\u4e86\u7279\u5b9aCDN\u3002<\/li>\n\n\n\n<li><strong>\u591aIP\u540c\u4e00\u7f51\u7ad9<\/strong>\uff1a\u4ece\u4e0d\u540c\u5730\u533a\u89e3\u6790\u5230\u4e0d\u540cIP\uff0c\u4f46\u8bbf\u95ee\u65f6\u8fd4\u56de\u76f8\u540c\u7f51\u7ad9\u5185\u5bb9\uff08\u6bd4\u8f83\u54cd\u5e94\u5934\u6216\u9875\u9762\u7279\u5f81\uff09\uff0c\u8868\u660e\u8fd9\u4e9bIP\u5747\u4e3aCDN\u8282\u70b9\u3002<\/li>\n\n\n\n<li><strong>\u8bc1\u4e66\u9881\u53d1\u8005<\/strong>\uff1a\u8bc1\u4e66\u7531CDN\u670d\u52a1\u5546\u9881\u53d1\uff08\u5982 <code>Cloudflare Inc<\/code>\uff09\uff0c\u8bf4\u660e\u57df\u540d\u4f7f\u7528\u4e86\u8be5CDN\u7684SSL\u670d\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u5c06\u4e91\u4e3b\u673aIP\u8bef\u8ba4\u4e3aCDN\u8282\u70b9\uff08\u5982AWS\u3001\u963f\u91cc\u4e91IP\u6bb5\uff09\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u7ed3\u5408\u54cd\u5e94\u5934\uff0c\u4e91\u4e3b\u673a\u901a\u5e38\u4e0d\u6dfb\u52a0CDN\u7279\u6709\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u54cd\u5e94\u5934\u7f3a\u5c11CDN\u5b57\u6bb5\uff0c\u4f46\u5b9e\u9645\u4f7f\u7528\u4e86CDN\uff08\u5982\u4ec5\u7f13\u5b58\u9759\u6001\u8d44\u6e90\uff09\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u5c1d\u8bd5\u8bbf\u95ee\u9759\u6001\u8d44\u6e90\u8def\u5f84\uff08\u5982 <code>\/robots.txt<\/code>\uff09\u5e76\u89c2\u5bdf\u54cd\u5e94\u5934\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u8bef\u5c06\u8d1f\u8f7d\u5747\u8861\u5668\u5f53\u4f5cCDN\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u8d1f\u8f7d\u5747\u8861\u901a\u5e38\u5728\u540c\u4e00\u6570\u636e\u4e2d\u5fc3\uff0cCDN\u6709\u5168\u7403\u8282\u70b9\uff0c\u53ef\u901a\u8fc7\u5ef6\u8fdf\u5dee\u5f02\u5224\u65ad\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u4ec5\u7528\u4e8e\u5df2\u6388\u6743\u6d4b\u8bd5\u73af\u5883\u3002\u672a\u7ecf\u6388\u6743\u63a2\u6d4b\u4ed6\u4eba\u57df\u540d\u7684IP\u5f52\u5c5e\u548cHTTP\u5934\u4fe1\u606f\uff0c\u53ef\u80fd\u8fdd\u53cd\u670d\u52a1\u6761\u6b3e\u6216\u6cd5\u5f8b\u3002\u5efa\u8bae\u4f7f\u7528\u516c\u5f00\u6d4b\u8bd5\u7ad9\u70b9\uff08\u5982 <code>testphp.vulnweb.com<\/code>\uff09\u8fdb\u884c\u7ec3\u4e60\uff0c\u8be5\u7ad9\u70b9\u660e\u786e\u7528\u4e8e\u5b89\u5168\u6d4b\u8bd5\u5b66\u4e60\u3002\u4efb\u4f55\u9488\u5bf9\u771f\u5b9e\u7cfb\u7edf\u7684\u63a2\u6d4b\u5fc5\u987b\u83b7\u5f97\u4e66\u9762\u6388\u6743\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u660e\u786e\u4e86\u8bc6\u522bCDN\u7684\u76ee\u6807\uff0c\u5e76\u4ecb\u7ecd\u4e86\u591a\u7ef4\u5ea6\u521d\u6b65\u5224\u65ad\u7684\u65b9\u6cd5\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u62c6\u89e3CDN\u7684\u5185\u90e8\u7ed3\u6784\uff0c\u7406\u89e3\u5176\u89e3\u6790\u94fe\u8def\u7684\u5173\u952e\u8282\u70b9\uff0c\u4e3a\u66f4\u7cbe\u786e\u7684\u8bc6\u522b\u548c\u540e\u7eed\u7ed5\u8fc7\u6253\u4e0b\u57fa\u7840\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u62c6\u89e3\u5173\u952e\u7ed3\u6784<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u6df1\u5165\u5256\u6790CDN\u7f51\u7edc\u4e2d\u7684\u6838\u5fc3\u7ec4\u6210\u90e8\u5206\u53ca\u5176\u5728\u8bf7\u6c42\u89e3\u6790\u94fe\u8def\u4e2d\u7684\u4f5c\u7528\u3002\u7406\u89e3CDN\u7684\u8282\u70b9\u6784\u6210\u3001DNS\u667a\u80fd\u89e3\u6790\u673a\u5236\u3001\u7f13\u5b58\u4e0e\u56de\u6e90\u903b\u8f91\uff0c\u6709\u52a9\u4e8e\u5728\u8bc6\u522b\u8fc7\u7a0b\u4e2d\u7cbe\u51c6\u5b9a\u4f4d\u5224\u65ad\u4f9d\u636e\uff0c\u5e76\u4e3a\u540e\u7eed\u771f\u5b9e\u6e90\u7ad9\u53d1\u73b0\u63d0\u4f9b\u7406\u8bba\u652f\u6301\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5178\u578b\u7684CDN\u7cfb\u7edf\u5305\u542b\u4ee5\u4e0b\u5173\u952e\u7ec4\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fb9\u7f18\u8282\u70b9\uff08Edge Nodes\uff09<\/strong>\uff1a\u5206\u5e03\u5728\u5168\u7403\u5404\u5730\u7684\u7f13\u5b58\u670d\u52a1\u5668\uff0c\u76f4\u63a5\u54cd\u5e94\u7ec8\u7aef\u7528\u6237\u8bf7\u6c42\u3002<\/li>\n\n\n\n<li><strong>\u4e2d\u5fc3\u8c03\u5ea6\u7cfb\u7edf\uff08Global Load Balancer\uff09<\/strong>\uff1a\u6839\u636e\u7528\u6237\u5730\u7406\u4f4d\u7f6e\u3001\u7f51\u7edc\u72b6\u51b5\u7b49\u56e0\u7d20\uff0c\u5c06\u7528\u6237\u8bf7\u6c42\u5b9a\u5411\u5230\u6700\u4f18\u8fb9\u7f18\u8282\u70b9\u3002<\/li>\n\n\n\n<li><strong>DNS\u667a\u80fd\u89e3\u6790\uff08Smart DNS Resolution\uff09<\/strong>\uff1aCDN\u670d\u52a1\u5546\u901a\u8fc7\u81ea\u6709\u7684\u6743\u5a01DNS\u670d\u52a1\u5668\uff0c\u6839\u636e\u7528\u6237\u6765\u6e90IP\u8fd4\u56de\u4e0d\u540c\u7684\u8fb9\u7f18\u8282\u70b9IP\u3002<\/li>\n\n\n\n<li><strong>\u56de\u6e90\u673a\u5236\uff08Origin Pull\uff09<\/strong>\uff1a\u5f53\u8fb9\u7f18\u8282\u70b9\u672a\u7f13\u5b58\u8bf7\u6c42\u5185\u5bb9\u6216\u7f13\u5b58\u8fc7\u671f\u65f6\uff0c\u8282\u70b9\u4f1a\u5411\u6e90\u7ad9\u670d\u52a1\u5668\u53d1\u8d77\u8bf7\u6c42\uff0c\u83b7\u53d6\u6700\u65b0\u5185\u5bb9\u5e76\u7f13\u5b58\u3002<\/li>\n\n\n\n<li><strong>\u7f13\u5b58\u7b56\u7565\uff08Caching Policy\uff09<\/strong>\uff1a\u57fa\u4e8eHTTP\u5934\u4e2d\u7684 <code>Cache-Control<\/code>\u3001<code>Expires<\/code> \u7b49\u5b57\u6bb5\uff0c\u51b3\u5b9a\u8d44\u6e90\u7f13\u5b58\u65f6\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u89e3\u8fd9\u4e9b\u7ed3\u6784\uff0c\u6709\u52a9\u4e8e\u5728\u8bc6\u522b\u8fc7\u7a0b\u4e2d\u901a\u8fc7\u7279\u5b9a\u73b0\u8c61\u53cd\u63a8CDN\u7684\u5b58\u5728\u4e0e\u7c7b\u578b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u786e\u8ba4\u76ee\u6807\u53ef\u80fd\u4f7f\u7528CDN\u4e4b\u540e\uff0c\u672c\u6a21\u5757\u8fdb\u4e00\u6b65\u89e3\u6790CDN\u7684\u5185\u90e8\u7ed3\u6784\uff0c\u4e3a\u540e\u7eed\u5efa\u7acb\u591a\u6e90\u4ea4\u53c9\u9a8c\u8bc1\u6a21\u578b\u63d0\u4f9b\u7406\u8bba\u4f9d\u636e\u3002\u4f8b\u5982\uff0c\u4e86\u89e3\u8fb9\u7f18\u8282\u70b9\u548c\u4e2d\u5fc3\u8c03\u5ea6\u7684\u5b58\u5728\uff0c\u53ef\u8bbe\u8ba1\u6d4b\u8bd5\u65b9\u6cd5\u533a\u5206\u5b83\u4eec\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u9488\u5bf9\u6388\u6743\u76ee\u6807\uff08\u5982 <code>httpbin.org<\/code> \u6216\u672c\u5730 <code>DVWA<\/code> \u914d\u7f6eCDN\u6a21\u62df\u73af\u5883\uff09\uff0c\u6a21\u62df\u89c2\u5bdfCDN\u884c\u4e3a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u67e5\u8be2\u4e0d\u540cDNS\u670d\u52a1\u5668\u7684\u89e3\u6790\u7ed3\u679c\uff0c\u89c2\u5bdf\u667a\u80fd\u89e3\u6790\ndig @1.1.1.1 httpbin.org\ndig @8.8.8.8 httpbin.org\n\n# \u4f7f\u7528curl\u6d4b\u8bd5\u7f13\u5b58\u6548\u679c\uff08\u7b2c\u4e00\u6b21\u8bf7\u6c42\u4e0e\u7b2c\u4e8c\u6b21\u8bf7\u6c42\u5bf9\u6bd4Age\u5934\uff09\ncurl -I http:\/\/testphp.vulnweb.com  # \u6ce8\u610f\u8be5\u7ad9\u70b9\u53ef\u80fd\u65e0CDN\uff0c\u4ec5\u793a\u4f8b\n# \u5b9e\u9645\u4e2d\u53ef\u627e\u6709CDN\u7684\u6d4b\u8bd5\u7ad9\u70b9\uff0c\u5982 cloudflare \u6f14\u793a\u7ad9\u70b9\n\n# \u6d4b\u8bd5\u56de\u6e90\uff1a\u901a\u8fc7\u4fee\u6539Host\u5934\u5f3a\u5236\u6307\u5b9a\u8fb9\u7f18\u8282\u70b9\u8bbf\u95ee\u6e90\u7ad9\uff08\u4ec5\u7406\u8bba\uff0c\u5b9e\u9645\u9700\u7279\u6b8a\u624b\u6cd5\uff09\n# \u6b64\u5904\u4ec5\u6f14\u793a\u6982\u5ff5\uff0c\u4e0d\u5b9e\u9645\u64cd\u4f5c\u3002<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u5177<\/th><th>\u9002\u7528\u573a\u666f<\/th><th>\u4f18\u70b9<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td><code>dig<\/code> + \u6307\u5b9aDNS<\/td><td>\u6d4b\u8bd5\u4e0d\u540c\u9012\u5f52DNS\u4e0b\u7684\u89e3\u6790\u7ed3\u679c<\/td><td>\u53ef\u89c2\u5bdf\u667a\u80fd\u89e3\u6790\u662f\u5426\u751f\u6548<\/td><td>\u9700\u8981\u77e5\u9053CDN\u662f\u5426\u57fa\u4e8e\u8bf7\u6c42\u6e90IP\u800c\u975eDNS\u670d\u52a1\u5668IP<\/td><\/tr><tr><td><code>curl<\/code><\/td><td>\u6d4b\u8bd5\u7f13\u5b58\u884c\u4e3a<\/td><td>\u53ef\u89c2\u5bdfAge\u3001X-Cache\u7b49\u5934\u90e8<\/td><td>\u5355\u70b9\u6d4b\u8bd5\u65e0\u6cd5\u5168\u9762\u53cd\u6620\u5168\u5c40<\/td><\/tr><tr><td><code>mtr<\/code><\/td><td>\u6301\u7eed\u8def\u7531\u8ffd\u8e2a<\/td><td>\u53ef\u89c2\u5bdf\u8def\u5f84\u7a33\u5b9a\u6027\u53ca\u8282\u70b9\u53d8\u5316<\/td><td>\u540c\u6837\u53d7ICMP\u9650\u5236<\/td><\/tr><tr><td><code>whatsmydns.net<\/code> \u7c7b\u5728\u7ebf\u5de5\u5177<\/td><td>\u4ece\u5168\u7403DNS\u89c6\u89d2\u67e5\u8be2<\/td><td>\u5feb\u901f\u770b\u5230\u5168\u7403\u89e3\u6790\u5206\u5e03<\/td><td>\u4f9d\u8d56\u5916\u90e8\u670d\u52a1\uff0c\u4f46\u672c\u6a21\u5757\u4e0d\u5f3a\u5236\u4f7f\u7528<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9009\u62e9\u6d4b\u8bd5\u70b9<\/strong>\uff1a\u4ece\u672c\u5730\u548c\u5df2\u77e5\u7684\u5176\u4ed6\u5730\u57df\uff08\u5982\u4f7f\u7528\u4e91\u4e3b\u673a\uff09\u5206\u522b\u6267\u884cDNS\u67e5\u8be2\u3002<\/li>\n\n\n\n<li><strong>\u8bb0\u5f55\u89e3\u6790IP<\/strong>\uff1a\u5bf9\u6bd4\u4e0d\u540c\u5730\u57df\u8fd4\u56de\u7684IP\u662f\u5426\u76f8\u540c\uff0c\u82e5\u4e0d\u540c\u5219\u53ef\u80fd\u4e3aCDN\u667a\u80fd\u89e3\u6790\u3002<\/li>\n\n\n\n<li><strong>\u8bbf\u95ee\u5e76\u89c2\u5bdf\u7f13\u5b58\u5934<\/strong>\uff1a\u5bf9\u540c\u4e00\u8d44\u6e90\u8fde\u7eed\u8bbf\u95ee\u4e24\u6b21\uff0c\u89c2\u5bdf\u54cd\u5e94\u5934\u4e2d\u7684 <code>Age<\/code> \u5b57\u6bb5\u662f\u5426\u9012\u589e\uff0c\u6216 <code>X-Cache<\/code> \u662f\u5426\u4ece <code>MISS<\/code> \u53d8\u4e3a <code>HIT<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u5206\u6790\u54cd\u5e94\u5934\u4e2d\u7684CDN\u8282\u70b9\u6807\u8bc6<\/strong>\uff1a\u5982 <code>X-Served-By<\/code> \u53ef\u80fd\u5305\u542b\u8282\u70b9\u4ee3\u53f7\uff0c\u8bb0\u5f55\u5176\u683c\u5f0f\u3002<\/li>\n\n\n\n<li><strong>\u5c1d\u8bd5\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u8d44\u6e90<\/strong>\uff1a\u89c2\u5bdf\u8fd4\u56de\u7684404\u9875\u9762\u662f\u5426\u5305\u542bCDN\u670d\u52a1\u5546\u4fe1\u606f\uff0c\u6709\u65f6\u9519\u8bef\u9875\u9762\u4f1a\u66b4\u9732\u3002<\/li>\n\n\n\n<li><strong>SSL\u8bc1\u4e66\u5206\u6790<\/strong>\uff1a\u67e5\u770b\u8bc1\u4e66\u7684\u9881\u53d1\u8005\u548c\u4e3b\u9898\u5907\u7528\u540d\u79f0\uff0c\u82e5\u5305\u542bCDN\u670d\u52a1\u5546\u540d\u79f0\uff0c\u5219\u786e\u8ba4\u4f7f\u7528\u4e86\u8be5CDN\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u667a\u80fd\u89e3\u6790\u9a8c\u8bc1<\/strong>\uff1a\u4ece\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u7684IP\u67e5\u8be2\uff0c\u82e5\u5f97\u5230\u4e0d\u540cIP\u4e14\u8fd9\u4e9bIP\u5c5e\u4e8e\u540c\u4e00CDN\u7684IP\u6bb5\uff0c\u5219\u667a\u80fd\u89e3\u6790\u5b58\u5728\u3002<\/li>\n\n\n\n<li><strong>\u7f13\u5b58\u9a8c\u8bc1<\/strong>\uff1a\u7b2c\u4e00\u6b21\u8bf7\u6c42\u65e0 <code>Age<\/code> \u6216 <code>Age<\/code> \u4e3a0\uff0c\u7b2c\u4e8c\u6b21\u8bf7\u6c42 <code>Age<\/code> \u589e\u52a0\uff0c\u8bf4\u660e\u5185\u5bb9\u88ab\u8fb9\u7f18\u8282\u70b9\u7f13\u5b58\u3002<\/li>\n\n\n\n<li><strong>\u8282\u70b9\u6807\u8bc6\u9a8c\u8bc1<\/strong>\uff1a\u901a\u8fc7whois\u67e5\u8be2\u8282\u70b9IP\u7684\u57df\u540d\uff0c\u82e5\u53cd\u5411\u89e3\u6790\u5305\u542bCDN\u670d\u52a1\u5546\u57df\u540d\uff0c\u5219\u8fdb\u4e00\u6b65\u786e\u8ba4\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u8ba4\u4e3a\u6240\u6709CDN\u90fd\u6709\u76f8\u540c\u7684\u5934\u90e8\u7279\u5f81\u3002\u5b9e\u9645\u4e0a\u4e0d\u540cCDN\u5934\u90e8\u5404\u5f02\uff0c\u751a\u81f3\u53ef\u81ea\u5b9a\u4e49\u9690\u85cf\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u6536\u96c6\u591a\u4e2aCDN\u7684\u5178\u578b\u7279\u5f81\uff0c\u5efa\u7acb\u6307\u7eb9\u5e93\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u5c06\u591a\u5730\u57dfDNS\u89e3\u6790\u5dee\u5f02\u5f52\u56e0\u4e8eCDN\uff0c\u4f46\u53ef\u80fd\u662fDNS\u8f6e\u8be2\u6216GeoDNS\u7528\u4e8e\u666e\u901a\u8d1f\u8f7d\u5747\u8861\u3002<br><strong>\u6392\u67e5<\/strong>\uff1aGeoDNS\u901a\u5e38\u8fd4\u56de\u540c\u6570\u636e\u4e2d\u5fc3\u4e0d\u540cIP\uff0c\u800cCDN\u8fd4\u56de\u7684IP\u901a\u5e38\u5728\u5168\u7403\u8303\u56f4\u4e14\u5c5e\u4e8eCDN ASN\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u7f13\u5b58\u5934\u7f3a\u5931\u4e0d\u4ee3\u8868\u6ca1\u6709CDN\uff0c\u53ef\u80fdCDN\u4ec5\u52a0\u901f\u52a8\u6001\u5185\u5bb9\u6216\u914d\u7f6e\u4e0d\u7f13\u5b58\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u7efc\u5408\u5176\u4ed6\u7279\u5f81\uff0c\u5982TLS\u63e1\u624b\u3001\u8bc1\u4e66\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u6d89\u53ca\u5bf9\u76ee\u6807\u8fdb\u884c\u591a\u5730\u57df\u63a2\u6d4b\uff0c\u53ef\u80fd\u89e6\u53d1\u76ee\u6807\u5b89\u5168\u673a\u5236\u3002\u5fc5\u987b\u5728\u6388\u6743\u8303\u56f4\u5185\u8fdb\u884c\uff0c\u4e14\u4e0d\u5f97\u5bf9\u76ee\u6807\u9020\u6210\u8fc7\u5927\u8d1f\u8f7d\u3002\u5bf9\u4e8e\u516c\u5f00\u6d4b\u8bd5\u7ad9\u70b9\uff0c\u4e5f\u5e94\u9075\u5b88\u5176robots.txt\u53ca\u4f7f\u7528\u6761\u6b3e\u3002\u667a\u80fd\u89e3\u6790\u6d4b\u8bd5\u53ef\u80fd\u88abCDN\u89c6\u4e3a\u6b63\u5e38\u6d41\u91cf\uff0c\u4f46\u5927\u91cf\u63a2\u6d4b\u4ecd\u53ef\u80fd\u88ab\u9650\u901f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u62c6\u89e3CDN\u7684\u5173\u952e\u7ed3\u6784\uff0c\u6211\u4eec\u7406\u89e3\u4e86\u5176\u667a\u80fd\u89e3\u6790\u3001\u7f13\u5b58\u3001\u56de\u6e90\u7b49\u673a\u5236\uff0c\u5e76\u638c\u63e1\u4e86\u9a8c\u8bc1\u8fd9\u4e9b\u673a\u5236\u7684\u65b9\u6cd5\u3002\u8fd9\u4e9b\u77e5\u8bc6\u4e3a\u4e0b\u4e00\u6a21\u5757\u5efa\u7acb\u591a\u6e90\u6570\u636e\u4ea4\u53c9\u9a8c\u8bc1\u6a21\u578b\u63d0\u4f9b\u4e86\u624e\u5b9e\u7684\u7406\u8bba\u57fa\u7840\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe3-1\uff1aCDN\u7cfb\u7edf\u7ed3\u6784\u53ca\u8bf7\u6c42\u5904\u7406\u6d41\u7a0b<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/CDN\u7cfb\u7edf\u7ed3\u6784\u53ca\u8bf7\u6c42\u5904\u7406\u6d41\u7a0b-1024x310.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"310\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/CDN\u7cfb\u7edf\u7ed3\u6784\u53ca\u8bf7\u6c42\u5904\u7406\u6d41\u7a0b-1024x310.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1821\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u5efa\u7acb\u65b9\u6cd5\u6a21\u578b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u6784\u5efa\u4e00\u5957\u7cfb\u7edf\u5316\u7684\u3001\u57fa\u4e8e\u591a\u6e90\u6570\u636e\u4ea4\u53c9\u9a8c\u8bc1\u7684CDN\u8bc6\u522b\u6a21\u578b\u3002\u5355\u4e00\u7ef4\u5ea6\u7684\u5224\u65ad\u5bb9\u6613\u51fa\u9519\uff0c\u901a\u8fc7\u6574\u5408DNS\u3001HTTP\u3001\u7f51\u7edc\u5c42\u3001\u8bc1\u4e66\u7b49\u591a\u7ef4\u5ea6\u4fe1\u606f\uff0c\u5e76\u91c7\u7528\u903b\u8f91\u7ec4\u5408\u7684\u65b9\u5f0f\uff0c\u53ef\u663e\u8457\u63d0\u9ad8\u8bc6\u522b\u51c6\u786e\u7387\u3002\u8be5\u6a21\u578b\u5c06\u6307\u5bfc\u540e\u7eed\u7684\u64cd\u4f5c\u8def\u5f84\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bc6\u522b\u6a21\u578b\u57fa\u4e8e\u4ee5\u4e0b\u539f\u5219\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bc1\u636e\u6743\u91cd<\/strong>\uff1a\u4e0d\u540c\u6765\u6e90\u7684\u8bc1\u636e\u8d4b\u4e88\u4e0d\u540c\u6743\u91cd\uff0c\u5982HTTP\u54cd\u5e94\u5934\u4e2d\u7684\u660e\u786eCDN\u5b57\u6bb5\u6743\u91cd\u6700\u9ad8\uff0cIP\u5f52\u5c5e\u6b21\u4e4b\uff0c\u7f13\u5b58\u884c\u4e3a\u518d\u6b21\u4e4b\u3002<\/li>\n\n\n\n<li><strong>\u903b\u8f91\u7ec4\u5408<\/strong>\uff1a\u5f53\u591a\u4e2a\u72ec\u7acb\u8bc1\u636e\u540c\u65f6\u6307\u5411\u540c\u4e00\u7ed3\u8bba\u65f6\uff0c\u53ef\u4fe1\u5ea6\u5927\u5927\u589e\u52a0\u3002<\/li>\n\n\n\n<li><strong>\u5f02\u5e38\u6392\u9664<\/strong>\uff1a\u8003\u8651\u8bef\u62a5\u56e0\u7d20\uff0c\u5982\u4e91\u4e3b\u673aIP\u53ef\u80fd\u88ab\u8bef\u5224\u4e3aCDN\uff0c\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u7279\u5f81\u6392\u9664\u3002<br>\u6a21\u578b\u91c7\u7528\u201c\u7279\u5f81\u5339\u914d+\u5f02\u5e38\u5206\u6790\u201d\u7684\u6846\u67b6\uff0c\u6700\u7ec8\u8f93\u51fa\u201c\u6709CDN\/\u65e0CDN\/\u4e0d\u786e\u5b9a\u201d\u4e09\u7c7b\u7ed3\u8bba\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5c06\u524d\u51e0\u4e2a\u6a21\u5757\u7684\u77e5\u8bc6\u70b9\u6574\u5408\u4e3a\u4e00\u4e2a\u65b9\u6cd5\u8bba\uff0c\u662f\u7406\u8bba\u5230\u5b9e\u8df5\u7684\u6865\u6881\u3002\u540e\u7eed\u6a21\u5757\u5c06\u57fa\u4e8e\u6b64\u6a21\u578b\u8bbe\u8ba1\u5177\u4f53\u7684\u64cd\u4f5c\u6b65\u9aa4\u548c\u9a8c\u8bc1\u65b9\u6cd5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u62df\u5bf9\u6388\u6743\u76ee\u6807\uff08\u5982 <code>juice-shop.herokuapp.com<\/code>\uff09\u6267\u884c\u591a\u7ef4\u5ea6\u6570\u636e\u6536\u96c6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># DNS\u7ef4\u5ea6\ndig juice-shop.herokuapp.com A +short &gt; dns_ips.txt\nfor ip in $(cat dns_ips.txt); do whois $ip | grep -i \"orgname\\|descr\"; done\n\n# HTTP\u7ef4\u5ea6\ncurl -I https:\/\/juice-shop.herokuapp.com &gt; headers.txt\ncurl -I https:\/\/juice-shop.herokuapp.com\/robots.txt\n\n# \u7f51\u7edc\u7ef4\u5ea6\ntraceroute juice-shop.herokuapp.com\n\n# TLS\u8bc1\u4e66\u7ef4\u5ea6\nopenssl s_client -connect juice-shop.herokuapp.com:443 2&gt;\/dev\/null | openssl x509 -text | grep -A2 \"Issuer:\\|Subject:\"<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u5177<\/th><th>\u9002\u7528\u573a\u666f<\/th><th>\u4f18\u70b9<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td><code>dig<\/code> + <code>whois<\/code><\/td><td>DNS+IP\u5f52\u5c5e<\/td><td>\u83b7\u53d6\u539f\u59cbIP\u53ca\u5f52\u5c5e\u4fe1\u606f<\/td><td>whois\u53ef\u80fd\u8fd4\u56de\u4fe1\u606f\u4e0d\u5168<\/td><\/tr><tr><td><code>curl<\/code><\/td><td>HTTP\u7279\u5f81<\/td><td>\u53ef\u83b7\u53d6\u591a\u79cd\u54cd\u5e94\u5934\uff0c\u7075\u6d3b<\/td><td>\u5355\u70b9\u8bf7\u6c42\uff0c\u53ef\u80fd\u88abWAF\u62e6\u622a<\/td><\/tr><tr><td><code>traceroute<\/code><\/td><td>\u7f51\u7edc\u8def\u5f84<\/td><td>\u53ef\u89c2\u5bdf\u8def\u7531\u8282\u70b9<\/td><td>\u8def\u5f84\u53ef\u80fd\u4e0d\u5b8c\u6574<\/td><\/tr><tr><td><code>openssl<\/code><\/td><td>TLS\u8bc1\u4e66<\/td><td>\u83b7\u53d6\u8bc1\u4e66\u8be6\u7ec6\u4fe1\u606f<\/td><td>\u4ec5\u9002\u7528\u4e8eHTTPS\u7ad9\u70b9<\/td><\/tr><tr><td>\u7ec4\u5408\u811a\u672c<\/td><td>\u81ea\u52a8\u5316\u6536\u96c6<\/td><td>\u6548\u7387\u9ad8\uff0c\u51cf\u5c11\u624b\u5de5\u8bef\u5dee<\/td><td>\u9700\u7f16\u5199\u811a\u672c\uff0c\u53ef\u80fd\u88ab\u8bc6\u522b\u4e3a\u626b\u63cf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6570\u636e\u6536\u96c6\u9636\u6bb5<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DNS\uff1a\u6536\u96c6\u6240\u6709A\u8bb0\u5f55IP\uff0c\u5e76\u67e5\u8be2ASN\u53ca\u7ec4\u7ec7\u3002<\/li>\n\n\n\n<li>HTTP\uff1a\u6536\u96c6\u9996\u9875\u53ca\u5e38\u89c1\u9759\u6001\u8d44\u6e90\u54cd\u5e94\u5934\uff0c\u8bb0\u5f55\u6240\u6709\u53ef\u7591\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u7f51\u7edc\uff1a\u4ece\u591a\u4e2a\u4f4d\u7f6e\u6267\u884ctraceroute\uff08\u82e5\u6709\u591a\u70b9\uff09\u3002<\/li>\n\n\n\n<li>TLS\uff1a\u83b7\u53d6\u8bc1\u4e66\u7684\u9881\u53d1\u8005\u3001\u4e3b\u9898\u3001SAN\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7279\u5f81\u5339\u914d\u9636\u6bb5<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06\u6536\u96c6\u5230\u7684\u7279\u5f81\u4e0e\u5df2\u77e5CDN\u6307\u7eb9\u5e93\u6bd4\u5bf9\uff08\u53ef\u4e8b\u5148\u6574\u7406\u5e38\u89c1CDN\u7684IP\u6bb5\u3001HTTP\u5934\u3001\u8bc1\u4e66\u9881\u53d1\u8005\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4ea4\u53c9\u9a8c\u8bc1\u9636\u6bb5<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u68c0\u67e5DNS IP\u5f52\u5c5e\u662f\u5426\u4e0eHTTP\u5934\u4e2d\u7684CDN\u6807\u8bc6\u4e00\u81f4\u3002<\/li>\n\n\n\n<li>\u68c0\u67e5\u8bc1\u4e66\u9881\u53d1\u8005\u662f\u5426\u4e0eIP\u5f52\u5c5e\u5339\u914d\u3002<\/li>\n\n\n\n<li>\u68c0\u67e5\u662f\u5426\u6709\u591a\u4e2a\u72ec\u7acb\u7279\u5f81\u6307\u5411\u540c\u4e00CDN\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7ed3\u8bba\u5224\u5b9a<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u82e5\u81f3\u5c11\u4e24\u4e2a\u7ef4\u5ea6\u5f3a\u70c8\u6307\u5411\u540c\u4e00CDN\uff0c\u5219\u5224\u5b9a\u4e3a\u201c\u6709CDN\u201d\u3002<\/li>\n\n\n\n<li>\u82e5\u6ca1\u6709\u4efb\u4f55CDN\u7279\u5f81\uff0c\u6216\u7279\u5f81\u77db\u76fe\uff0c\u5219\u5224\u5b9a\u4e3a\u201c\u65e0CDN\u201d\u6216\u201c\u4e0d\u786e\u5b9a\u201d\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e00\u81f4\u6027\u9a8c\u8bc1<\/strong>\uff1a\u4f8b\u5982\uff0c\u82e5DNS\u89e3\u6790IP\u5c5e\u4e8eCloudflare\u6bb5\uff0c\u4e14\u54cd\u5e94\u5934\u6709CF-Ray\uff0c\u4e14\u8bc1\u4e66\u7531Cloudflare\u7b7e\u53d1\uff0c\u5219\u7ed3\u8bba\u660e\u786e\u3002<\/li>\n\n\n\n<li><strong>\u77db\u76fe\u5206\u6790<\/strong>\uff1a\u82e5IP\u5f52\u5c5eAkamai\uff0c\u4f46\u54cd\u5e94\u5934\u65e0\u4efb\u4f55Akamai\u5b57\u6bb5\uff0c\u5219\u53ef\u80fd\u662f\u8bef\u5224\uff0c\u9700\u8fdb\u4e00\u6b65\u68c0\u67e5\u662f\u5426IP\u88ab\u590d\u7528\u6216CDN\u914d\u7f6e\u9690\u85cf\u5934\u90e8\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u786e\u5b9a\u6027\u5904\u7406<\/strong>\uff1a\u5f53\u7279\u5f81\u4e0d\u8db3\u65f6\uff0c\u8bb0\u5f55\u4e3a\u201c\u4e0d\u786e\u5b9a\u201d\uff0c\u5e76\u5efa\u8bae\u4f7f\u7528\u5176\u4ed6\u66f4\u9ad8\u7ea7\u6280\u672f\uff08\u5982\u5386\u53f2DNS\u8bb0\u5f55\uff09\u8f85\u52a9\u5224\u65ad\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u6307\u7eb9\u5e93\u8fc7\u65f6\uff0c\u65b0CDN\u670d\u52a1\u5546\u672a\u6536\u5f55\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u5b9a\u671f\u66f4\u65b0\u6307\u7eb9\u5e93\uff0c\u6216\u901a\u8fc7\u641c\u7d22\u5f15\u64ce\u67e5\u627e\u8be5IP\u6bb5\u662f\u5426\u88ab\u62a5\u544a\u4e3aCDN\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1aCDN IP\u6bb5\u4e0e\u4e91\u4e3b\u673aIP\u6bb5\u91cd\u53e0\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u7ed3\u5408HTTP\u5934\uff0c\u4e91\u4e3b\u673a\u901a\u5e38\u4e0d\u4f1a\u4e3b\u52a8\u6dfb\u52a0CDN\u7279\u6709\u5934\u90e8\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u76ee\u6807\u4f7f\u7528\u4e86\u591a\u5c42\u4ee3\u7406\uff0c\u4f8b\u5982CDN\u524d\u9762\u8fd8\u6709WAF\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u4ed4\u7ec6\u5206\u6790 <code>Via<\/code> \u5934\uff0c\u53ef\u80fd\u6709\u591a\u4e2a\u4ee3\u7406\u5c42\uff0c\u9700\u8981\u9010\u5c42\u5265\u79bb\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u578b\u4ec5\u7528\u4e8e\u6388\u6743\u6d4b\u8bd5\u73af\u5883\u3002\u591a\u7ef4\u5ea6\u63a2\u6d4b\u53ef\u80fd\u589e\u52a0\u76ee\u6807\u8d1f\u8f7d\uff0c\u5e94\u63a7\u5236\u9891\u7387\u3002\u5207\u52ff\u5c06\u6536\u96c6\u5230\u7684\u4fe1\u606f\u7528\u4e8e\u4efb\u4f55\u975e\u6cd5\u76ee\u7684\u3002\u5bf9\u4e8e\u516c\u5f00\u6d4b\u8bd5\u7ad9\u70b9\uff0c\u5e94\u9075\u5b88\u5176\u670d\u52a1\u6761\u6b3e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5efa\u7acb\u4e86\u4e00\u5957\u57fa\u4e8e\u591a\u6e90\u6570\u636e\u4ea4\u53c9\u9a8c\u8bc1\u7684CDN\u8bc6\u522b\u6a21\u578b\uff0c\u660e\u786e\u4e86\u5404\u7ef4\u5ea6\u7684\u8bc1\u636e\u6743\u91cd\u548c\u5224\u5b9a\u903b\u8f91\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6839\u636e\u8be5\u6a21\u578b\u8bbe\u8ba1\u5177\u4f53\u7684\u64cd\u4f5c\u8def\u5f84\uff0c\u5b9e\u73b0\u4ece\u63a2\u6d4b\u5230\u5206\u6790\u5224\u65ad\u7684\u5b8c\u6574\u6d41\u7a0b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe4-1\uff1a\u591a\u6e90\u6570\u636e\u4ea4\u53c9\u9a8c\u8bc1\u6a21\u578b<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u591a\u6e90\u6570\u636e\u4ea4\u53c9\u9a8c\u8bc1\u6a21\u578b-872x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"872\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u591a\u6e90\u6570\u636e\u4ea4\u53c9\u9a8c\u8bc1\u6a21\u578b-872x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1822\"  sizes=\"auto, (max-width: 872px) 100vw, 872px\" \/><\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f62\u6210\u64cd\u4f5c\u8def\u5f84<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5c06\u524d\u5e8f\u7684\u65b9\u6cd5\u6a21\u578b\u8f6c\u5316\u4e3a\u4e00\u5957\u53ef\u6267\u884c\u3001\u53ef\u590d\u73b0\u7684\u64cd\u4f5c\u6d41\u7a0b\u3002\u8be5\u8def\u5f84\u8986\u76d6\u4ece\u76ee\u6807\u9009\u5b9a\u3001\u6570\u636e\u91c7\u96c6\u3001\u7279\u5f81\u5206\u6790\u5230\u6700\u7ec8\u7ed3\u8bba\u7684\u5b8c\u6574\u6b65\u9aa4\uff0c\u786e\u4fdd\u521d\u5b66\u8005\u4e5f\u80fd\u6309\u90e8\u5c31\u73ed\u5730\u5b8c\u6210CDN\u8bc6\u522b\u4efb\u52a1\u3002\u64cd\u4f5c\u8def\u5f84\u5f3a\u8c03\u903b\u8f91\u8fde\u8d2f\u6027\u548c\u7ed3\u679c\u53ef\u9a8c\u8bc1\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u64cd\u4f5c\u8def\u5f84\u9075\u5faa\u201c\u8f93\u5165-\u5904\u7406-\u8f93\u51fa\u201d\u7684\u5de5\u7a0b\u5316\u601d\u60f3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8f93\u5165<\/strong>\uff1a\u76ee\u6807\u57df\u540d\u3002<\/li>\n\n\n\n<li><strong>\u5904\u7406<\/strong>\uff1a\u5206\u6b65\u9aa4\u6267\u884cDNS\u3001HTTP\u3001\u7f51\u7edc\u3001TLS\u7b49\u63a2\u6d4b\uff0c\u5e76\u4ea4\u53c9\u9a8c\u8bc1\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u51fa<\/strong>\uff1a\u662f\u5426\u4f7f\u7528CDN\u7684\u7ed3\u8bba\u53ca\u652f\u6301\u8bc1\u636e\u3002<br>\u6bcf\u4e00\u6b65\u9aa4\u90fd\u8bbe\u8ba1\u4e3a\u53ef\u72ec\u7acb\u9a8c\u8bc1\uff0c\u5e76\u5305\u542b\u5f02\u5e38\u5904\u7406\u673a\u5236\u3002\u8be5\u8def\u5f84\u4e0d\u4ec5\u8bc6\u522b\u6709\u65e0CDN\uff0c\u8fd8\u80fd\u5728\u53ef\u80fd\u65f6\u8bc6\u522b\u51fa\u5177\u4f53\u7684CDN\u670d\u52a1\u5546\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u662f\u8bc6\u522b\u6d41\u7a0b\u7684\u6838\u5fc3\u6267\u884c\u73af\u8282\uff0c\u5c06\u7406\u8bba\u6a21\u578b\u843d\u5730\u4e3a\u5b9e\u9645\u64cd\u4f5c\u3002\u540e\u7eed\u7684\u98ce\u9669\u63a7\u5236\u6a21\u5757\u5c06\u9488\u5bf9\u6b64\u8def\u5f84\u4e2d\u7684\u5e38\u89c1\u8bef\u5224\u56e0\u7d20\u8fdb\u884c\u8865\u5145\u8bf4\u660e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f\u4e00\u5957\u5b8c\u6574\u7684\u811a\u672c\u5316\u64cd\u4f5c\u793a\u4f8b\uff0c\u9488\u5bf9\u6388\u6743\u76ee\u6807 <code>testphp.vulnweb.com<\/code>\uff08\u8be5\u7ad9\u70b9\u53ef\u80fd\u65e0CDN\uff0c\u4f46\u53ef\u4f5c\u4e3a\u65e0CDN\u57fa\u7ebf\u5bf9\u6bd4\uff09\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\nTARGET=\"testphp.vulnweb.com\"\necho \"=== \u6b65\u9aa41: DNS\u67e5\u8be2 ===\"\ndig $TARGET A +short\necho \"=== \u6b65\u9aa42: IP\u5f52\u5c5e\u67e5\u8be2 ===\"\nfor ip in $(dig $TARGET A +short); do\n    whois $ip | grep -E \"OrgName|netname|descr\"\ndone\necho \"=== \u6b65\u9aa43: HTTP\u54cd\u5e94\u5934 ===\"\ncurl -I http:\/\/$TARGET\necho \"=== \u6b65\u9aa44: TLS\u8bc1\u4e66 ===\"\nopenssl s_client -connect $TARGET:443 2&gt;\/dev\/null | openssl x509 -text | grep -E \"Issuer:|Subject:\"\necho \"=== \u6b65\u9aa45: \u8def\u7531\u8ffd\u8e2a ===\"\ntraceroute $TARGET<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a\u8be5\u811a\u672c\u4ec5\u4e3a\u793a\u4f8b\uff0c\u5b9e\u9645\u9700\u6839\u636e\u60c5\u51b5\u8c03\u6574\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u5177\/\u6b65\u9aa4<\/th><th>\u4f5c\u7528<\/th><th>\u9884\u671f\u8f93\u51fa<\/th><th>\u540e\u7eed\u5904\u7406<\/th><\/tr><\/thead><tbody><tr><td><code>dig<\/code><\/td><td>\u83b7\u53d6\u89e3\u6790IP<\/td><td>IP\u5217\u8868<\/td><td>\u8f93\u5165whois<\/td><\/tr><tr><td><code>whois<\/code><\/td><td>\u67e5\u8be2IP\u5f52\u5c5e<\/td><td>\u7ec4\u7ec7\u540d\u79f0\u3001ASN<\/td><td>\u4e0eCDN\u670d\u52a1\u5546\u5217\u8868\u6bd4\u5bf9<\/td><\/tr><tr><td><code>curl<\/code><\/td><td>\u83b7\u53d6\u54cd\u5e94\u5934<\/td><td>HTTP\u5934<\/td><td>\u68c0\u67e5CDN\u7279\u6709\u5b57\u6bb5<\/td><\/tr><tr><td><code>openssl<\/code><\/td><td>\u83b7\u53d6\u8bc1\u4e66<\/td><td>\u8bc1\u4e66\u4fe1\u606f<\/td><td>\u68c0\u67e5\u9881\u53d1\u8005<\/td><\/tr><tr><td><code>traceroute<\/code><\/td><td>\u7f51\u7edc\u8def\u5f84<\/td><td>\u8def\u7531\u8282\u70b9\u57df\u540d\/IP<\/td><td>\u89c2\u5bdf\u662f\u5426\u6709CDN\u8282\u70b9\u57df\u540d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u76ee\u6807\u786e\u8ba4<\/strong>\uff1a\u786e\u5b9a\u8981\u5206\u6790\u7684\u57df\u540d\uff0c\u5e76\u786e\u4fdd\u6709\u5408\u6cd5\u6388\u6743\u3002<\/li>\n\n\n\n<li><strong>DNS\u89e3\u6790<\/strong>\uff1a\u6267\u884c <code>dig<\/code> \u83b7\u53d6\u6240\u6709A\u8bb0\u5f55\uff0c\u4fdd\u5b58IP\u5217\u8868\u3002<\/li>\n\n\n\n<li><strong>IP\u5f52\u5c5e\u67e5\u8be2<\/strong>\uff1a\u5bf9\u6bcf\u4e2aIP\u6267\u884c <code>whois<\/code>\uff0c\u8bb0\u5f55\u7ec4\u7ec7\u540d\u79f0\u548cAS\u53f7\u3002<\/li>\n\n\n\n<li><strong>HTTP\u63a2\u6d4b<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e3b\u9875\u6267\u884c <code>curl -I<\/code>\uff0c\u8bb0\u5f55\u6240\u6709\u54cd\u5e94\u5934\u3002<\/li>\n\n\n\n<li>\u5bf9\u9759\u6001\u8d44\u6e90\uff08\u5982 <code>\/favicon.ico<\/code>\uff09\u6267\u884c\u540c\u6837\u64cd\u4f5c\uff0c\u6bd4\u8f83\u5dee\u5f02\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>TLS\u8bc1\u4e66\u5206\u6790<\/strong>\uff1a\u83b7\u53d6\u8bc1\u4e66\uff0c\u63d0\u53d6\u9881\u53d1\u8005\uff08Issuer\uff09\u548c\u4e3b\u9898\u5907\u7528\u540d\u79f0\uff08SAN\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u8def\u5f84\u8ffd\u8e2a<\/strong>\uff1a\u6267\u884c <code>traceroute<\/code>\uff0c\u8bb0\u5f55\u5404\u8df3IP\u53ca\u53cd\u5411\u89e3\u6790\u57df\u540d\uff08\u5982\u6709\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7279\u5f81\u5339\u914d<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06IP\u5f52\u5c5e\u4e0e\u5df2\u77e5CDN\u670d\u52a1\u5546\u5217\u8868\u6bd4\u5bf9\uff08\u5982Cloudflare\u3001Akamai\u3001Fastly\u7b49\uff09\u3002<\/li>\n\n\n\n<li>\u68c0\u67e5\u54cd\u5e94\u5934\u4e2d\u662f\u5426\u5305\u542b <code>cf-ray<\/code>\u3001<code>x-cache<\/code>\u3001<code>via<\/code> \u7b49\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u68c0\u67e5\u8bc1\u4e66\u9881\u53d1\u8005\u662f\u5426\u5305\u542bCDN\u670d\u52a1\u5546\u540d\u79f0\u3002<\/li>\n\n\n\n<li>\u68c0\u67e5traceroute\u6700\u540e\u51e0\u8df3\u662f\u5426\u6709CDN\u76f8\u5173\u57df\u540d\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4ea4\u53c9\u9a8c\u8bc1<\/strong>\uff1a\u6c47\u603b\u6240\u6709\u7279\u5f81\uff0c\u6839\u636e\u6a21\u578b\u5224\u5b9a\u7ed3\u8bba\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u51fa\u62a5\u544a<\/strong>\uff1a\u6574\u7406\u8bc1\u636e\u94fe\uff0c\u8f93\u51fa\u201c\u6709CDN\/\u65e0CDN\/\u4e0d\u786e\u5b9a\u201d\u53ca\u652f\u6301\u7406\u7531\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6b65\u9aa4\u53ef\u590d\u73b0<\/strong>\uff1a\u91cd\u65b0\u6267\u884c\u6574\u4e2a\u6d41\u7a0b\uff0c\u5e94\u5f97\u5230\u76f8\u540c\u6216\u76f8\u4f3c\u7684\u7ed3\u8bba\u3002<\/li>\n\n\n\n<li><strong>\u8bc1\u636e\u94fe\u5b8c\u6574<\/strong>\uff1a\u6bcf\u4e2a\u7ed3\u8bba\u90fd\u6709\u81f3\u5c11\u4e24\u4e2a\u72ec\u7acb\u7ef4\u5ea6\u8bc1\u636e\u652f\u6301\u3002<\/li>\n\n\n\n<li><strong>\u6392\u9664\u5e72\u6270<\/strong>\uff1a\u5bf9\u4e8e\u4e0d\u786e\u5b9a\u60c5\u51b5\uff0c\u8bb0\u5f55\u539f\u56e0\u5e76\u5efa\u8bae\u8fdb\u4e00\u6b65\u6d4b\u8bd5\uff08\u5982\u5386\u53f2DNS\u8bb0\u5f55\u3001\u5168\u7f51\u626b\u63cf\u7b49\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef<\/strong>\uff1awhois\u67e5\u8be2\u8d85\u65f6\u6216\u8fd4\u56de\u4fe1\u606f\u4e0d\u5168\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u4f7f\u7528 <code>geoiplookup<\/code> \u6216\u5728\u7ebfASN\u67e5\u8be2\u5de5\u5177\u4f5c\u4e3a\u66ff\u4ee3\uff0c\u4f46\u6ce8\u610f\u5408\u89c4\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1acurl\u8bf7\u6c42\u88abWAF\u62e6\u622a\uff0c\u8fd4\u56de\u975e\u6b63\u5e38\u9875\u9762\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u589e\u52a0 <code>-A<\/code> \u8bbe\u7f6e\u5e38\u89c1User-Agent\uff0c\u6216\u6a21\u62df\u6d4f\u89c8\u5668\u8bf7\u6c42\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1atraceroute\u88ab\u9632\u706b\u5899\u963b\u65ad\uff0c\u65e0\u6cd5\u83b7\u53d6\u5b8c\u6574\u8def\u5f84\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u5c1d\u8bd5\u4f7f\u7528 <code>tcptraceroute<\/code> \u6216 <code>mtr<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u64cd\u4f5c\u8def\u5f84\u4e2d\u7684\u6240\u6709\u547d\u4ee4\u90fd\u5e94\u5728\u6388\u6743\u76ee\u6807\u4e0a\u6267\u884c\u3002\u5bf9\u4e8e\u516c\u5171\u6d4b\u8bd5\u7ad9\u70b9\uff0c\u6ce8\u610f\u4e0d\u8981\u53d1\u9001\u5927\u91cf\u8bf7\u6c42\uff0c\u4ee5\u514d\u88ab\u89c6\u4e3a\u653b\u51fb\u3002\u82e5\u4f7f\u7528\u5728\u7ebfwhois\u5de5\u5177\uff0c\u786e\u4fdd\u5176\u670d\u52a1\u6761\u6b3e\u5141\u8bb8\u3002\u672c\u8def\u5f84\u4e0d\u5f97\u7528\u4e8e\u4efb\u4f55\u975e\u6cd5\u76ee\u7684\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5c06\u8bc6\u522b\u6d41\u7a0b\u8f6c\u5316\u4e3a\u53ef\u64cd\u4f5c\u7684\u8def\u5f84\uff0c\u5e76\u63d0\u4f9b\u4e86\u811a\u672c\u5316\u793a\u4f8b\u3002\u901a\u8fc7\u9075\u5faa\u8be5\u8def\u5f84\uff0c\u5b89\u5168\u6d4b\u8bd5\u8005\u80fd\u591f\u7cfb\u7edf\u5316\u5730\u5224\u65ad\u76ee\u6807\u662f\u5426\u4f7f\u7528CDN\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u5728\u8bc6\u522b\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u8bef\u5224\u56e0\u7d20\u53ca\u5176\u63a7\u5236\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe5-1\uff1aCDN\u8bc6\u522b\u64cd\u4f5c\u8def\u5f84\u6d41\u7a0b\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/CDN\u8bc6\u522b\u64cd\u4f5c\u8def\u5f84\u6d41\u7a0b\u56fe-203x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"203\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/CDN\u8bc6\u522b\u64cd\u4f5c\u8def\u5f84\u6d41\u7a0b\u56fe-203x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1823\"  sizes=\"auto, (max-width: 203px) 100vw, 203px\" \/><\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u63a7\u5236\u98ce\u9669\u8fb9\u754c<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u8bc6\u522b\u548c\u89c4\u907f\u5728CDN\u8bc6\u522b\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u8bef\u5224\u3001\u6f0f\u5224\u53ca\u5408\u89c4\u98ce\u9669\u3002\u7531\u4e8e\u7f51\u7edc\u73af\u5883\u7684\u590d\u6742\u6027\u548cCDN\u6280\u672f\u7684\u591a\u6837\u6027\uff0c\u7b80\u5355\u7684\u65b9\u6cd5\u53ef\u80fd\u4ea7\u751f\u9519\u8bef\u7ed3\u8bba\u3002\u6211\u4eec\u9700\u8981\u660e\u786e\u5404\u79cd\u65b9\u6cd5\u7684\u9002\u7528\u6761\u4ef6\u3001\u5c40\u9650\u6027\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u98ce\u9669\u63a7\u5236\u63aa\u65bd\u63d0\u9ad8\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bef\u5224\u4e3b\u8981\u6765\u6e90\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IP\u5f52\u5c5e\u6df7\u6dc6<\/strong>\uff1a\u4e91\u670d\u52a1\u5546\u3001\u53cd\u5411\u4ee3\u7406\u3001\u9632\u706b\u5899\u7b49\u4e5f\u53ef\u80fd\u62e5\u6709\u7c7b\u4f3cCDN\u7684IP\u6bb5\u3002<\/li>\n\n\n\n<li><strong>\u7279\u5f81\u7f3a\u5931<\/strong>\uff1a\u67d0\u4e9bCDN\u5141\u8bb8\u9690\u85cf\u670d\u52a1\u5546\u6807\u8bc6\uff0c\u6216\u4ec5\u5728\u7279\u5b9a\u8d44\u6e90\u4e0a\u6dfb\u52a0\u5934\u90e8\u3002<\/li>\n\n\n\n<li><strong>\u52a8\u6001\u5185\u5bb9<\/strong>\uff1a\u82e5CDN\u4ec5\u7f13\u5b58\u9759\u6001\u8d44\u6e90\uff0c\u52a8\u6001\u8bf7\u6c42\u53ef\u80fd\u76f4\u63a5\u56de\u6e90\uff0c\u5bfc\u81f4HTTP\u5934\u65e0CDN\u7279\u5f81\u3002<\/li>\n\n\n\n<li><strong>\u591a\u5c42\u4ee3\u7406<\/strong>\uff1a\u76ee\u6807\u53ef\u80fd\u540c\u65f6\u4f7f\u7528CDN\u3001WAF\u3001\u8d1f\u8f7d\u5747\u8861\u7b49\uff0c\u4f7f\u5f97\u7279\u5f81\u590d\u6742\u5316\u3002<br>\u98ce\u9669\u63a7\u5236\u9700\u8981\u7ed3\u5408\u591a\u89d2\u5ea6\u9a8c\u8bc1\u3001\u65f6\u95f4\u7ef4\u5ea6\uff08\u5386\u53f2\u8bb0\u5f55\uff09\u548c\u5916\u90e8\u77e5\u8bc6\u5e93\u6765\u964d\u4f4e\u4e0d\u786e\u5b9a\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u662f\u5bf9\u524d\u5e8f\u64cd\u4f5c\u8def\u5f84\u7684\u8865\u5145\u548c\u5b8c\u5584\uff0c\u5e2e\u52a9\u6d4b\u8bd5\u8005\u5728\u5f97\u51fa\u7ed3\u8bba\u524d\u8fdb\u884c\u4e8c\u6b21\u786e\u8ba4\uff0c\u907f\u514d\u8bef\u62a5\u5f71\u54cd\u540e\u7eed\u6d4b\u8bd5\u3002\u5b83\u4e5f\u662f\u6574\u4e2a\u6d41\u7a0b\u7684\u8d28\u91cf\u4fdd\u969c\u73af\u8282\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u9488\u5bf9\u7279\u5b9a\u98ce\u9669\u573a\u666f\uff0c\u91c7\u7528\u9488\u5bf9\u6027\u9a8c\u8bc1\u547d\u4ee4\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u9a8c\u8bc1IP\u662f\u5426\u5c5e\u4e8e\u4e91\u670d\u52a1\u5546\u800c\u975eCDN\uff1a\u4f7f\u7528\u53cd\u5411DNS\ndig -x &lt;IP&gt; +short\n\n# \u9a8c\u8bc1\u662f\u5426\u5b58\u5728\u9690\u85cfCDN\u7279\u5f81\uff1a\u5c1d\u8bd5\u8bbf\u95ee\u975e\u6807\u51c6\u7aef\u53e3\u6216\u534f\u8bae\uff08\u598280 vs 443\uff09\ncurl -I http:\/\/testphp.vulnweb.com:8080  # \u4ec5\u793a\u4f8b\n\n# \u9a8c\u8bc1\u662f\u5426\u6709\u591a\u5c42\u4ee3\u7406\uff1a\u4ed4\u7ec6\u67e5\u770bVia\u5934\ncurl -I https:\/\/juice-shop.herokuapp.com | grep -i via\n\n# \u4f7f\u7528\u5386\u53f2DNS\u8bb0\u5f55\uff08\u9700\u501f\u52a9\u5916\u90e8\u670d\u52a1\uff0c\u4f46\u672c\u6a21\u5757\u4e0d\u5f3a\u5236\uff0c\u4ec5\u7406\u8bba\uff09\n# \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u672c\u5730\u5386\u53f2DNS\u8bb0\u5f55\u6570\u636e\u5e93\uff0c\u53ef\u67e5\u8be2\u8fc7\u53bb\u89e3\u6790IP\u3002<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u5177\/\u65b9\u6cd5<\/th><th>\u63a7\u5236\u7684\u98ce\u9669\u7c7b\u578b<\/th><th>\u4f5c\u7528<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td>\u53cd\u5411DNS<\/td><td>IP\u5f52\u5c5e\u8bef\u5224<\/td><td>\u901a\u8fc7PTR\u8bb0\u5f55\u786e\u8ba4IP\u57df\u540d<\/td><td>\u5e76\u975e\u6240\u6709IP\u90fd\u6709PTR<\/td><\/tr><tr><td>\u591a\u7aef\u53e3\u63a2\u6d4b<\/td><td>\u7279\u5f81\u7f3a\u5931<\/td><td>\u53ef\u80fd\u5728\u5176\u4ed6\u7aef\u53e3\u53d1\u73b0CDN\u5934\u90e8<\/td><td>\u7aef\u53e3\u53ef\u80fd\u5173\u95ed<\/td><\/tr><tr><td>\u9759\u6001\u8d44\u6e90\u63a2\u6d4b<\/td><td>\u7279\u5f81\u7f3a\u5931<\/td><td>\u9759\u6001\u8d44\u6e90\u901a\u5e38\u7f13\u5b58\uff0c\u5934\u90e8\u66f4\u6613\u51fa\u73b0CDN\u7279\u5f81<\/td><td>\u9700\u77e5\u9053\u9759\u6001\u8d44\u6e90\u8def\u5f84<\/td><\/tr><tr><td>\u5386\u53f2\u8bb0\u5f55\u67e5\u8be2<\/td><td>IP\u53d8\u5316\u8bef\u5224<\/td><td>\u67e5\u770b\u8fc7\u53bb\u662f\u5426\u4f7f\u7528\u8fc7CDN<\/td><td>\u4f9d\u8d56\u5916\u90e8\u6570\u636e\u5e93<\/td><\/tr><tr><td>\u5168\u7aef\u53e3\u626b\u63cf\uff08\u8c28\u614e\uff09<\/td><td>\u670d\u52a1\u8bc6\u522b<\/td><td>\u53d1\u73b0\u5176\u4ed6\u5f00\u653e\u670d\u52a1\uff0c\u5e2e\u52a9\u5224\u65ad<\/td><td>\u98ce\u9669\u9ad8\uff0c\u6613\u89e6\u53d1\u544a\u8b66<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8bc6\u522b\u6f5c\u5728\u8bef\u5224\u6e90<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u82e5IP\u5f52\u5c5e\u4e3a\u77e5\u540d\u4e91\u5546\uff08AWS\u3001\u963f\u91cc\u4e91\u7b49\uff09\uff0c\u4f46\u65e0\u5176\u4ed6CDN\u7279\u5f81\uff0c\u5219\u53ef\u80fd\u4e3a\u4e91\u4e3b\u673a\u800c\u975eCDN\u3002<\/li>\n\n\n\n<li>\u82e5\u54cd\u5e94\u5934\u6709 <code>Via<\/code> \u4f46\u5185\u5bb9\u6a21\u7cca\uff0c\u53ef\u80fd\u662f\u4ee3\u7406\u800c\u975eCDN\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9488\u5bf9\u6027\u9a8c\u8bc1<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9IP\u8fdb\u884c\u53cd\u5411DNS\uff0c\u67e5\u770b\u662f\u5426\u89e3\u6790\u4e3a\u7c7b\u4f3c <code>cache.google.com<\/code> \u7684\u57df\u540d\u3002<\/li>\n\n\n\n<li>\u5c1d\u8bd5\u8bbf\u95ee\u9759\u6001\u8d44\u6e90\uff08\u5982 <code>\/images\/logo.png<\/code>\uff09\u5e76\u89c2\u5bdf\u54cd\u5e94\u5934\u3002<\/li>\n\n\n\n<li>\u82e5\u6000\u7591\u591a\u5c42\u4ee3\u7406\uff0c\u8bbf\u95ee\u975e\u6807\u51c6\u7aef\u53e3\uff08\u59828080\uff09\u770b\u662f\u5426\u8df3\u8fc7CDN\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5916\u90e8\u77e5\u8bc6\u8f85\u52a9<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u641c\u7d22\u8be5IP\u6bb5\u662f\u5426\u88ab\u516c\u5f00\u6807\u8bb0\u4e3aCDN\uff08\u4f7f\u7528\u641c\u7d22\u5f15\u64ce\uff0c\u4f46\u6ce8\u610f\u4e0d\u8981\u4f9d\u8d56\u5916\u90e8\u94fe\u63a5\u9a8c\u8bc1\uff0c\u6b64\u5904\u4ec5\u4e3a\u903b\u8f91\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7ed3\u8bba\u4fee\u6b63<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6839\u636e\u9a8c\u8bc1\u7ed3\u679c\uff0c\u4fee\u6b63\u4e4b\u524d\u7684\u7ed3\u8bba\uff08\u5982\u6709\u5fc5\u8981\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53cd\u5411DNS\u9a8c\u8bc1<\/strong>\uff1a\u82e5IP\u7684PTR\u8bb0\u5f55\u5305\u542b <code>cloudflare.com<\/code>\uff0c\u5219\u6781\u53ef\u80fd\u4e3aCDN\u8282\u70b9\u3002<\/li>\n\n\n\n<li><strong>\u9759\u6001\u8d44\u6e90\u9a8c\u8bc1<\/strong>\uff1a\u9759\u6001\u8d44\u6e90\u8bf7\u6c42\u8fd4\u56de\u7684 <code>Age<\/code> \u5934\u82e5\u9012\u589e\uff0c\u8bc1\u660e\u7f13\u5b58\u5b58\u5728\u3002<\/li>\n\n\n\n<li><strong>\u5386\u53f2\u8bb0\u5f55\u9a8c\u8bc1<\/strong>\uff1a\u82e5\u5386\u53f2\u89e3\u6790IP\u4e0e\u5f53\u524d\u4e0d\u540c\u4e14\u90fd\u5c5e\u4e8e\u540c\u4e00CDN\u6bb5\uff0c\u5219\u652f\u6301CDN\u7ed3\u8bba\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u8bef\u5c06CDN\u8282\u70b9IP\u7684PTR\u8bb0\u5f55\u4e2d\u4e0d\u5305\u542b\u670d\u52a1\u5546\u540d\u5c31\u8ba4\u4e3a\u4e0d\u662fCDN\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u6709\u4e9bCDN\u8282\u70b9PTR\u8bb0\u5f55\u53ef\u80fd\u662f\u901a\u7528\u540d\u79f0\uff0c\u9700\u7ed3\u5408\u5176\u4ed6\u7279\u5f81\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u8ba4\u4e3a\u6240\u6709CDN\u90fd\u4f1a\u5728\u54cd\u5e94\u5934\u6dfb\u52a0\u5b57\u6bb5\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u4e86\u89e3\u7279\u5b9aCDN\u7684\u9ed8\u8ba4\u914d\u7f6e\uff0c\u4f8b\u5982\u67d0\u4e9bCDN\u5141\u8bb8\u5ba2\u6237\u81ea\u5b9a\u4e49\u9690\u85cf\u5934\u90e8\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u591a\u5c42\u4ee3\u7406\u65f6\uff0c\u8bef\u5c06\u4e2d\u95f4\u5c42\u5f53\u4f5cCDN\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u901a\u8fc7 <code>Via<\/code> \u5934\u7684\u987a\u5e8f\u5224\u65ad\u4ee3\u7406\u5c42\u7ea7\uff0c\u5e76\u9010\u4e00\u9a8c\u8bc1\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u98ce\u9669\u63a7\u5236\u63aa\u65bd\u4e2d\u7684\u67d0\u4e9b\u65b9\u6cd5\uff08\u5982\u5168\u7aef\u53e3\u626b\u63cf\uff09\u53ef\u80fd\u5177\u6709\u653b\u51fb\u6027\uff0c\u672a\u7ecf\u6388\u6743\u4e25\u7981\u4f7f\u7528\u3002\u53cd\u5411DNS\u548c\u9759\u6001\u8d44\u6e90\u63a2\u6d4b\u76f8\u5bf9\u6e29\u548c\uff0c\u4f46\u4e5f\u5e94\u63a7\u5236\u9891\u7387\u3002\u4efb\u4f55\u60c5\u51b5\u4e0b\uff0c\u90fd\u5fc5\u987b\u9075\u5b88\u76ee\u6807\u7f51\u7ad9\u7684\u4f7f\u7528\u653f\u7b56\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u901a\u8fc7\u5206\u6790\u5e38\u89c1\u8bef\u5224\u56e0\u7d20\u5e76\u5f15\u5165\u9488\u5bf9\u6027\u9a8c\u8bc1\u65b9\u6cd5\uff0c\u63d0\u9ad8\u4e86CDN\u8bc6\u522b\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002\u81f3\u6b64\uff0c\u6211\u4eec\u5df2\u7ecf\u5177\u5907\u4e86\u4ece\u63a2\u6d4b\u5230\u5206\u6790\u518d\u5230\u98ce\u9669\u63a7\u5236\u7684\u5b8c\u6574\u80fd\u529b\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6574\u5408\u6240\u6709\u4fe1\u606f\uff0c\u5f62\u6210\u6700\u7ec8\u7ed3\u8bba\u8f93\u51fa\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe6-1\uff1a\u98ce\u9669\u63a7\u5236\u51b3\u7b56\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u98ce\u9669\u63a7\u5236\u51b3\u7b56\u56fe-1024x460.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"460\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u98ce\u9669\u63a7\u5236\u51b3\u7b56\u56fe-1024x460.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1824\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6574\u5408\u8f93\u51fa\u80fd\u529b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5c06\u524d\u9762\u6240\u6709\u9636\u6bb5\u6536\u96c6\u5230\u7684\u591a\u7ef4\u5ea6\u4fe1\u606f\u8fdb\u884c\u6574\u5408\u3001\u5206\u6790\uff0c\u6700\u7ec8\u5f62\u6210\u5173\u4e8e\u76ee\u6807\u662f\u5426\u90e8\u7f72CDN\u52a0\u901f\u670d\u52a1\u7684\u660e\u786e\u7ed3\u8bba\u3002\u8f93\u51fa\u4e0d\u4ec5\u8981\u7ed9\u51fa\u201c\u662f\/\u5426\u201d\u7684\u5224\u65ad\uff0c\u8fd8\u5e94\u9644\u4e0a\u652f\u6491\u8bc1\u636e\u94fe\u3001\u7f6e\u4fe1\u5ea6\u8bc4\u4f30\u4ee5\u53ca\u53ef\u80fd\u7684\u540e\u7eed\u5efa\u8bae\u3002\u8fd9\u79cd\u6574\u5408\u80fd\u529b\u662f\u4fe1\u606f\u6536\u96c6\u9636\u6bb5\u5de5\u7a0b\u5316\u8f93\u51fa\u7684\u4f53\u73b0\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u5408\u8f93\u51fa\u57fa\u4e8e\u8bc1\u636e\u6743\u91cd\u548c\u903b\u8f91\u63a8\u7406\uff0c\u91c7\u7528\u7c7b\u4f3c\u6cd5\u5ead\u4e3e\u8bc1\u7684\u65b9\u5f0f\u5448\u73b0\u3002\u7ed3\u8bba\u5206\u4e3a\u4e09\u7c7b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6709CDN<\/strong>\uff1a\u5b58\u5728\u81f3\u5c11\u4e24\u4e2a\u72ec\u7acb\u7ef4\u5ea6\u5f3a\u8bc1\u636e\u6307\u5411\u540c\u4e00CDN\u670d\u52a1\u5546\u3002<\/li>\n\n\n\n<li><strong>\u65e0CDN<\/strong>\uff1a\u6240\u6709\u7ef4\u5ea6\u5747\u672a\u53d1\u73b0CDN\u7279\u5f81\uff0c\u4e14IP\u5f52\u5c5e\u4e3a\u666e\u901a\u6258\u7ba1\u6216\u81ea\u5efa\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u786e\u5b9a<\/strong>\uff1a\u8bc1\u636e\u4e0d\u8db3\u6216\u77db\u76fe\uff0c\u9700\u8fdb\u4e00\u6b65\u6d4b\u8bd5\u6216\u4f7f\u7528\u5176\u4ed6\u624b\u6bb5\uff08\u5982\u793e\u4f1a\u5de5\u7a0b\u5b66\u3001\u5386\u53f2\u8bb0\u5f55\u7b49\uff09\u3002<br>\u8f93\u51fa\u62a5\u544a\u5e94\u5305\u542b\u539f\u59cb\u6570\u636e\u3001\u5206\u6790\u8fc7\u7a0b\u548c\u6700\u7ec8\u5224\u65ad\uff0c\u4ee5\u4fbf\u4ed6\u4eba\u590d\u6838\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u662f\u6574\u4e2a\u8bc6\u522b\u6d41\u7a0b\u7684\u7ec8\u70b9\uff0c\u5c06\u524d\u671f\u6240\u6709\u5de5\u4f5c\u6210\u679c\u6c47\u603b\u4e3a\u6700\u7ec8\u7ed3\u8bba\u3002\u8be5\u7ed3\u8bba\u5c06\u76f4\u63a5\u5f71\u54cd\u540e\u7eed\u7684\u6e17\u900f\u6d4b\u8bd5\u7b56\u7565\uff0c\u4f8b\u5982\u662f\u5426\u9700\u8981\u5bfb\u627e\u771f\u5b9e\u6e90\u7ad9IP\uff0c\u4ee5\u53ca\u5982\u4f55\u7ed5\u8fc7CDN\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5b9e\u9645\u8f93\u51fa\u4e2d\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u6267\u884c\u65b0\u547d\u4ee4\uff0c\u800c\u662f\u6574\u7406\u4e4b\u524d\u6240\u6709\u547d\u4ee4\u7684\u8f93\u51fa\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u6574\u7406\u62a5\u544a\u7684\u793a\u4f8b\u7ed3\u6784\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># CDN\u8bc6\u522b\u62a5\u544a\n## \u76ee\u6807\u57df\u540d\ntestphp.vulnweb.com\n\n## \u6570\u636e\u6536\u96c6\n### DNS\u89e3\u6790\n- IP1: 44.228.249.3 (\u5f52\u5c5e: Amazon.com, AS16509)\n- IP2: 44.228.249.3 (\u4ec5\u4e00\u4e2aIP)\n\n### HTTP\u54cd\u5e94\u5934<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP\/1.1 200 OK<br>Server: nginx\/1.19.0<br>\u2026<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u672a\u53d1\u73b0CDN\u7279\u6709\u5934\u90e8\u3002\n\n### TLS\u8bc1\u4e66\nIssuer: Let's Encrypt\nSubject: testphp.vulnweb.com\n\u65e0CDN\u670d\u52a1\u5546\u4fe1\u606f\u3002\n\n### \u8def\u7531\u8ffd\u8e2a\ntraceroute \u663e\u793a\u6700\u7ec8\u5230\u8fbe AWS \u8282\u70b9\u3002\n\n## \u5206\u6790\n- IP\u5f52\u5c5eAWS\uff0c\u4f46\u65e0\u4efb\u4f55CDN\u7279\u5f81\u5934\u90e8\u3002\n- \u8bc1\u4e66\u7531Let's Encrypt\u9881\u53d1\uff0c\u975eCDN\u3002\n- \u8def\u7531\u6700\u7ec8\u8fdb\u5165AWS\u7f51\u7edc\u3002\n\n## \u7ed3\u8bba\n**\u65e0CDN**\u3002\u76ee\u6807\u76f4\u63a5\u6258\u7ba1\u5728AWS\u4e91\u4e3b\u673a\u4e0a\u3002<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8f93\u51fa\u7ef4\u5ea6<\/th><th>\u6570\u636e\u6765\u6e90<\/th><th>\u5206\u6790\u65b9\u6cd5<\/th><th>\u6743\u91cd<\/th><\/tr><\/thead><tbody><tr><td>DNS+IP\u5f52\u5c5e<\/td><td>dig, whois<\/td><td>\u6bd4\u5bf9CDN\u670d\u52a1\u5546ASN<\/td><td>\u4e2d<\/td><\/tr><tr><td>HTTP\u7279\u5f81<\/td><td>curl<\/td><td>\u5339\u914dCDN\u7279\u6709\u5934\u90e8<\/td><td>\u9ad8<\/td><\/tr><tr><td>TLS\u8bc1\u4e66<\/td><td>openssl<\/td><td>\u68c0\u67e5\u9881\u53d1\u8005<\/td><td>\u4e2d<\/td><\/tr><tr><td>\u7f51\u7edc\u8def\u5f84<\/td><td>traceroute<\/td><td>\u89c2\u5bdf\u8282\u70b9\u57df\u540d<\/td><td>\u4f4e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6c47\u603b\u6570\u636e<\/strong>\uff1a\u5c06\u524d\u5e8f\u6b65\u9aa4\u4e2d\u6536\u96c6\u7684\u6240\u6709\u539f\u59cb\u6570\u636e\u6574\u7406\u5230\u4e00\u4e2a\u6587\u6863\u4e2d\u3002<\/li>\n\n\n\n<li><strong>\u9010\u9879\u5206\u6790<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DNS\u89e3\u6790IP\u6570\u91cf\u53ca\u5f52\u5c5e\u3002<\/li>\n\n\n\n<li>HTTP\u5934\u4e2d\u7684CDN\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>TLS\u8bc1\u4e66\u9881\u53d1\u8005\u3002<\/li>\n\n\n\n<li>traceroute\u4e2d\u7684CDN\u8282\u70b9\u57df\u540d\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8bc1\u636e\u52a0\u6743<\/strong>\uff1a\u6839\u636e\u8bc1\u636e\u6743\u91cd\uff0c\u8bc4\u4f30\u6bcf\u4e2a\u7ef4\u5ea6\u7684\u652f\u6301\u7a0b\u5ea6\u3002<\/li>\n\n\n\n<li><strong>\u7efc\u5408\u5224\u65ad<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u82e5\u6709\u4e24\u4e2a\u6216\u4ee5\u4e0a\u9ad8\u6743\u91cd\u8bc1\u636e\u6307\u5411\u540c\u4e00CDN\uff0c\u5224\u5b9a\u4e3a\u201c\u6709CDN\u201d\u3002<\/li>\n\n\n\n<li>\u82e5\u65e0\u4efb\u4f55\u8bc1\u636e\uff0c\u4e14IP\u5f52\u5c5e\u4e3a\u666e\u901a\u4e3b\u673a\uff0c\u5224\u5b9a\u4e3a\u201c\u65e0CDN\u201d\u3002<\/li>\n\n\n\n<li>\u82e5\u8bc1\u636e\u77db\u76fe\u6216\u4e0d\u8db3\uff0c\u5224\u5b9a\u4e3a\u201c\u4e0d\u786e\u5b9a\u201d\uff0c\u5e76\u5217\u51fa\u9700\u8fdb\u4e00\u6b65\u6536\u96c6\u7684\u4fe1\u606f\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u64b0\u5199\u62a5\u544a<\/strong>\uff1a\u6309\u7167\u6e05\u6670\u7684\u7ed3\u6784\u8f93\u51fa\u62a5\u544a\uff0c\u5305\u62ec\u76ee\u6807\u3001\u6570\u636e\u3001\u5206\u6790\u3001\u7ed3\u8bba\u3001\u7f6e\u4fe1\u5ea6\u3001\u540e\u7eed\u5efa\u8bae\u3002<\/li>\n\n\n\n<li><strong>\u590d\u6838<\/strong>\uff1a\u68c0\u67e5\u62a5\u544a\u662f\u5426\u903b\u8f91\u81ea\u6d3d\uff0c\u6709\u65e0\u9057\u6f0f\u91cd\u8981\u8bc1\u636e\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u62a5\u544a\u53ef\u590d\u73b0<\/strong>\uff1a\u4ed6\u4eba\u6309\u7167\u76f8\u540c\u6b65\u9aa4\u5bf9\u540c\u4e00\u76ee\u6807\u8fdb\u884c\u6d4b\u8bd5\uff0c\u5e94\u5f97\u51fa\u76f8\u540c\u7ed3\u8bba\u3002<\/li>\n\n\n\n<li><strong>\u8bc1\u636e\u94fe\u5b8c\u6574<\/strong>\uff1a\u6bcf\u4e2a\u7ed3\u8bba\u90fd\u6709\u5bf9\u5e94\u7684\u539f\u59cb\u6570\u636e\u652f\u6301\uff0c\u65e0\u4e3b\u89c2\u81c6\u65ad\u3002<\/li>\n\n\n\n<li><strong>\u7f6e\u4fe1\u5ea6\u8bf4\u660e<\/strong>\uff1a\u4f8b\u5982\u201c\u6709CDN\uff08\u7f6e\u4fe1\u5ea6\u9ad8\uff09\u201d\uff0c\u5e76\u89e3\u91ca\u4e3a\u4ec0\u4e48\u9ad8\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u7ed3\u8bba\u4e0e\u8bc1\u636e\u4e0d\u5339\u914d\uff0c\u4f8b\u5982\u6709CDN\u8bc1\u636e\u5374\u5224\u5b9a\u65e0CDN\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u91cd\u65b0\u5ba1\u89c6\u8bc1\u636e\uff0c\u786e\u4fdd\u6ca1\u6709\u9057\u6f0f\u6216\u8bef\u89e3\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u62a5\u544a\u7f3a\u5c11\u539f\u59cb\u6570\u636e\uff0c\u53ea\u7ed9\u7ed3\u8bba\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u4e25\u683c\u6309\u7167\u683c\u5f0f\u8f93\u51fa\uff0c\u5305\u542b\u6240\u6709\u5173\u952e\u547d\u4ee4\u8f93\u51fa\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef<\/strong>\uff1a\u7f6e\u4fe1\u5ea6\u8bc4\u4f30\u4e0d\u5f53\u3002<br><strong>\u6392\u67e5<\/strong>\uff1a\u6839\u636e\u8bc1\u636e\u6570\u91cf\u548c\u5f3a\u5ea6\uff0c\u5408\u7406\u6807\u6ce8\u7f6e\u4fe1\u5ea6\uff08\u9ad8\/\u4e2d\/\u4f4e\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u7ec8\u8f93\u51fa\u62a5\u544a\u4ec5\u7528\u4e8e\u6388\u6743\u6d4b\u8bd5\u7684\u5185\u90e8\u8bb0\u5f55\uff0c\u4e0d\u5f97\u516c\u5f00\u6cc4\u9732\u76ee\u6807\u4fe1\u606f\u3002\u62a5\u544a\u4e2d\u7684\u539f\u59cb\u6570\u636e\u53ef\u80fd\u5305\u542b\u654f\u611f\u4fe1\u606f\uff08\u5982IP\u5730\u5740\uff09\uff0c\u5e94\u59a5\u5584\u4fdd\u7ba1\u3002\u82e5\u76ee\u6807\u4e3a\u516c\u5f00\u6d4b\u8bd5\u7ad9\u70b9\uff0c\u62a5\u544a\u53ef\u7528\u4e8e\u6559\u5b66\u5206\u4eab\uff0c\u4f46\u9700\u53bb\u9664\u4efb\u4f55\u53ef\u80fd\u8bc6\u522b\u4e2a\u4eba\u8eab\u4efd\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5b8c\u6210\u4e86\u4ece\u4fe1\u606f\u6536\u96c6\u5230\u7ed3\u8bba\u8f93\u51fa\u7684\u5168\u8fc7\u7a0b\uff0c\u5c06CDN\u8bc6\u522b\u80fd\u529b\u6574\u5408\u4e3a\u53ef\u4ea4\u4ed8\u7684\u5de5\u7a0b\u5316\u6210\u679c\u3002\u901a\u8fc7\u7cfb\u7edf\u5316\u7684\u65b9\u6cd5\uff0c\u5b89\u5168\u6d4b\u8bd5\u8005\u80fd\u591f\u51c6\u786e\u5224\u65ad\u76ee\u6807\u662f\u5426\u4f7f\u7528CDN\uff0c\u4e3a\u540e\u7eed\u7684\u6e17\u900f\u6d4b\u8bd5\u6216\u5b89\u5168\u8bc4\u4f30\u5960\u5b9a\u575a\u5b9e\u57fa\u7840\u3002\u81f3\u6b64\uff0c\u6574\u4e2a\u201c\u4fe1\u606f\u6536\u96c6-Web\u5e94\u7528-CDN\u52a0\u901f-\u5982\u4f55\u8bc6\u522b\u201d\u8bfe\u7a0b\u7ed3\u6784\u5706\u6ee1\u95ed\u73af\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe7-1\uff1a\u62a5\u544a\u6574\u5408\u6d41\u7a0b\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u62a5\u544a\u6574\u5408\u6d41\u7a0b\u56fe-1024x1020.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1020\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u62a5\u544a\u6574\u5408\u6d41\u7a0b\u56fe-1024x1020.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1825\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u53c2\u8003\u4e0e\u8fdb\u4e00\u6b65\u9605\u8bfb<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IETF, RFC 9111 &#8211; HTTP Caching\uff1a\u672c\u6587\u4e2d\u5173\u4e8eHTTP\u7f13\u5b58\u884c\u4e3a\uff08<code>Cache-Control<\/code>\u3001<code>Age<\/code>\u5934\u7b49\uff09\u6280\u672f\u539f\u7406\u7684\u6743\u5a01\u4f9d\u636e\u3002<\/li>\n\n\n\n<li>Cloudflare Radar &#8211; ASN Information\uff1a\u672c\u6587\u4e2d\u5173\u4e8e\u9a8c\u8bc1IP\u5730\u5740\u6240\u5c5eASN\uff08\u81ea\u6cbb\u7cfb\u7edf\u53f7\uff09\u53ca\u7ec4\u7ec7\u4fe1\u606f\u7684\u771f\u5b9e\u6570\u636e\u5e73\u53f0\u53c2\u8003\u793a\u4f8b\u3002<\/li>\n\n\n\n<li><code>dig<\/code> Man Page &#8211; Linux Manual Pages\uff1aLinux <code>dig<\/code> \u547d\u4ee4\u7684\u5b98\u65b9\u624b\u518c\uff0c\u672c\u6587\u4e2d\u6240\u6709DNS\u67e5\u8be2\u547d\u4ee4\u7684\u8bed\u6cd5\u4f9d\u636e\u3002<\/li>\n\n\n\n<li><code>curl<\/code> Man Page &#8211; Everything curl\uff1acURL\u9879\u76ee\u7684\u5b98\u65b9\u6587\u6863\uff0c\u672c\u6587\u4e2d\u6240\u6709HTTP\u8bf7\u6c42\u547d\u4ee4\u7684\u6743\u5a01\u53c2\u8003\u3002<\/li>\n\n\n\n<li>OpenSSL Documentation\uff1aOpenSSL\u9879\u76ee\u7684\u5b98\u65b9\u6587\u6863\uff0c\u672c\u6587\u4e2d\u6240\u6709TLS\u8bc1\u4e66\u5206\u6790\u547d\u4ee4\u7684\u6765\u6e90\u4f9d\u636e\u3002<\/li>\n\n\n\n<li>IETF RFC 1035 &#8211; Domain Names\uff1aDNS\u534f\u8bae\u7684\u57fa\u7840\u89c4\u8303\u6807\u51c6\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4fe1\u606f\u6536\u96c6-Web\u5e94\u7528-CDN\u52a0\u901f-\u7ed5\u8fc7\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f15\u8a00\uff1a\u5f15\u7528\u771f\u5b9e\u6027\u9a8c\u8bc1\u4e0e\u94fe\u63a5\u4f9d\u636e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ecf\u9010\u884c\u6838\u9a8c\uff0c\u539f\u7a3f\u4e2d\u6240\u6709\u547d\u4ee4\uff08<code>dig<\/code>\u3001<code>nslookup<\/code>\u3001<code>host<\/code>\u3001<code>whois<\/code>\u3001<code>curl<\/code>\u3001<code>openssl s_client<\/code>\u3001<code>dnsrecon<\/code>\uff09\u5747\u4e3a Linux\/Unix\/macOS \u73af\u5883\u4e0b\u771f\u5b9e\u5b58\u5728\u7684\u6807\u51c6\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u53c2\u6570\u4f7f\u7528\u6b63\u786e\uff08\u5982 <code>-I<\/code>\u3001<code>-H<\/code>\u3001<code>-servername<\/code>\uff09\uff0c\u884c\u4e3a\u63cf\u8ff0\u4e0e\u5b98\u65b9\u6587\u6863\u4e00\u81f4\u3002<br><strong>\u4e3b\u8981\u8865\u5145\u5de5\u4f5c<\/strong>\uff1a\u4e3a\u5173\u952e\u7684\u6280\u672f\u65ad\u8a00\uff08\u5982 CDN \u6cc4\u9732\u539f\u56e0\u3001\u8bc1\u4e66\u900f\u660e\u5ea6\u673a\u5236\uff09\u8865\u5145\u4e86\u6743\u5a01\u7684\u6280\u672f\u6587\u6863\u94fe\u63a5\uff08\u5982 IETF RFC\u3001OpenSSL \u5b98\u65b9\u624b\u518c\u3001Linux Foundation \u9879\u76ee\u4e3b\u9875\uff09\uff0c\u786e\u4fdd\u201c\u77e5\u5176\u6240\u4ee5\u7136\u201d\u3002\u6240\u6709\u8865\u5145\u94fe\u63a5\u5747\u7ecf\u786e\u8ba4\u771f\u5b9e\u6709\u6548\uff0c\u672a\u865a\u6784\u4efb\u4f55 URL\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u4e00\uff1a\u57fa\u7840\u8ba4\u77e5\u91cd\u6784<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">CDN\uff08Content Delivery Network\uff0c\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u7684\u6838\u5fc3\u529f\u80fd\u662f\u52a0\u901f\u5185\u5bb9\u5206\u53d1\uff0c\u5176\u5b89\u5168\u9632\u62a4\u80fd\u529b\uff08\u5982\u9690\u85cf\u6e90\u7ad9\uff09\u4ec5\u4e3a\u9644\u5e26\u7279\u6027\uff0c\u4e14\u5b58\u5728\u591a\u79cd\u6f5c\u5728\u4fe1\u606f\u6cc4\u9732\u8def\u5f84\u3002\u672c\u6a21\u5757\u65e8\u5728\u5e2e\u52a9\u5b66\u4e60\u8005\u5efa\u7acb CDN \u4e0e\u6e90\u7ad9\u5173\u7cfb\u7684\u6b63\u786e\u8ba4\u77e5\uff0c\u7834\u9664\u201c\u90e8\u7f72 CDN \u5373\u53ef\u5f7b\u5e95\u9690\u85cf\u6e90\u7ad9 IP\u201d\u7684\u5e38\u89c1\u8bef\u89e3\uff0c\u4e3a\u540e\u7eed\u6eaf\u6e90\u65b9\u6cd5\u5960\u5b9a\u8ba4\u77e5\u57fa\u7840\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">CDN \u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u53cd\u5411\u4ee3\u7406\u7cfb\u7edf\u3002\u7528\u6237\u8bbf\u95ee\u57df\u540d\u65f6\uff0cDNS \u89e3\u6790\u8fd4\u56de CDN \u8fb9\u7f18\u8282\u70b9\u7684 IP\uff0c\u8bf7\u6c42\u88ab\u5f15\u5bfc\u81f3\u6700\u8fd1\u7684\u8fb9\u7f18\u8282\u70b9\uff1b\u82e5\u8282\u70b9\u5df2\u7f13\u5b58\u5185\u5bb9\u5219\u76f4\u63a5\u54cd\u5e94\uff0c\u5426\u5219\u56de\u6e90\u7ad9\u62c9\u53d6\u3002\u6e90\u7ad9 IP \u5fc5\u987b\u914d\u7f6e\u5728 CDN \u670d\u52a1\u5546\u7684\u5e73\u53f0\u4e0a\uff0c\u4ee5\u4fbf\u8fb9\u7f18\u8282\u70b9\u56de\u6e90\u3002\u8fd9\u79cd\u67b6\u6784\u51b3\u5b9a\u4e86\u6e90\u7ad9 IP \u5e76\u975e\u7edd\u5bf9\u4e0d\u53ef\u89c1\uff0c\u5176\u6cc4\u9732\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DNS \u914d\u7f6e\u9519\u8bef<\/strong>\uff1a\u7ba1\u7406\u5458\u53ef\u80fd\u5c06\u6e90\u7ad9 IP \u76f4\u63a5\u5199\u5728 A \u8bb0\u5f55\u4e2d\uff0c\u6216\u672a\u5b8c\u5168\u5207\u6362 DNS \u89e3\u6790\u3002<\/li>\n\n\n\n<li><strong>\u5386\u53f2 DNS \u8bb0\u5f55<\/strong>\uff1a\u57df\u540d\u5728\u63a5\u5165 CDN \u524d\u7684 A \u8bb0\u5f55\u53ef\u80fd\u88ab\u7b2c\u4e09\u65b9\u5b58\u6863\uff08\u5982 DNS \u5386\u53f2\u67e5\u8be2\u670d\u52a1\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4fe1\u606f\u6cc4\u9732<\/strong>\uff1a\u6e90\u7ad9\u53ef\u80fd\u901a\u8fc7\u54cd\u5e94\u5934\uff08\u5982 <code>Via<\/code>\u3001<code>X-Cache<\/code>\uff09\u3001\u9519\u8bef\u9875\u9762\u3001\u5b50\u57df\u540d\u89e3\u6790\u3001SSL \u8bc1\u4e66\uff08\u8bc1\u4e66\u900f\u660e\u65e5\u5fd7\uff09\u7b49\u66b4\u9732\u81ea\u8eab IP\u3002<\/li>\n\n\n\n<li><strong>\u4e3b\u52a8\u63a2\u6d4b<\/strong>\uff1a\u901a\u8fc7\u5168\u7f51\u626b\u63cf\u6216\u7279\u5b9a\u6280\u672f\uff08\u5982\u901a\u8fc7\u90ae\u4ef6\u670d\u52a1\u5668\uff09\u53ef\u95f4\u63a5\u83b7\u53d6\u6e90\u7ad9\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u56fe\u5c55\u793a\u4e86 CDN \u7684\u57fa\u672c\u5de5\u4f5c\u6d41\u7a0b\u4ee5\u53ca\u6e90\u7ad9 IP \u53ef\u80fd\u6cc4\u9732\u7684\u591a\u4e2a\u73af\u8282\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe1\uff1aCDN\u5de5\u4f5c\u539f\u7406\u4e0e\u4fe1\u606f\u6cc4\u9732\u8def\u5f84\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/CDN\u5de5\u4f5c\u539f\u7406\u4e0e\u4fe1\u606f\u6cc4\u9732\u8def\u5f84\u56fe-1024x637.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"637\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/CDN\u5de5\u4f5c\u539f\u7406\u4e0e\u4fe1\u606f\u6cc4\u9732\u8def\u5f84\u56fe-1024x637.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1831\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u662f\u4fe1\u606f\u6536\u96c6\u9636\u6bb5\u7684\u8ba4\u77e5\u8d77\u70b9\uff0c\u4f4d\u4e8e\u6574\u4e2a\u6eaf\u6e90\u6d41\u7a0b\u7684\u6700\u524d\u7aef\u3002\u5b83\u4e3a\u540e\u7eed\u6a21\u5757\uff08\u6eaf\u6e90\u76ee\u6807\u660e\u786e\u3001\u9632\u62a4\u7ed3\u6784\u62c6\u89e3\u7b49\uff09\u63d0\u4f9b\u7406\u8bba\u4f9d\u636e\uff0c\u5e2e\u52a9\u5b66\u4e60\u8005\u7406\u89e3\u4e3a\u4f55\u9700\u8981\u5265\u79bb CDN\u3001\u4ece\u54ea\u4e9b\u89d2\u5ea6\u5bfb\u627e\u6e90\u7ad9 IP\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u547d\u4ee4\u57fa\u4e8e\u5141\u8bb8\u7684\u6d4b\u8bd5\u76ee\u6807\uff08\u5982 <code>testphp.vulnweb.com<\/code>\uff09\uff0c\u7528\u4e8e\u68c0\u6d4b\u57df\u540d\u662f\u5426\u4f7f\u7528 CDN \u5e76\u89c2\u5bdf\u5176\u7279\u5f81\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u4f7f\u7528dig\u67e5\u8be2\u57df\u540d\u7684A\u8bb0\u5f55\u548cCNAME\u8bb0\u5f55\ndig testphp.vulnweb.com A\ndig testphp.vulnweb.com CNAME\n\n# \u4f7f\u7528nslookup\u67e5\u770b\u89e3\u6790\u7ed3\u679c\uff08\u6ce8\u610f\u5bf9\u6bd4\u4e0d\u540cDNS\u670d\u52a1\u5668\u7684\u8fd4\u56de\uff09\nnslookup testphp.vulnweb.com\nnslookup testphp.vulnweb.com 8.8.8.8  # \u6307\u5b9aGoogle DNS\uff0c\u89c2\u5bdf\u662f\u5426\u4e00\u81f4\n\n# \u4f7f\u7528host\u547d\u4ee4\u5feb\u901f\u67e5\u8be2\nhost testphp.vulnweb.com\n\n# \u67e5\u770b\u57df\u540dWHOIS\u4fe1\u606f\uff0c\u53ef\u80fd\u5305\u542b\u6e90\u7ad9IP\u5386\u53f2\uff08\u9700\u7ed3\u5408\u5386\u53f2\u5b58\u6863\uff09\nwhois testphp.vulnweb.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u82e5\u57df\u540d\u542f\u7528\u4e86 CDN\uff0c\u5176 A \u8bb0\u5f55\u901a\u5e38\u4f1a\u8fd4\u56de\u591a\u4e2a IP\uff08\u4e0d\u540c\u5730\u57df\uff09\uff0c\u4e14 CNAME \u53ef\u80fd\u6307\u5411 CDN \u670d\u52a1\u5546\u7684\u57df\u540d\uff08\u5982 <code>.cloudflare.net<\/code>\uff09\u3002\u901a\u8fc7\u4e0a\u8ff0\u547d\u4ee4\u53ef\u521d\u6b65\u5224\u65ad\u76ee\u6807\u662f\u5426\u5904\u4e8e CDN \u4fdd\u62a4\u4e0b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u5177<\/th><th>\u9002\u7528\u573a\u666f<\/th><th>\u4f18\u70b9<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td><code>dig<\/code><\/td><td>\u8be6\u7ec6DNS\u89e3\u6790\u67e5\u8be2\uff0c\u652f\u6301\u6307\u5b9a\u8bb0\u5f55\u7c7b\u578b\u548cDNS\u670d\u52a1\u5668<\/td><td>\u529f\u80fd\u5168\u9762\uff0c\u8f93\u51fa\u7ed3\u6784\u5316\uff0c\u9002\u5408\u811a\u672c\u5904\u7406<\/td><td>\u9700\u5b89\u88c5\uff0c\u53c2\u6570\u8f83\u591a\uff0c\u65b0\u624b\u9700\u5b66\u4e60<\/td><\/tr><tr><td><code>nslookup<\/code><\/td><td>\u5feb\u901fDNS\u67e5\u8be2\uff0c\u4ea4\u4e92\u5f0f\u6216\u547d\u4ee4\u884c\u6a21\u5f0f<\/td><td>\u8de8\u5e73\u53f0\u9ed8\u8ba4\u5b89\u88c5\uff0c\u7b80\u5355\u6613\u7528<\/td><td>\u4fe1\u606f\u76f8\u5bf9\u7b80\u7565\uff0c\u5bf9EDNS\u652f\u6301\u8f83\u5dee<\/td><\/tr><tr><td><code>host<\/code><\/td><td>\u7b80\u5355\u57df\u540d\u89e3\u6790\uff0c\u5feb\u901f\u83b7\u53d6A\/CNAME\u8bb0\u5f55<\/td><td>\u547d\u4ee4\u7b80\u6d01\uff0c\u8f93\u51fa\u76f4\u89c2<\/td><td>\u529f\u80fd\u5355\u4e00\uff0c\u65e0\u6cd5\u6307\u5b9a\u590d\u6742\u53c2\u6570<\/td><\/tr><tr><td><code>whois<\/code><\/td><td>\u67e5\u8be2\u57df\u540d\u6ce8\u518c\u4fe1\u606f\u53ca\u5386\u53f2IP\uff08\u90e8\u5206\u670d\u52a1\u5546\u8bb0\u5f55\uff09<\/td><td>\u53ef\u83b7\u53d6\u6ce8\u518c\u4eba\u3001DNS\u670d\u52a1\u5668\u7b49\u9644\u52a0\u4fe1\u606f<\/td><td>\u5386\u53f2IP\u975e\u6807\u51c6\u5b57\u6bb5\uff0c\u9700\u4f9d\u8d56\u7b2c\u4e09\u65b9\u5b58\u6863<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u786e\u5b9a\u76ee\u6807\u57df\u540d<\/strong>\uff1a\u4ee5\u6388\u6743\u6d4b\u8bd5\u7684\u57df\u540d\u4e3a\u5bf9\u8c61\uff0c\u4f8b\u5982 <code>testphp.vulnweb.com<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u6267\u884c\u57fa\u7840 DNS \u67e5\u8be2<\/strong>\uff1a\u4f7f\u7528 <code>dig<\/code> \u6216 <code>nslookup<\/code> \u83b7\u53d6\u57df\u540d\u7684 A \u8bb0\u5f55\u548c CNAME \u8bb0\u5f55\uff0c\u89c2\u5bdf\u8fd4\u56de\u7684 IP \u6570\u91cf\u53ca\u662f\u5426\u6307\u5411 CDN \u670d\u52a1\u5546\u57df\u540d\u3002<\/li>\n\n\n\n<li><strong>\u591a\u5730\u57df\u89e3\u6790\u5bf9\u6bd4<\/strong>\uff1a\u4f7f\u7528\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u7684\u516c\u5171 DNS\uff08\u5982 <code>8.8.8.8<\/code> \u7f8e\u56fd\u3001<code>114.114.114.114<\/code> \u4e2d\u56fd\uff09\u91cd\u590d\u67e5\u8be2\uff0c\u82e5\u7ed3\u679c IP \u4e0d\u540c\uff0c\u5219\u6781\u53ef\u80fd\u4f7f\u7528\u4e86 CDN\u3002<\/li>\n\n\n\n<li><strong>\u68c0\u67e5\u5386\u53f2 DNS \u8bb0\u5f55<\/strong>\uff1a\u901a\u8fc7\u5728\u7ebf\u670d\u52a1\uff08\u5982 SecurityTrails\u3001ViewDNS\uff09\u67e5\u8be2\u57df\u540d\u5386\u53f2 A \u8bb0\u5f55\uff0c\u5bfb\u627e\u63a5\u5165 CDN \u524d\u7684\u6e90\u7ad9 IP\uff08\u6ce8\u610f\uff1a\u6b64\u5904\u4ec5\u8bf4\u660e\u65b9\u6cd5\uff0c\u5b9e\u9645\u64cd\u4f5c\u9700\u5728\u6388\u6743\u8303\u56f4\u5185\u4f7f\u7528\u516c\u5f00\u6570\u636e\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8bb0\u5f55\u521d\u6b65\u5224\u65ad<\/strong>\uff1a\u6839\u636e\u67e5\u8be2\u7ed3\u679c\uff0c\u8bb0\u5f55\u76ee\u6807\u662f\u5426\u4f7f\u7528 CDN\uff0c\u4ee5\u53ca\u53ef\u80fd\u5b58\u5728\u7684 CDN \u670d\u52a1\u5546\u4fe1\u606f\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u9a8c\u8bc1 CDN \u5b58\u5728\u7684\u903b\u8f91\uff1a\u5bf9\u6bd4\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u8fd4\u56de\u7684 IP \u662f\u5426\u5c5e\u4e8e\u540c\u4e00 CDN \u670d\u52a1\u5546\u7684 IP \u6bb5\u3002\u4f8b\u5982\uff0c\u82e5\u67e5\u8be2\u5230\u591a\u4e2a IP\uff0c\u53ef\u901a\u8fc7 <code>whois<\/code> \u67e5\u8be2\u8fd9\u4e9b IP \u7684\u5f52\u5c5e ASN\uff0c\u82e5\u5747\u5c5e\u4e8e Akamai\u3001Cloudflare \u7b49 CDN \u5382\u5546\uff0c\u5219\u53ef\u786e\u8ba4\u76ee\u6807\u4f7f\u7528\u4e86 CDN\u3002\u6b64\u5916\uff0c\u76f4\u63a5\u8bbf\u95ee\u8fd9\u4e9b IP \u5e76\u89c2\u5bdf\u54cd\u5e94\u5934\uff08\u5982 <code>Server<\/code>\u3001<code>Via<\/code>\uff09\u662f\u5426\u5305\u542b CDN \u7279\u5f81\uff0c\u4e5f\u53ef\u8f85\u52a9\u5224\u65ad\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef1<\/strong>\uff1a\u8bef\u5c06 CDN \u8282\u70b9 IP \u5f53\u4f5c\u6e90\u7ad9 IP\u3002\u6392\u67e5\uff1a\u8282\u70b9 IP \u901a\u5e38\u5f00\u653e 80\/443 \u7aef\u53e3\uff0c\u4f46\u8fd4\u56de\u5185\u5bb9\u53ef\u80fd\u5305\u542b CDN \u6807\u8bc6\uff08\u5982 <code>CF-Cache-Status<\/code>\uff09\u3002\u5e94\u7ed3\u5408\u5386\u53f2\u8bb0\u5f55\u548c\u540e\u7eed\u9a8c\u8bc1\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef2<\/strong>\uff1a\u5ffd\u7565 CNAME \u8bb0\u5f55\u3002\u6392\u67e5\uff1a\u90e8\u5206 CDN \u4ec5\u901a\u8fc7 CNAME \u6307\u5411\uff0c\u82e5\u672a\u67e5\u8be2 CNAME\uff0c\u53ef\u80fd\u6f0f\u6389\u5173\u952e\u4fe1\u606f\u3002\u52a1\u5fc5\u540c\u65f6\u67e5\u8be2 A \u548c CNAME\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef3<\/strong>\uff1aDNS \u7f13\u5b58\u5e72\u6270\u3002\u6392\u67e5\uff1a\u4f7f\u7528\u4e0d\u540c DNS \u670d\u52a1\u5668\uff08\u5982 <code>1.1.1.1<\/code>\u3001<code>8.8.8.8<\/code>\uff09\u91cd\u590d\u67e5\u8be2\uff0c\u907f\u514d\u672c\u5730\u7f13\u5b58\u5f71\u54cd\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u64cd\u4f5c\u4ec5\u9650\u5bf9\u5df2\u83b7\u5f97\u5408\u6cd5\u6388\u6743\u7684\u76ee\u6807\u8fdb\u884c\uff0c\u4e25\u7981\u5bf9\u672a\u6388\u6743\u7ad9\u70b9\u6267\u884c\u4efb\u4f55\u63a2\u6d4b\u3002DNS \u67e5\u8be2\u5c5e\u4e8e\u516c\u5f00\u4fe1\u606f\u6536\u96c6\uff0c\u4e00\u822c\u4e0d\u6784\u6210\u653b\u51fb\uff0c\u4f46\u9700\u9075\u5b88\u76ee\u6807\u57df\u540d\u7684\u670d\u52a1\u6761\u6b3e\u3002\u4e0d\u5f97\u5229\u7528\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u540e\u7eed\u6e17\u900f\u6d4b\u8bd5\uff0c\u9664\u975e\u83b7\u5f97\u660e\u786e\u6388\u6743\u3002\u82e5\u6000\u7591\u76ee\u6807\u4f7f\u7528 CDN\uff0c\u5e94\u901a\u8fc7\u6b63\u89c4\u6e20\u9053\uff08\u5982\u8054\u7cfb\u7ad9\u957f\uff09\u83b7\u53d6\u6388\u6743\uff0c\u800c\u975e\u81ea\u884c\u5c1d\u8bd5\u7ed5\u8fc7\u3002\u4f9d\u636e\u300a\u7f51\u7edc\u6570\u636e\u5b89\u5168\u7ba1\u7406\u6761\u4f8b\u300b\uff0c\u5bf9\u516c\u5f00\u6570\u636e\u7684\u8bbf\u95ee\u901a\u5e38\u4e0d\u6784\u6210\u201c\u975e\u6cd5\u4fb5\u5165\u201d\uff0c\u4f46\u4f7f\u7528\u81ea\u52a8\u5316\u5de5\u5177\u65f6\u9700\u8bc4\u4f30\u5bf9\u7f51\u7edc\u670d\u52a1\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u672c\u6a21\u5757\uff0c\u5b66\u4e60\u8005\u5efa\u7acb\u4e86 CDN \u4e0e\u6e90\u7ad9\u5173\u7cfb\u7684\u6b63\u786e\u8ba4\u77e5\uff0c\u660e\u786e\u4e86 CDN \u5e76\u975e\u7edd\u5bf9\u5c4f\u969c\uff0c\u5176\u81ea\u8eab\u914d\u7f6e\u548c\u5386\u53f2\u6570\u636e\u53ef\u80fd\u6cc4\u9732\u6e90\u7ad9 IP\u3002\u638c\u63e1\u57fa\u7840 DNS \u67e5\u8be2\u65b9\u6cd5\u540e\uff0c\u5373\u53ef\u8fdb\u5165\u4e0b\u4e00\u6a21\u5757\uff1a\u660e\u786e\u6eaf\u6e90\u76ee\u6807\u2014\u2014\u5265\u79bb CDN\uff0c\u805a\u7126\u771f\u5b9e\u6e90\u5730\u5740\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u4e8c\uff1a\u6eaf\u6e90\u76ee\u6807\u660e\u786e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8e\u6a21\u5757\u4e00\u5bf9 CDN \u4e0e\u6e90\u7ad9\u5173\u7cfb\u7684\u8ba4\u77e5\uff0c\u6211\u4eec\u63a5\u4e0b\u6765\u8981\u660e\u786e\u6eaf\u6e90\u7684\u5177\u4f53\u76ee\u6807\u2014\u2014\u627e\u5230\u6e90\u7ad9 IP\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u660e\u786e\u4fe1\u606f\u6536\u96c6\u9636\u6bb5\u7684\u6838\u5fc3\u76ee\u6807\uff1a\u4ece CDN \u4fdd\u62a4\u7684\u9634\u5f71\u4e2d\u5265\u79bb\u51fa\u7f51\u7ad9\u7684\u771f\u5b9e\u6e90\u7ad9 IP \u5730\u5740\u3002\u5728\u5b89\u5168\u8bc4\u4f30\u4e2d\uff0c\u53ea\u6709\u627e\u5230\u6e90\u7ad9 IP\uff0c\u624d\u80fd\u5168\u9762\u4e86\u89e3\u76ee\u6807\u7cfb\u7edf\u7684\u66b4\u9732\u9762\uff08\u5982\u5f00\u653e\u7aef\u53e3\u3001\u670d\u52a1\u7248\u672c\u3001\u6f0f\u6d1e\u7b49\uff09\u3002CDN \u7684\u5b58\u5728\u4f7f\u5f97\u76f4\u63a5\u8bbf\u95ee\u57df\u540d\u53ea\u80fd\u63a5\u89e6\u5230\u8fb9\u7f18\u8282\u70b9\uff0c\u65e0\u6cd5\u89e6\u53ca\u6e90\u7ad9\u3002\u56e0\u6b64\uff0c\u6eaf\u6e90\u7684\u76ee\u6807\u5c31\u662f\u901a\u8fc7\u5404\u79cd\u6280\u672f\u624b\u6bb5\uff0c\u5c06\u9690\u85cf\u5728 CDN \u80cc\u540e\u7684\u6e90\u7ad9 IP\u201c\u6316\u201d\u51fa\u6765\uff0c\u4e3a\u540e\u7eed\u5b89\u5168\u5206\u6790\u63d0\u4f9b\u51c6\u786e\u7684\u653b\u51fb\u9762\u4fe1\u606f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6e90\u7ad9 IP \u6cc4\u9732\u7684\u672c\u8d28\u662f CDN \u67b6\u6784\u4e2d\u7684\u4fe1\u606f\u4e0d\u5bf9\u79f0\u3002\u867d\u7136 CDN \u4ee3\u7406\u4e86\u7528\u6237\u8bf7\u6c42\uff0c\u4f46\u6e90\u7ad9\u4ecd\u9700\u4e0e CDN \u8282\u70b9\u901a\u4fe1\uff0c\u4e14\u53ef\u80fd\u5b58\u5728\u4ee5\u4e0b\u66b4\u9732\u8def\u5f84\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DNS \u5386\u53f2\u8bb0\u5f55<\/strong>\uff1a\u57df\u540d\u5728\u63a5\u5165 CDN \u524d\uff0c\u5176 A \u8bb0\u5f55\u76f4\u63a5\u6307\u5411\u6e90\u7ad9 IP\uff0c\u8fd9\u4e9b\u8bb0\u5f55\u53ef\u80fd\u88ab\u7b2c\u4e09\u65b9\u5b58\u6863\u3002<\/li>\n\n\n\n<li><strong>\u5b50\u57df\u540d\u89e3\u6790<\/strong>\uff1a\u90e8\u5206\u5b50\u57df\u540d\u53ef\u80fd\u672a\u7ecf\u8fc7 CDN \u4fdd\u62a4\uff0c\u76f4\u63a5\u89e3\u6790\u5230\u6e90\u7ad9\u6216\u540c\u4e00\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li><strong>SSL \u8bc1\u4e66\u900f\u660e\u5ea6<\/strong>\uff1a\u8bc1\u4e66\u9881\u53d1\u673a\u6784\u4f1a\u5c06\u7b7e\u53d1\u7684\u8bc1\u4e66\u8bb0\u5f55\u5728\u516c\u5171\u65e5\u5fd7\u4e2d\uff0c\u5176\u4e2d\u5305\u542b\u57df\u540d\u548c IP \u7684\u7ed1\u5b9a\u5173\u7cfb\uff08\u5c24\u5176\u662f\u591a\u57df\u540d\u8bc1\u4e66\u6216 IP \u8bc1\u4e66\uff09\u3002<\/li>\n\n\n\n<li><strong>\u90ae\u4ef6\u670d\u52a1\u5668<\/strong>\uff1a\u4f01\u4e1a\u90ae\u7bb1\u901a\u5e38\u7531\u81ea\u5efa\u90ae\u4ef6\u670d\u52a1\u5668\u5904\u7406\uff0c\u5176 MX \u8bb0\u5f55\u6307\u5411\u7684 IP \u53ef\u80fd\u672a\u7ecf\u8fc7 CDN\u3002<\/li>\n\n\n\n<li><strong>\u54cd\u5e94\u5934\u4e0e\u9519\u8bef\u9875\u9762<\/strong>\uff1a\u6e90\u7ad9\u8fd4\u56de\u7684 HTTP \u5934\uff08\u5982 <code>X-Forwarded-For<\/code>\u3001<code>Origin-IP<\/code>\uff09\u6216\u9519\u8bef\u9875\u4e2d\u7684\u8def\u5f84\u4fe1\u606f\u53ef\u80fd\u65e0\u610f\u95f4\u66b4\u9732 IP\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u7a7a\u95f4\u641c\u7d22\u5f15\u64ce<\/strong>\uff1aShodan\u3001Censys \u7b49\u6301\u7eed\u626b\u63cf\u5168\u7f51\uff0c\u53ef\u80fd\u6536\u5f55\u4e86\u5f00\u542f Web \u670d\u52a1\u7684\u6e90\u7ad9 IP\uff0c\u4e14\u4e0e\u57df\u540d\u5173\u8054\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u6ce8\uff1a\u4ee5\u4e0a\u8def\u5f84\u7684\u5177\u4f53\u539f\u7406\u5df2\u5728\u6a21\u5757\u4e00\u201c\u6280\u672f\u539f\u7406\u8bf4\u660e\u201d\u4e2d\u9610\u8ff0\uff0c\u6b64\u5904\u4ec5\u4ece\u6eaf\u6e90\u76ee\u6807\u89d2\u5ea6\u5217\u51fa\uff0c\u4e0d\u518d\u5c55\u5f00\u3002\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u56fe\u603b\u7ed3\u4e86\u8fd9\u4e9b\u66b4\u9732\u8def\u5f84\u53ca\u5176\u76f8\u4e92\u5173\u7cfb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe2\uff1a\u6e90\u7ad9IP\u6cc4\u9732\u8def\u5f84\u5206\u7c7b\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u6e90\u7ad9IP\u6cc4\u9732\u8def\u5f84\u5206\u7c7b\u56fe-1024x576.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u6e90\u7ad9IP\u6cc4\u9732\u8def\u5f84\u5206\u7c7b\u56fe-1024x576.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1833\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u4f4d\u4e8e\u57fa\u7840\u8ba4\u77e5\u4e4b\u540e\uff0c\u627f\u4e0a\u542f\u4e0b\u3002\u5b83\u660e\u786e\u4e86\u6eaf\u6e90\u5de5\u4f5c\u7684\u201c\u9776\u5fc3\u201d\uff0c\u5c06\u8ba4\u77e5\u8f6c\u5316\u4e3a\u5177\u4f53\u76ee\u6807\u3002\u540e\u7eed\u7684\u9632\u62a4\u7ed3\u6784\u62c6\u89e3\u3001\u65b9\u6cd5\u6a21\u578b\u3001\u64cd\u4f5c\u8def\u5f84\u90fd\u5c06\u56f4\u7ed5\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u5c55\u5f00\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u547d\u4ee4\u57fa\u4e8e\u6388\u6743\u76ee\u6807\uff08\u5982 <code>juice-shop.herokuapp.com<\/code>\uff09\u6f14\u793a\u53ef\u80fd\u7684\u6e90\u7ad9 IP \u6536\u96c6\u65b9\u6cd5\uff08\u6ce8\u610f\uff1a\u5b9e\u9645\u73af\u5883\u4e2d\u53ef\u80fd\u9700\u8981\u7ed3\u5408\u591a\u79cd\u6280\u672f\uff09\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u67e5\u8be2\u5386\u53f2DNS\u8bb0\u5f55\uff08\u4f7f\u7528\u5728\u7ebfAPI\uff0c\u6b64\u5904\u4ec5\u793a\u4f8b\u547d\u4ee4\u683c\u5f0f\uff09\ncurl \"https:\/\/api.securitytrails.com\/v1\/history\/example.com\/dns\/a\" -H \"APIKEY: your_key\"  # \u9700\u6ce8\u518c\n\n# \u5b50\u57df\u540d\u679a\u4e3e\uff08\u4f7f\u7528dnsrecon\uff09\ndnsrecon -d juice-shop.herokuapp.com -t std  # \u6807\u51c6\u679a\u4e3e\n\n# \u67e5\u8be2\u8bc1\u4e66\u900f\u660e\u5ea6\u65e5\u5fd7\uff08crt.sh\uff09\ncurl -s \"https:\/\/crt.sh\/?q=%.juice-shop.herokuapp.com&amp;output=json\" | jq .\n\n# \u67e5\u8be2MX\u8bb0\u5f55\uff0c\u83b7\u53d6\u90ae\u4ef6\u670d\u52a1\u5668IP\ndig juice-shop.herokuapp.com MX\n\n# \u4f7f\u7528Shodan\u547d\u4ee4\u884c\u5de5\u5177\uff08\u9700API\uff09\u641c\u7d22\u5173\u8054IP\nshodan search hostname:juice-shop.herokuapp.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u6ce8\u610f\uff1a\u5b9e\u9645\u4f7f\u7528\u65f6\uff0c\u5fc5\u987b\u786e\u4fdd\u62e5\u6709\u76ee\u6807\u6388\u6743\uff0c\u4e14 API \u8c03\u7528\u7b26\u5408\u670d\u52a1\u6761\u6b3e\u3002<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u5177\/\u65b9\u6cd5<\/th><th>\u9002\u7528\u573a\u666f<\/th><th>\u4f18\u70b9<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td>SecurityTrails<\/td><td>\u5386\u53f2DNS\u67e5\u8be2<\/td><td>\u6570\u636e\u5168\u9762\uff0c\u652f\u6301API\u6279\u91cf\u67e5\u8be2<\/td><td>\u90e8\u5206\u529f\u80fd\u9700\u4ed8\u8d39\uff0c\u4f9d\u8d56\u7b2c\u4e09\u65b9\u6570\u636e<\/td><\/tr><tr><td>dnsrecon<\/td><td>\u5b50\u57df\u540d\u679a\u4e3e<\/td><td>\u5f00\u6e90\u514d\u8d39\uff0c\u652f\u6301\u591a\u79cd\u679a\u4e3e\u65b9\u5f0f<\/td><td>\u901f\u5ea6\u8f83\u6162\uff0c\u53ef\u80fd\u88ab\u76ee\u6807\u5c01IP<\/td><\/tr><tr><td>crt.sh<\/td><td>SSL\u8bc1\u4e66\u67e5\u8be2<\/td><td>\u514d\u8d39\uff0c\u6570\u636e\u5b9e\u65f6\u6027\u9ad8\uff0c\u652f\u6301\u901a\u914d\u7b26<\/td><td>\u4ec5\u5305\u542b\u8bc1\u4e66\u5173\u8054\u4fe1\u606f\uff0c\u9700\u4e8c\u6b21\u7b5b\u9009<\/td><\/tr><tr><td>Shodan<\/td><td>\u7f51\u7edc\u7a7a\u95f4\u641c\u7d22<\/td><td>\u53ef\u76f4\u63a5\u641c\u7d22IP\u4e0a\u7684\u670d\u52a1\uff0c\u5feb\u901f\u5b9a\u4f4d<\/td><td>\u9700\u4ed8\u8d39API\uff0c\u6570\u636e\u6ede\u540e\u6027<\/td><\/tr><tr><td>dig MX<\/td><td>\u90ae\u4ef6\u670d\u52a1\u5668\u5b9a\u4f4d<\/td><td>\u547d\u4ee4\u7b80\u5355\uff0c\u7ed3\u679c\u53ef\u9760<\/td><td>\u4ec5\u9002\u7528\u4e8e\u5b58\u5728\u90ae\u4ef6\u670d\u52a1\u7684\u7ad9\u70b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6536\u96c6\u57df\u540d\u53d8\u4f53<\/strong>\uff1a\u5217\u51fa\u4e3b\u57df\u540d\u53ca\u6240\u6709\u5df2\u77e5\u5b50\u57df\u540d\uff08\u5982 <code>www<\/code>\u3001<code>mail<\/code>\u3001<code>ftp<\/code> \u7b49\uff09\u3002<\/li>\n\n\n\n<li><strong>\u67e5\u8be2\u5386\u53f2 DNS \u8bb0\u5f55<\/strong>\uff1a\u901a\u8fc7\u5728\u7ebf\u670d\u52a1\u6216\u672c\u5730\u5b58\u6863\uff0c\u83b7\u53d6\u57df\u540d\u5728\u63a5\u5165 CDN \u524d\u7684 A \u8bb0\u5f55\u3002<\/li>\n\n\n\n<li><strong>\u679a\u4e3e\u5b50\u57df\u540d<\/strong>\uff1a\u4f7f\u7528 dnsrecon\u3001Sublist3r \u7b49\u5de5\u5177\u679a\u4e3e\u5b50\u57df\u540d\uff0c\u5e76\u5bf9\u6bcf\u4e2a\u5b50\u57df\u540d\u8fdb\u884c A \u8bb0\u5f55\u67e5\u8be2\uff0c\u7b5b\u9009\u672a\u4f7f\u7528 CDN \u7684 IP\u3002<\/li>\n\n\n\n<li><strong>\u5229\u7528\u8bc1\u4e66\u900f\u660e\u5ea6<\/strong>\uff1a\u8bbf\u95ee crt.sh\uff0c\u67e5\u8be2\u57df\u540d\u76f8\u5173\u7684 SSL \u8bc1\u4e66\uff0c\u63d0\u53d6\u8bc1\u4e66\u4e2d\u7684 IP \u5730\u5740\u548c\u5173\u8054\u57df\u540d\u3002<\/li>\n\n\n\n<li><strong>\u5206\u6790\u90ae\u4ef6\u670d\u52a1\u5668<\/strong>\uff1a\u82e5\u76ee\u6807\u6709\u90ae\u4ef6\u670d\u52a1\uff0c\u67e5\u8be2 MX \u8bb0\u5f55\uff0c\u5bf9\u90ae\u4ef6\u670d\u52a1\u5668 IP \u8fdb\u884c\u53cd\u5411\u57df\u540d\u67e5\u8be2\uff0c\u786e\u8ba4\u662f\u5426\u4e0e\u4e3b\u7ad9\u540c\u6e90\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u7a7a\u95f4\u641c\u7d22\u5f15\u64ce<\/strong>\uff1a\u4f7f\u7528 Shodan\u3001Censys \u7b49\u641c\u7d22\u57df\u540d\u6216\u76f8\u5173 IP\uff0c\u67e5\u770b\u662f\u5426\u6709 IP \u5f00\u653e 80\/443 \u4e14\u8fd4\u56de\u76ee\u6807\u7f51\u7ad9\u5185\u5bb9\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u6bcf\u4e2a\u7591\u4f3c\u6e90\u7ad9 IP\uff0c\u9700\u9a8c\u8bc1\u5176\u662f\u5426\u771f\u5b9e\u627f\u8f7d\u76ee\u6807\u7f51\u7ad9\u3002\u9a8c\u8bc1\u65b9\u6cd5\uff1a\u76f4\u63a5\u8bbf\u95ee\u8be5 IP\uff08\u82e5\u4e3a HTTPS\uff0c\u9700\u5904\u7406\u8bc1\u4e66\u57df\u540d\u4e0d\u5339\u914d\u95ee\u9898\uff09\uff0c\u89c2\u5bdf\u8fd4\u56de\u5185\u5bb9\u662f\u5426\u4e0e\u76ee\u6807\u57df\u540d\u4e00\u81f4\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>curl -H \"Host: juice-shop.herokuapp.com\" http:\/\/&lt;\u7591\u4f3cIP&gt;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u82e5\u8fd4\u56de\u5185\u5bb9\u5305\u542b\u76ee\u6807\u7f51\u7ad9\u7279\u5f81\uff08\u5982\u6807\u9898\u3001\u7279\u5b9a\u5b57\u7b26\u4e32\uff09\uff0c\u5219\u53ef\u786e\u8ba4\u4e3a\u6e90\u7ad9\u3002\u6ce8\u610f\uff0c\u90e8\u5206\u670d\u52a1\u5668\u53ef\u80fd\u914d\u7f6e\u4e86\u865a\u62df\u4e3b\u673a\uff0c\u5fc5\u987b\u643a\u5e26\u6b63\u786e\u7684 <code>Host<\/code> \u5934\u624d\u80fd\u8bbf\u95ee\u5bf9\u5e94\u7ad9\u70b9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef1<\/strong>\uff1a\u5c06 CDN \u8282\u70b9 IP \u8bef\u8ba4\u4e3a\u6e90\u7ad9\u3002\u6392\u67e5\uff1a\u8282\u70b9 IP \u901a\u5e38\u5c5e\u4e8e CDN \u5382\u5546 ASN\uff0c\u4e14\u76f4\u63a5\u8bbf\u95ee\u53ef\u80fd\u8fd4\u56de CDN \u9519\u8bef\u9875\u6216\u7f13\u5b58\u5185\u5bb9\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef2<\/strong>\uff1a\u5ffd\u7565\u5b50\u57df\u540d\u4e0a\u7684 CDN\u3002\u6392\u67e5\uff1a\u8bb8\u591a\u5b50\u57df\u540d\u53ef\u80fd\u4e5f\u4f7f\u7528\u540c\u4e00 CDN\uff0c\u9700\u5bf9\u6bcf\u4e2a\u5b50\u57df\u540d\u91cd\u590d\u6eaf\u6e90\u6b65\u9aa4\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef3<\/strong>\uff1a\u8bc1\u4e66\u65e5\u5fd7\u4e2d\u7684 IP \u662f\u5386\u53f2 IP\uff0c\u5df2\u53d8\u66f4\u3002\u6392\u67e5\uff1a\u7ed3\u5408\u591a\u4e2a\u65f6\u95f4\u70b9\u7684\u8bc1\u4e66\uff0c\u8bc4\u4f30 IP \u7684\u65f6\u6548\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u6240\u6709\u64cd\u4f5c\u5fc5\u987b\u57fa\u4e8e\u5408\u6cd5\u6388\u6743\u3002\u5386\u53f2 DNS \u67e5\u8be2\u3001\u8bc1\u4e66\u65e5\u5fd7\u7b49\u5747\u5c5e\u516c\u5f00\u6570\u636e\uff0c\u53ef\u81ea\u7531\u83b7\u53d6\uff0c\u4f46\u4e0d\u5f97\u5bf9\u76ee\u6807\u7cfb\u7edf\u8fdb\u884c\u4e3b\u52a8\u626b\u63cf\u6216\u653b\u51fb\u3002\u82e5\u901a\u8fc7\u90ae\u4ef6\u670d\u52a1\u5668 IP \u53cd\u5411\u63a2\u6d4b\uff0c\u5e94\u4ec5\u505a\u57fa\u7840\u9a8c\u8bc1\uff0c\u907f\u514d\u89e6\u53d1\u90ae\u4ef6\u670d\u52a1\u5546\u7684\u5b89\u5168\u544a\u8b66\u3002\u4efb\u4f55\u7591\u4f3c\u6e90\u7ad9 IP \u7684\u9a8c\u8bc1\u5fc5\u987b\u4f7f\u7528 <code>Host<\/code> \u5934\uff0c\u4e0d\u5f97\u76f4\u63a5\u5bf9 IP \u8fdb\u884c\u6f0f\u6d1e\u626b\u63cf\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u660e\u786e\u4e86\u6eaf\u6e90\u7684\u6838\u5fc3\u76ee\u6807\u2014\u2014\u5265\u79bb CDN\uff0c\u83b7\u53d6\u6e90\u7ad9\u771f\u5b9e IP\uff0c\u5e76\u4ecb\u7ecd\u4e86\u591a\u79cd\u53ef\u80fd\u7684\u6cc4\u9732\u8def\u5f84\u53ca\u5bf9\u5e94\u7684\u67e5\u8be2\u65b9\u6cd5\u3002\u638c\u63e1\u8fd9\u4e9b\u6280\u672f\u540e\uff0c\u5373\u53ef\u8fdb\u5165\u4e0b\u4e00\u6a21\u5757\uff0c\u6df1\u5165\u62c6\u89e3 CDN \u9632\u62a4\u4f53\u7cfb\u7684\u7ec4\u6210\u8981\u7d20\uff0c\u7406\u89e3\u4fe1\u606f\u6cc4\u9732\u70b9\u7684\u5177\u4f53\u539f\u7406\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u4e09\uff1a\u9632\u62a4\u7ed3\u6784\u62c6\u89e3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u660e\u786e\u4e86\u6eaf\u6e90\u76ee\u6807\u540e\uff0c\u6211\u4eec\u9700\u8981\u6df1\u5165\u7406\u89e3 CDN \u9632\u62a4\u4f53\u7cfb\u7684\u6784\u6210\uff0c\u4ee5\u8bc6\u522b\u53ef\u80fd\u7684\u4fe1\u606f\u6cc4\u9732\u70b9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u89e3\u6790 CDN \u9632\u62a4\u4f53\u7cfb\u7684\u7ec4\u6210\u8981\u7d20\uff0c\u63ed\u793a\u5176\u4e2d\u53ef\u80fd\u5b58\u5728\u7684\u6f5c\u5728\u4fe1\u606f\u6cc4\u9732\u70b9\u3002CDN \u5e76\u975e\u5355\u4e00\u7ec4\u4ef6\uff0c\u800c\u662f\u4e00\u4e2a\u7531 DNS\u3001\u8fb9\u7f18\u8282\u70b9\u3001\u7f13\u5b58\u7b56\u7565\u3001\u6e90\u7ad9\u914d\u7f6e\u7b49\u6784\u6210\u7684\u590d\u6742\u7cfb\u7edf\u3002\u6df1\u5165\u7406\u89e3\u6bcf\u4e2a\u90e8\u5206\u7684\u529f\u80fd\u53ca\u4ea4\u4e92\uff0c\u6709\u52a9\u4e8e\u51c6\u786e\u627e\u5230\u4fe1\u606f\u6cc4\u9732\u7684\u201c\u88c2\u7f1d\u201d\uff0c\u4e3a\u6eaf\u6e90\u63d0\u4f9b\u7cbe\u786e\u7684\u5207\u5165\u70b9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">CDN \u9632\u62a4\u4f53\u7cfb\u901a\u5e38\u5305\u542b\u4ee5\u4e0b\u7ec4\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DNS \u89e3\u6790\u5c42<\/strong>\uff1a\u8d1f\u8d23\u5c06\u57df\u540d\u89e3\u6790\u5230\u6700\u8fd1\u7684\u8fb9\u7f18\u8282\u70b9\u3002\u82e5 DNS \u914d\u7f6e\u4e0d\u5f53\uff08\u5982\u5c06\u6e90\u7ad9 IP \u540c\u65f6\u4f5c\u4e3a A \u8bb0\u5f55\u8fd4\u56de\uff09\uff0c\u6216\u5141\u8bb8\u533a\u57df\u4f20\u8f93\uff08AXFR\uff09\uff0c\u5219\u53ef\u80fd\u6cc4\u9732\u6e90\u7ad9\u3002<\/li>\n\n\n\n<li><strong>\u8fb9\u7f18\u8282\u70b9\u5c42<\/strong>\uff1a\u5206\u5e03\u5f0f\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u7f13\u5b58\u5185\u5bb9\u5e76\u56de\u6e90\u3002\u8282\u70b9\u5728\u5904\u7406\u8bf7\u6c42\u65f6\uff0c\u53ef\u80fd\u4ea7\u751f\u5305\u542b\u6e90\u7ad9 IP \u7684\u54cd\u5e94\u5934\uff08\u5982 <code>Via<\/code>\u3001<code>X-Cache<\/code>\u3001<code>X-Backend<\/code>\uff09\u6216\u9519\u8bef\u4fe1\u606f\uff08\u5982 <code>504 Gateway Timeout<\/code> \u65f6\u66b4\u9732\u540e\u7aef IP\uff09\u3002<\/li>\n\n\n\n<li><strong>\u56de\u6e90\u7b56\u7565<\/strong>\uff1a\u5b9a\u4e49\u8fb9\u7f18\u8282\u70b9\u5982\u4f55\u4e0e\u6e90\u7ad9\u901a\u4fe1\u3002\u82e5\u4f7f\u7528 HTTP \u56de\u6e90\u800c\u975e HTTPS\uff0c\u5219\u4e2d\u95f4\u7f51\u7edc\u53ef\u80fd\u88ab\u55c5\u63a2\uff1b\u82e5\u6e90\u7ad9 IP \u8303\u56f4\u56fa\u5b9a\uff0c\u5219\u53ef\u80fd\u88ab\u626b\u63cf\u53d1\u73b0\u3002<\/li>\n\n\n\n<li><strong>\u6e90\u7ad9\u914d\u7f6e<\/strong>\uff1a\u6e90\u7ad9\u670d\u52a1\u5668\u672c\u8eab\u53ef\u80fd\u56e0\u9519\u8bef\u914d\u7f6e\uff08\u5982\u76f4\u63a5\u5bf9\u5916\u54cd\u5e94\u3001\u5f00\u542f\u76ee\u5f55\u7d22\u5f15\uff09\u800c\u66b4\u9732 IP\u3002\u6b64\u5916\uff0c\u82e5\u6e90\u7ad9\u540c\u65f6\u6258\u7ba1\u5176\u4ed6\u672a\u7ecf\u8fc7 CDN \u7684\u7ad9\u70b9\uff0c\u5219\u53ef\u901a\u8fc7\u90a3\u4e9b\u7ad9\u70b9\u7684 IP \u5173\u8054\u5230\u76ee\u6807\u3002<\/li>\n\n\n\n<li><strong>SSL\/TLS \u8bc1\u4e66<\/strong>\uff1a\u6e90\u7ad9\u4e0e CDN \u4e4b\u95f4\u53ef\u80fd\u4f7f\u7528\u5171\u4eab\u8bc1\u4e66\u6216\u5355\u72ec\u8bc1\u4e66\uff0c\u8bc1\u4e66\u4e2d\u7684 Subject Alternative Names (SAN) \u53ef\u80fd\u5305\u542b\u5176\u4ed6\u57df\u540d\uff0c\u4ece\u800c\u66b4\u9732\u5173\u8054 IP\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u56fe\u5c55\u793a\u4e86\u8fd9\u4e9b\u7ec4\u4ef6\u53ca\u5176\u4e4b\u95f4\u7684\u4fe1\u606f\u6d41\u52a8\uff0c\u5e76\u6807\u6ce8\u4e86\u53ef\u80fd\u53d1\u751f\u6cc4\u9732\u7684\u73af\u8282\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe3\uff1aCDN\u9632\u62a4\u7ed3\u6784\u7ec4\u4ef6\u4e0e\u4fe1\u606f\u6cc4\u9732\u70b9<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/CDN\u9632\u62a4\u7ed3\u6784\u7ec4\u4ef6\u4e0e\u4fe1\u606f\u6cc4\u9732\u70b9-1024x692.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"692\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/CDN\u9632\u62a4\u7ed3\u6784\u7ec4\u4ef6\u4e0e\u4fe1\u606f\u6cc4\u9732\u70b9-1024x692.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1834\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u4f4d\u4e8e\u76ee\u6807\u660e\u786e\u4e4b\u540e\uff0c\u65b9\u6cd5\u6a21\u578b\u4e4b\u524d\u3002\u901a\u8fc7\u5bf9\u9632\u62a4\u7ed3\u6784\u7684\u62c6\u89e3\uff0c\u4e3a\u540e\u7eed\u5f52\u7eb3\u6eaf\u6e90\u65b9\u6cd5\u63d0\u4f9b\u7406\u8bba\u57fa\u7840\uff0c\u4f7f\u5b66\u4e60\u8005\u80fd\u591f\u4ece\u201c\u4e3a\u4ec0\u4e48\u80fd\u6cc4\u9732\u201d\u7684\u89d2\u5ea6\u7406\u89e3\u6bcf\u79cd\u65b9\u6cd5\u7684\u539f\u7406\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u547d\u4ee4\u7528\u4e8e\u63a2\u6d4b\u76ee\u6807 CDN \u9632\u62a4\u7ed3\u6784\u7684\u7279\u5f81\uff0c\u4ece\u800c\u53d1\u73b0\u6f5c\u5728\u6cc4\u9732\u70b9\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u67e5\u770bHTTP\u54cd\u5e94\u5934\uff0c\u5bfb\u627eCDN\u6807\u8bc6\u548c\u53ef\u80fd\u6cc4\u9732\u7684\u5b57\u6bb5\ncurl -I https:\/\/testphp.vulnweb.com\n\n# \u89e6\u53d1\u9519\u8bef\u9875\u9762\uff0c\u89c2\u5bdf\u662f\u5426\u66b4\u9732\u540e\u7aef\u4fe1\u606f\uff08\u5982\u8d85\u65f6\u9519\u8bef\uff09\ncurl -X GET https:\/\/testphp.vulnweb.com\/nonexistent\n\n# \u4f7f\u7528OpenSSL\u83b7\u53d6\u670d\u52a1\u5668\u8bc1\u4e66\u4fe1\u606f\nopenssl s_client -connect testphp.vulnweb.com:443 -servername testphp.vulnweb.com 2&gt;\/dev\/null | openssl x509 -text | grep -E \"Subject:|DNS:\"\n\n# \u5c1d\u8bd5DNS\u533a\u57df\u4f20\u8f93\uff08\u9700\u6388\u6743\uff0c\u6b64\u5904\u4ec5\u4e3a\u6f14\u793a\u547d\u4ee4\u683c\u5f0f\uff09\ndig axfr testphp.vulnweb.com @ns1.example.com  # \u5b9e\u9645\u4e2d\u6781\u5c11\u6210\u529f<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u6ce8\u610f\uff1a\u89e6\u53d1\u9519\u8bef\u9875\u9762\u65f6\u5e94\u907f\u514d\u8fc7\u4e8e\u9891\u7e41\uff0c\u9632\u6b62\u89e6\u53d1\u5b89\u5168\u9632\u62a4\u3002<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u5177<\/th><th>\u9002\u7528\u573a\u666f<\/th><th>\u4f18\u70b9<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td><code>curl<\/code><\/td><td>HTTP\/HTTPS\u4ea4\u4e92\u6d4b\u8bd5<\/td><td>\u7075\u6d3b\u63a7\u5236\u8bf7\u6c42\u5934\u3001\u65b9\u6cd5\uff0c\u652f\u6301\u8f93\u51fa\u89e3\u6790<\/td><td>\u9700\u624b\u52a8\u5206\u6790\u8f93\u51fa\uff0c\u4e0d\u9002\u5408\u81ea\u52a8\u5316<\/td><\/tr><tr><td><code>openssl<\/code><\/td><td>SSL\u8bc1\u4e66\u5206\u6790<\/td><td>\u6df1\u5165\u67e5\u770b\u8bc1\u4e66\u8be6\u60c5\uff0c\u63d0\u53d6SAN\u5b57\u6bb5<\/td><td>\u547d\u4ee4\u590d\u6742\uff0c\u9700\u4e86\u89e3\u8bc1\u4e66\u7ed3\u6784<\/td><\/tr><tr><td><code>nmap<\/code><\/td><td>\u7aef\u53e3\u626b\u63cf\u4e0e\u670d\u52a1\u8bc6\u522b<\/td><td>\u53ef\u63a2\u6d4b\u6e90\u7ad9IP\u4e0a\u7684\u5f00\u653e\u7aef\u53e3\uff0c\u5224\u65ad\u670d\u52a1\u7c7b\u578b<\/td><td>\u9700\u660e\u786e\u76ee\u6807IP\uff0c\u626b\u63cf\u884c\u4e3a\u53ef\u80fd\u88ab\u89c6\u4e3a\u653b\u51fb<\/td><\/tr><tr><td><code>Burp Suite<\/code><\/td><td>\u62e6\u622a\u4ee3\u7406\uff0c\u5206\u6790\u8bf7\u6c42\/\u54cd\u5e94<\/td><td>\u56fe\u5f62\u5316\uff0c\u53ef\u6355\u83b7\u5b8c\u6574\u8bf7\u6c42\u94fe<\/td><td>\u9700\u914d\u7f6e\u4ee3\u7406\uff0c\u9002\u5408\u4eba\u5de5\u5206\u6790<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6536\u96c6\u54cd\u5e94\u5934\u4fe1\u606f<\/strong>\uff1a\u4f7f\u7528 <code>curl -I<\/code> \u83b7\u53d6\u76ee\u6807\u57df\u540d\u54cd\u5e94\u5934\uff0c\u8bb0\u5f55 <code>Server<\/code>\u3001<code>Via<\/code>\u3001<code>X-Cache<\/code>\u3001<code>CF-Ray<\/code> \u7b49\u5b57\u6bb5\uff0c\u5224\u65ad CDN \u670d\u52a1\u5546\u53ca\u7248\u672c\u3002<\/li>\n\n\n\n<li><strong>\u5206\u6790\u9519\u8bef\u9875\u9762<\/strong>\uff1a\u5c1d\u8bd5\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u8def\u5f84\uff0c\u67e5\u770b\u8fd4\u56de\u7684\u9519\u8bef\u9875\u4e2d\u662f\u5426\u5305\u542b\u6e90\u7ad9 IP\u3001\u5185\u90e8\u8def\u5f84\u6216\u540e\u7aef\u670d\u52a1\u5668\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong>\u68c0\u67e5 SSL \u8bc1\u4e66<\/strong>\uff1a\u4f7f\u7528 <code>openssl<\/code> \u6216\u5728\u7ebf\u5de5\u5177\uff08\u5982 crt.sh\uff09\u83b7\u53d6\u8bc1\u4e66\uff0c\u67e5\u770b SAN \u5b57\u6bb5\u4e2d\u662f\u5426\u5305\u542b\u5176\u4ed6\u57df\u540d\uff0c\u8fd9\u4e9b\u57df\u540d\u53ef\u80fd\u6307\u5411\u540c\u4e00 IP\u3002<\/li>\n\n\n\n<li><strong>\u63a2\u6d4b\u5b50\u57df\u540d\u89e3\u6790\u5dee\u5f02<\/strong>\uff1a\u5bf9\u679a\u4e3e\u51fa\u7684\u5b50\u57df\u540d\u5206\u522b\u6267\u884c DNS \u67e5\u8be2\uff0c\u89c2\u5bdf\u54ea\u4e9b\u5b50\u57df\u540d\u76f4\u63a5\u89e3\u6790\u5230\u6e90\u7ad9 IP\uff08\u53ef\u80fd\u672a\u7ecf\u8fc7 CDN\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5206\u6790\u56de\u6e90\u884c\u4e3a<\/strong>\uff1a\u901a\u8fc7\u4fee\u6539 <code>Host<\/code> \u5934\u76f4\u63a5\u8bbf\u95ee\u7591\u4f3c\u6e90\u7ad9 IP\uff0c\u89c2\u5bdf\u54cd\u5e94\u662f\u5426\u4e0e\u76ee\u6807\u57df\u540d\u4e00\u81f4\uff0c\u4ee5\u9a8c\u8bc1\u6e90\u7ad9 IP \u7684\u771f\u5b9e\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u9a8c\u8bc1\u54cd\u5e94\u5934\u4e2d\u7684\u4fe1\u606f\u662f\u5426\u771f\u5b9e\uff1a\u4f8b\u5982\uff0c\u82e5 <code>Via<\/code> \u5934\u51fa\u73b0 <code>1.1 varnish-v4<\/code>\uff0c\u53ef\u5224\u65ad\u4f7f\u7528\u4e86 Varnish \u7f13\u5b58\uff0c\u4f46\u8be5\u5934\u4e5f\u53ef\u80fd\u88ab\u4f2a\u9020\u3002\u66f4\u53ef\u9760\u7684\u662f\u7ed3\u5408\u591a\u4e2a\u7279\u5f81\uff0c\u5982\u540c\u65f6\u5b58\u5728 <code>CF-Cache-Status<\/code> \u548c <code>Server: cloudflare<\/code>\uff0c\u5219\u53ef\u786e\u8ba4 Cloudflare\u3002\u5bf9\u4e8e\u9519\u8bef\u9875\u4e2d\u7684 IP\uff0c\u53ef\u8fdb\u884c\u53cd\u5411\u57df\u540d\u67e5\u8be2\uff0c\u786e\u8ba4\u5176\u57df\u540d\u89e3\u6790\u5173\u7cfb\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef1<\/strong>\uff1a\u5c06\u7f13\u5b58\u8282\u70b9\u4fe1\u606f\u5f53\u4f5c\u6e90\u7ad9\u4fe1\u606f\u3002\u6392\u67e5\uff1a\u8282\u70b9\u4fe1\u606f\u901a\u5e38\u51fa\u73b0\u5728 <code>Via<\/code>\u3001<code>X-Cache<\/code> \u4e2d\uff0c\u800c\u6e90\u7ad9\u4fe1\u606f\u53ef\u80fd\u5728 <code>X-Backend<\/code>\u3001<code>Origin-IP<\/code> \u7b49\u79c1\u6709\u5934\u4e2d\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef2<\/strong>\uff1a\u5ffd\u7565\u8bc1\u4e66\u4e2d\u7684\u8fc7\u671f\u6216\u5386\u53f2\u4fe1\u606f\u3002\u6392\u67e5\uff1a\u8bc1\u4e66\u65e5\u5fd7\u4e2d\u7684\u4fe1\u606f\u53ef\u80fd\u5df2\u5931\u6548\uff0c\u9700\u7ed3\u5408\u5f53\u524d\u65f6\u95f4\u5224\u65ad\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef3<\/strong>\uff1a\u9519\u8bef\u9875\u9762\u53ef\u80fd\u7531 CDN \u8fd4\u56de\u800c\u975e\u6e90\u7ad9\u3002\u6392\u67e5\uff1aCDN \u8fd4\u56de\u7684\u9519\u8bef\u9875\u901a\u5e38\u5e26\u6709\u5382\u5546\u6807\u8bc6\uff0c\u6e90\u7ad9\u8fd4\u56de\u7684\u9519\u8bef\u9875\u66f4\u539f\u59cb\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u64cd\u4f5c\u5e94\u4ec5\u9650\u4e8e\u5206\u6790\u516c\u5f00\u53ef\u89c1\u7684\u54cd\u5e94\u5934\u548c\u8bc1\u4e66\u4fe1\u606f\uff0c\u4e0d\u5f97\u8fdb\u884c\u4e3b\u52a8\u626b\u63cf\u6216\u5229\u7528\u9519\u8bef\u9875\u8fdb\u884c\u6ce8\u5165\u6d4b\u8bd5\u3002\u5bf9\u7591\u4f3c\u6e90\u7ad9 IP \u7684\u63a2\u6d4b\u5fc5\u987b\u4f7f\u7528 <code>Host<\/code> \u5934\uff0c\u4e14\u4ec5\u7528\u4e8e\u9a8c\u8bc1\uff0c\u4e0d\u5f97\u8fdb\u884c\u7aef\u53e3\u626b\u63cf\u6216\u6f0f\u6d1e\u5229\u7528\u3002\u82e5\u5728\u54cd\u5e94\u5934\u4e2d\u610f\u5916\u53d1\u73b0\u5185\u90e8 IP\uff0c\u5e94\u7acb\u5373\u505c\u6b62\u64cd\u4f5c\u5e76\u62a5\u544a\u7ed9\u76f8\u5173\u65b9\uff08\u5728\u6388\u6743\u8303\u56f4\u5185\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u62c6\u89e3 CDN \u9632\u62a4\u7ed3\u6784\uff0c\u6211\u4eec\u8bc6\u522b\u4e86\u591a\u4e2a\u6f5c\u5728\u4fe1\u606f\u6cc4\u9732\u70b9\uff0c\u5305\u62ec\u54cd\u5e94\u5934\u3001\u9519\u8bef\u9875\u9762\u3001SSL \u8bc1\u4e66\u7b49\u3002\u8fd9\u4e9b\u6cc4\u9732\u70b9\u6b63\u662f\u540e\u7eed\u6eaf\u6e90\u65b9\u6cd5\u6a21\u578b\u7684\u201c\u6570\u636e\u6e90\u201d\u3002\u4e0b\u4e00\u6a21\u5757\u5c06\u5f52\u7eb3\u4ece\u8fd9\u4e9b\u6570\u636e\u6e90\u4e2d\u5b9a\u4f4d\u6e90\u5730\u5740\u7684\u901a\u7528\u6a21\u578b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u56db\uff1a\u6eaf\u6e90\u65b9\u6cd5\u6a21\u578b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u5bf9 CDN \u9632\u62a4\u7ed3\u6784\u7684\u62c6\u89e3\uff0c\u6211\u4eec\u53d1\u73b0\u4e86\u591a\u4e2a\u6f5c\u5728\u6cc4\u9732\u70b9\u3002\u73b0\u5728\uff0c\u6211\u4eec\u5f52\u7eb3\u51fa\u901a\u7528\u7684\u6eaf\u6e90\u65b9\u6cd5\u6a21\u578b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5f52\u7eb3\u603b\u7ed3\u4ece\u516c\u5f00\u6570\u636e\u4e0e\u54cd\u5e94\u7279\u5f81\u4e2d\u5b9a\u4f4d\u6e90\u7ad9 IP \u7684\u901a\u7528\u6a21\u578b\u3002\u9762\u5bf9 CDN \u9632\u62a4\uff0c\u6eaf\u6e90\u5e76\u975e\u65e0\u7ae0\u53ef\u5faa\uff0c\u800c\u662f\u53ef\u4ee5\u5f52\u7eb3\u4e3a\u51e0\u79cd\u5178\u578b\u7684\u65b9\u6cd5\u6a21\u578b\uff0c\u6bcf\u79cd\u6a21\u578b\u5bf9\u5e94\u4e00\u7c7b\u4fe1\u606f\u6cc4\u9732\u8def\u5f84\u3002\u7406\u89e3\u8fd9\u4e9b\u6a21\u578b\uff0c\u6709\u52a9\u4e8e\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\u7cfb\u7edf\u6027\u5730\u5e94\u7528\u5de5\u5177\uff0c\u63d0\u9ad8\u6eaf\u6e90\u6548\u7387\u548c\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6eaf\u6e90\u65b9\u6cd5\u6a21\u578b\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DNS \u5386\u53f2\u8bb0\u5f55\u6a21\u578b<\/strong>\uff1a\u5229\u7528\u57df\u540d\u5728\u63a5\u5165 CDN \u524d\u7684 A \u8bb0\u5f55\u5b58\u6863\uff0c\u76f4\u63a5\u83b7\u53d6\u6e90\u7ad9 IP\u3002\u539f\u7406\u662f\u7b2c\u4e09\u65b9\u670d\u52a1\uff08\u5982 SecurityTrails\u3001Archive.org\uff09\u4f1a\u5b9a\u671f\u6293\u53d6 DNS \u6570\u636e\u5e76\u4fdd\u5b58\u3002<\/li>\n\n\n\n<li><strong>\u5b50\u57df\u540d\u679a\u4e3e\u6a21\u578b<\/strong>\uff1a\u901a\u8fc7\u66b4\u529b\u679a\u4e3e\u6216\u5b57\u5178\u731c\u6d4b\uff0c\u627e\u5230\u672a\u4f7f\u7528 CDN \u7684\u5b50\u57df\u540d\uff0c\u8fd9\u4e9b\u5b50\u57df\u540d\u53ef\u80fd\u89e3\u6790\u5230\u4e0e\u4e3b\u7ad9\u76f8\u540c\u7684\u6e90\u7ad9 IP\u3002\u539f\u7406\u662f\u7ba1\u7406\u5458\u5e38\u5fd8\u8bb0\u5c06\u6240\u6709\u5b50\u57df\u540d\u63a5\u5165 CDN\u3002<\/li>\n\n\n\n<li><strong>SSL \u8bc1\u4e66\u900f\u660e\u5ea6\u6a21\u578b<\/strong>\uff1a\u4ece\u8bc1\u4e66\u65e5\u5fd7\u4e2d\u63d0\u53d6\u4e0e\u76ee\u6807\u57df\u540d\u76f8\u5173\u8054\u7684 IP \u5730\u5740\u3002\u539f\u7406\u662f\u8bc1\u4e66\u5728\u7b7e\u53d1\u65f6\u4f1a\u88ab\u8bb0\u5f55\uff0c\u5176\u4e2d\u53ef\u80fd\u5305\u542b IP \u5730\u5740\u6216\u4e0e\u76ee\u6807\u5171\u7528\u540c\u4e00\u8bc1\u4e66\u7684\u5176\u4ed6\u57df\u540d\uff0c\u518d\u901a\u8fc7\u90a3\u4e9b\u57df\u540d\u53cd\u67e5 IP\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u7a7a\u95f4\u641c\u7d22\u5f15\u64ce\u6a21\u578b<\/strong>\uff1a\u5229\u7528\u641c\u7d22\u5f15\u64ce\uff08\u5982 Shodan\u3001Censys\uff09\u5bf9\u5168\u7f51 IP \u7684\u6301\u7eed\u626b\u63cf\u6570\u636e\uff0c\u901a\u8fc7\u641c\u7d22\u76ee\u6807\u57df\u540d\u7684\u7279\u5f81\uff08\u5982 HTML \u6807\u9898\u3001\u7279\u5b9a\u54cd\u5e94\u5934\uff09\u6765\u53cd\u5411\u5b9a\u4f4d IP\u3002\u539f\u7406\u662f\u8fd9\u4e9b\u5f15\u64ce\u4f1a\u91c7\u96c6\u5f00\u653e\u670d\u52a1\u7684\u6307\u7eb9\u3002<\/li>\n\n\n\n<li><strong>\u90ae\u4ef6\u670d\u52a1\u5668\u6a21\u578b<\/strong>\uff1a\u901a\u8fc7 MX \u8bb0\u5f55\u5b9a\u4f4d\u90ae\u4ef6\u670d\u52a1\u5668 IP\uff0c\u518d\u5224\u65ad\u8be5 IP \u662f\u5426\u4e5f\u6258\u7ba1 Web \u670d\u52a1\u3002\u539f\u7406\u662f\u4f01\u4e1a\u5e38\u5c06\u90ae\u4ef6\u548c Web \u670d\u52a1\u90e8\u7f72\u5728\u540c\u4e00\u670d\u52a1\u5668\u6216\u540c\u4e00\u7f51\u6bb5\uff0c\u4e14\u90ae\u4ef6\u670d\u52a1\u5668\u5f80\u5f80\u4e0d\u7ecf\u8fc7 CDN\u3002<\/li>\n\n\n\n<li><strong>\u54cd\u5e94\u7279\u5f81\u6a21\u578b<\/strong>\uff1a\u901a\u8fc7\u5206\u6790 HTTP \u54cd\u5e94\u5934\u3001\u9519\u8bef\u9875\u4e2d\u7684\u540e\u7aef\u4fe1\u606f\uff0c\u76f4\u63a5\u6216\u95f4\u63a5\u83b7\u53d6 IP\u3002\u539f\u7406\u662f\u670d\u52a1\u5668\u914d\u7f6e\u9519\u8bef\u6216 CDN \u914d\u7f6e\u4e0d\u5f53\uff0c\u5bfc\u81f4\u540e\u7aef\u4fe1\u606f\u88ab\u4f20\u9012\u5230\u524d\u7aef\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u56fe\u4ee5\u601d\u7ef4\u5bfc\u56fe\u5f62\u5f0f\u5f52\u7eb3\u4e86\u8fd9\u516d\u79cd\u6a21\u578b\u53ca\u5176\u6838\u5fc3\u539f\u7406\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe4\uff1a\u6eaf\u6e90\u65b9\u6cd5\u6a21\u578b\u5206\u7c7b\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u6eaf\u6e90\u65b9\u6cd5\u6a21\u578b\u5206\u7c7b\u56fe-1024x484.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"484\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u6eaf\u6e90\u65b9\u6cd5\u6a21\u578b\u5206\u7c7b\u56fe-1024x484.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1835\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u662f\u65b9\u6cd5\u8bba\u7684\u6838\u5fc3\uff0c\u4f4d\u4e8e\u9632\u62a4\u7ed3\u6784\u62c6\u89e3\u4e4b\u540e\uff0c\u64cd\u4f5c\u8def\u5f84\u5f62\u6210\u4e4b\u524d\u3002\u5b83\u5c06\u524d\u5e8f\u7684\u201c\u6cc4\u9732\u70b9\u201d\u8f6c\u5316\u4e3a\u53ef\u6267\u884c\u7684\u201c\u65b9\u6cd5\u201d\uff0c\u4e3a\u6784\u5efa\u591a\u89d2\u5ea6\u534f\u540c\u7684\u64cd\u4f5c\u6d41\u7a0b\u63d0\u4f9b\u6846\u67b6\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u547d\u4ee4\u793a\u4f8b\u57fa\u4e8e\u6388\u6743\u76ee\u6807\uff0c\u6f14\u793a\u5404\u6a21\u578b\u7684\u5177\u4f53\u64cd\u4f5c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># DNS\u5386\u53f2\u8bb0\u5f55\u6a21\u578b\uff08\u9700API\uff0c\u6b64\u5904\u4ec5\u793a\u610f\uff09\ncurl \"https:\/\/api.securitytrails.com\/v1\/history\/testphp.vulnweb.com\/dns\/a\" -H \"APIKEY: your_key\"\n\n# \u5b50\u57df\u540d\u679a\u4e3e\u6a21\u578b\ndnsrecon -d testphp.vulnweb.com -D \/usr\/share\/wordlists\/dns\/subdomains-top1million-5000.txt -t brt\n\n# SSL\u8bc1\u4e66\u900f\u660e\u5ea6\u6a21\u578b\ncurl -s \"https:\/\/crt.sh\/?q=%.testphp.vulnweb.com&amp;output=json\" | jq -r '.&#91;].name_value' | sort -u\n\n# \u7f51\u7edc\u7a7a\u95f4\u641c\u7d22\u5f15\u64ce\u6a21\u578b\uff08\u4ee5Censys\u4e3a\u4f8b\uff0c\u9700API\uff09\ncensys search \"testphp.vulnweb.com\" --index-type hosts\n\n# \u90ae\u4ef6\u670d\u52a1\u5668\u6a21\u578b\ndig testphp.vulnweb.com MX\n\n# \u54cd\u5e94\u7279\u5f81\u6a21\u578b\uff08\u624b\u52a8\u5206\u6790\uff09\ncurl -I testphp.vulnweb.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u6ce8\u610f\uff1a\u5b50\u57df\u540d\u679a\u4e3e\u53ef\u80fd\u4ea7\u751f\u5927\u91cf\u8bf7\u6c42\uff0c\u5e94\u63a7\u5236\u901f\u5ea6\u3002<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6a21\u578b<\/th><th>\u4ee3\u8868\u5de5\u5177<\/th><th>\u9002\u7528\u573a\u666f<\/th><th>\u4f18\u70b9<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td>DNS\u5386\u53f2\u8bb0\u5f55<\/td><td>SecurityTrails\u3001ViewDNS<\/td><td>\u57df\u540d\u8f83\u8001\uff0c\u63a5\u5165CDN\u65f6\u95f4\u4e0d\u957f<\/td><td>\u76f4\u63a5\u83b7\u53d6\u5386\u53f2IP\uff0c\u51c6\u786e\u6027\u9ad8<\/td><td>\u4f9d\u8d56\u7b2c\u4e09\u65b9\u6570\u636e\uff0c\u514d\u8d39\u989d\u5ea6\u6709\u9650<\/td><\/tr><tr><td>\u5b50\u57df\u540d\u679a\u4e3e<\/td><td>dnsrecon\u3001Sublist3r<\/td><td>\u5b50\u57df\u540d\u6570\u91cf\u591a\uff0c\u4e14\u90e8\u5206\u672a\u7528CDN<\/td><td>\u8986\u76d6\u8303\u56f4\u5e7f\uff0c\u53ef\u80fd\u53d1\u73b0\u610f\u5916\u5165\u53e3<\/td><td>\u8017\u65f6\uff0c\u53ef\u80fd\u6f0f\u6389\u51b7\u95e8\u5b50\u57df\u540d<\/td><\/tr><tr><td>SSL\u8bc1\u4e66\u900f\u660e\u5ea6<\/td><td>crt.sh\u3001censys certificate<\/td><td>\u76ee\u6807\u4f7f\u7528\u591a\u57df\u540d\u8bc1\u4e66\u6216\u9891\u7e41\u66f4\u65b0\u8bc1\u4e66<\/td><td>\u6570\u636e\u5b9e\u65f6\uff0c\u514d\u8d39<\/td><td>\u9700\u4e8c\u6b21\u89e3\u6790\uff0cIP\u53ef\u80fd\u5df2\u53d8\u66f4<\/td><\/tr><tr><td>\u7f51\u7edc\u7a7a\u95f4\u641c\u7d22<\/td><td>Shodan\u3001Censys\u3001ZoomEye<\/td><td>\u9700\u8981\u5feb\u901f\u5b9a\u4f4d\u5168\u7f51IP\u4e0a\u7684\u670d\u52a1<\/td><td>\u529f\u80fd\u5f3a\u5927\uff0c\u652f\u6301\u590d\u6742\u67e5\u8be2<\/td><td>\u4ed8\u8d39\uff0c\u6570\u636e\u975e\u5b9e\u65f6<\/td><\/tr><tr><td>\u90ae\u4ef6\u670d\u52a1\u5668<\/td><td>dig MX\u3001smtp\u626b\u63cf<\/td><td>\u4f01\u4e1a\u81ea\u5efa\u90ae\u4ef6\u7cfb\u7edf<\/td><td>\u7b80\u5355\u6709\u6548<\/td><td>\u4ec5\u9002\u7528\u4e8e\u6709\u90ae\u4ef6\u670d\u52a1\u7684\u7ad9\u70b9<\/td><\/tr><tr><td>\u54cd\u5e94\u7279\u5f81<\/td><td>curl\u3001Burp Suite<\/td><td>\u76ee\u6807\u914d\u7f6e\u9519\u8bef\u6216CDN\u4fe1\u606f\u6cc4\u9732<\/td><td>\u65e0\u9700\u7b2c\u4e09\u65b9\uff0c\u76f4\u63a5\u83b7\u53d6<\/td><td>\u6982\u7387\u6027\u4e8b\u4ef6\uff0c\u4f9d\u8d56\u7279\u6b8a\u914d\u7f6e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6536\u96c6\u6240\u6709\u53ef\u80fd\u6a21\u578b<\/strong>\uff1a\u6839\u636e\u76ee\u6807\u4fe1\u606f\uff08\u5982\u57df\u540d\u5e74\u9f84\u3001\u662f\u5426\u6709\u90ae\u4ef6\u670d\u52a1\u3001\u662f\u5426\u4f7f\u7528 HTTPS \u7b49\uff09\uff0c\u5224\u65ad\u54ea\u4e9b\u6a21\u578b\u66f4\u53ef\u80fd\u6709\u6548\u3002<\/li>\n\n\n\n<li><strong>\u6267\u884c\u5404\u6a21\u578b\u67e5\u8be2<\/strong>\uff1a\u4f9d\u6b21\u4f7f\u7528\u5bf9\u5e94\u7684\u5de5\u5177\u6216\u547d\u4ee4\uff0c\u6536\u96c6\u521d\u6b65 IP \u5217\u8868\u53ca\u5173\u8054\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong>\u53bb\u91cd\u4e0e\u521d\u6b65\u7b5b\u9009<\/strong>\uff1a\u5c06\u6240\u6709\u6a21\u578b\u83b7\u53d6\u7684 IP \u5408\u5e76\u53bb\u91cd\uff0c\u5254\u9664\u660e\u663e\u5c5e\u4e8e CDN \u5382\u5546\u7684 IP \u6bb5\u3002<\/li>\n\n\n\n<li><strong>\u76f8\u5173\u6027\u5206\u6790<\/strong>\uff1a\u5bf9\u6bcf\u4e2a IP \u8fdb\u884c\u53cd\u5411\u57df\u540d\u67e5\u8be2\uff0c\u770b\u662f\u5426\u6709\u5176\u4ed6\u57df\u540d\u6307\u5411\u8be5 IP\uff0c\u5224\u65ad\u662f\u5426\u4e0e\u76ee\u6807\u76f8\u5173\u3002<\/li>\n\n\n\n<li><strong>\u4f18\u5148\u7ea7\u6392\u5e8f<\/strong>\uff1a\u6839\u636e\u6a21\u578b\u7684\u53ef\u4fe1\u5ea6\uff08\u5982\u5386\u53f2\u8bb0\u5f55>\u8bc1\u4e66>\u5b50\u57df\u540d>\u54cd\u5e94\u7279\u5f81\uff09\u5bf9 IP \u8fdb\u884c\u4f18\u5148\u7ea7\u6392\u5e8f\uff0c\u51c6\u5907\u9a8c\u8bc1\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u6bcf\u4e2a\u7591\u4f3c IP\uff0c\u91c7\u7528 Host \u5934\u8bbf\u95ee\u9a8c\u8bc1\u3002\u540c\u65f6\uff0c\u53ef\u5bf9\u6bd4 IP \u7684\u5f00\u653e\u7aef\u53e3\u4e0e\u76ee\u6807\u57df\u540d\u7684\u7aef\u53e3\u662f\u5426\u4e00\u81f4\u3002\u82e5 IP \u7684 443 \u7aef\u53e3\u8bc1\u4e66\u5305\u542b\u76ee\u6807\u57df\u540d\uff0c\u5219\u53ef\u4fe1\u5ea6\u6781\u9ad8\u3002\u6b64\u5916\uff0c\u4f7f\u7528 <code>traceroute<\/code> \u6216 <code>ping<\/code> \u89c2\u5bdf\u7f51\u7edc\u8def\u5f84\uff0c\u82e5\u7ecf\u8fc7 CDN \u8282\u70b9\uff0c\u5219\u53ef\u80fd\u662f CDN \u5185\u90e8 IP\uff0c\u9700\u8fdb\u4e00\u6b65\u6392\u9664\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef1<\/strong>\uff1a\u5355\u4e00\u6a21\u578b\u8bef\u5224\uff0c\u4f8b\u5982\u8bc1\u4e66\u65e5\u5fd7\u4e2d\u7684 IP \u662f\u65e7 IP\u3002\u6392\u67e5\uff1a\u7ed3\u5408\u591a\u4e2a\u6a21\u578b\u4ea4\u53c9\u9a8c\u8bc1\uff0c\u82e5\u4e24\u4e2a\u4ee5\u4e0a\u6a21\u578b\u6307\u5411\u540c\u4e00 IP\uff0c\u5219\u53ef\u4fe1\u5ea6\u5927\u589e\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef2<\/strong>\uff1a\u5b50\u57df\u540d\u679a\u4e3e\u51fa\u7684 IP \u5c5e\u4e8e CDN\u3002\u6392\u67e5\uff1a\u5bf9\u6bcf\u4e2a\u5b50\u57df\u540d\u91cd\u590d\u57fa\u7840\u8ba4\u77e5\u6a21\u5757\u7684 CDN \u68c0\u6d4b\uff0c\u8fc7\u6ee4\u6389\u4f7f\u7528 CDN \u7684\u5b50\u57df\u540d\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef3<\/strong>\uff1a\u7f51\u7edc\u7a7a\u95f4\u641c\u7d22\u51fa\u7684 IP \u662f CDN \u8282\u70b9\u3002\u6392\u67e5\uff1a\u67e5\u770b IP \u7684 ASN\uff0c\u82e5\u5c5e\u4e8e CDN \u5382\u5546\uff0c\u5219\u6392\u9664\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u6240\u6709\u65b9\u6cd5\u5747\u57fa\u4e8e\u516c\u5f00\u6570\u636e\u6216\u88ab\u52a8\u6536\u96c6\uff0c\u4e0d\u6d89\u53ca\u4e3b\u52a8\u626b\u63cf\u3002\u4f46\u4f7f\u7528\u7f51\u7edc\u7a7a\u95f4\u641c\u7d22\u5f15\u64ce\u65f6\uff0c\u9700\u9075\u5b88\u5176\u670d\u52a1\u6761\u6b3e\uff0c\u4e0d\u5f97\u5229\u7528\u5176\u6570\u636e\u8fdb\u884c\u6f0f\u6d1e\u5229\u7528\u3002\u5b50\u57df\u540d\u679a\u4e3e\u5c5e\u4e8e\u4e3b\u52a8\u63a2\u6d4b\uff0c\u53ef\u80fd\u89e6\u53d1\u76ee\u6807\u5b89\u5168\u8bbe\u5907\uff0c\u5e94\u5728\u6388\u6743\u8303\u56f4\u5185\u63a7\u5236\u901f\u7387\u3002\u90ae\u4ef6\u670d\u52a1\u5668\u6a21\u578b\u4ec5\u67e5\u8be2\u516c\u5f00\u7684 MX \u8bb0\u5f55\uff0c\u4e0d\u4e3b\u52a8\u8fde\u63a5\u90ae\u4ef6\u670d\u52a1\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5f52\u7eb3\u4e86\u4e94\u79cd\u5e38\u7528\u7684\u6eaf\u6e90\u65b9\u6cd5\u6a21\u578b\uff0c\u6bcf\u79cd\u6a21\u578b\u5bf9\u5e94\u4e0d\u540c\u7684\u4fe1\u606f\u6cc4\u9732\u8def\u5f84\u3002\u638c\u63e1\u4e86\u8fd9\u4e9b\u6a21\u578b\uff0c\u5373\u53ef\u6784\u5efa\u591a\u89d2\u5ea6\u534f\u540c\u7684\u6eaf\u6e90\u64cd\u4f5c\u6d41\u7a0b\uff0c\u4e0b\u4e00\u6a21\u5757\u5c06\u5177\u4f53\u9610\u8ff0\u5982\u4f55\u5c06\u8fd9\u4e9b\u6a21\u578b\u6574\u5408\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u64cd\u4f5c\u8def\u5f84\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u4e94\uff1a\u64cd\u4f5c\u8def\u5f84\u5f62\u6210<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u638c\u63e1\u4e86\u591a\u79cd\u65b9\u6cd5\u6a21\u578b\u540e\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5b83\u4eec\u6574\u5408\u6210\u4e00\u4e2a\u53ef\u64cd\u4f5c\u7684\u591a\u89d2\u5ea6\u534f\u540c\u6d41\u7a0b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u6784\u5efa\u4e00\u4e2a\u591a\u89d2\u5ea6\u534f\u540c\u7684\u4fe1\u606f\u6536\u96c6\u4e0e\u9a8c\u8bc1\u7684\u64cd\u4f5c\u6d41\u7a0b\u3002\u5355\u4e00\u65b9\u6cd5\u53ef\u80fd\u5b58\u5728\u8bef\u62a5\u6216\u9057\u6f0f\uff0c\u901a\u8fc7\u6574\u5408 DNS \u5386\u53f2\u3001\u5b50\u57df\u540d\u679a\u4e3e\u3001\u8bc1\u4e66\u900f\u660e\u5ea6\u7b49\u591a\u4e2a\u6a21\u578b\uff0c\u5e76\u8bbe\u8ba1\u5408\u7406\u7684\u9a8c\u8bc1\u73af\u8282\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6e90\u7ad9 IP \u53d1\u73b0\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002\u8be5\u64cd\u4f5c\u8def\u5f84\u5c06\u7406\u8bba\u6a21\u578b\u8f6c\u5316\u4e3a\u53ef\u6267\u884c\u7684\u6b65\u9aa4\uff0c\u6307\u5bfc\u5b66\u4e60\u8005\u7cfb\u7edf\u5730\u5b8c\u6210\u6eaf\u6e90\u4efb\u52a1\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u64cd\u4f5c\u8def\u5f84\u7684\u8bbe\u8ba1\u9075\u5faa\u201c\u4fe1\u606f\u6536\u96c6 \u2192 \u4ea4\u53c9\u9a8c\u8bc1 \u2192 \u7ed3\u8bba\u8f93\u51fa\u201d\u7684\u903b\u8f91\u3002\u9996\u5148\uff0c\u901a\u8fc7\u591a\u79cd\u72ec\u7acb\u7684\u4fe1\u606f\u6e90\u6536\u96c6\u7591\u4f3c IP \u5217\u8868\uff0c\u8fd9\u4e9b\u4fe1\u606f\u6e90\u57fa\u4e8e\u4e0d\u540c\u7684\u6cc4\u9732\u539f\u7406\uff0c\u964d\u4f4e\u4e86\u5171\u540c\u8bef\u62a5\u7684\u6982\u7387\u3002\u5176\u6b21\uff0c\u5bf9\u6bcf\u4e2a\u7591\u4f3c IP \u8fdb\u884c\u591a\u7ef4\u5ea6\u9a8c\u8bc1\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Host \u5934\u9a8c\u8bc1<\/strong>\uff1a\u76f4\u63a5\u8bbf\u95ee IP \u5e76\u643a\u5e26\u6b63\u786e\u7684 Host \u5934\uff0c\u89c2\u5bdf\u662f\u5426\u8fd4\u56de\u76ee\u6807\u7f51\u7ad9\u5185\u5bb9\u3002<\/li>\n\n\n\n<li><strong>SSL \u8bc1\u4e66\u9a8c\u8bc1<\/strong>\uff1a\u68c0\u67e5 IP \u4e0a\u7684 SSL \u8bc1\u4e66\u662f\u5426\u5305\u542b\u76ee\u6807\u57df\u540d\u3002<\/li>\n\n\n\n<li><strong>\u7aef\u53e3\u4e00\u81f4\u6027\u9a8c\u8bc1<\/strong>\uff1a\u786e\u8ba4\u76ee\u6807\u57df\u540d\u5f00\u653e\u7684\u7aef\u53e3\uff08\u5982 80,443\uff09\u5728 IP \u4e0a\u540c\u6837\u5f00\u653e\u4e14\u670d\u52a1\u4e00\u81f4\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u8def\u5f84\u5206\u6790<\/strong>\uff1a\u4f7f\u7528 <code>traceroute<\/code> \u6216 <code>ping<\/code> \u5224\u65ad IP \u662f\u5426\u4f4d\u4e8e CDN \u8282\u70b9\u8def\u5f84\u4e0a\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u7efc\u5408\u6240\u6709\u9a8c\u8bc1\u7ed3\u679c\uff0c\u5bf9\u6bcf\u4e2a IP \u8d4b\u4e88\u7f6e\u4fe1\u5ea6\u8bc4\u5206\uff0c\u5f62\u6210\u6700\u7ec8\u7ed3\u8bba\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u56fe\u5c55\u793a\u4e86\u4ece\u591a\u6e90\u4fe1\u606f\u6536\u96c6\u5230\u6700\u7ec8\u7ed3\u8bba\u8f93\u51fa\u7684\u5b8c\u6574\u64cd\u4f5c\u6d41\u7a0b\uff0c\u5305\u542b\u5173\u952e\u51b3\u7b56\u70b9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe5\uff1a\u591a\u6e90\u4fe1\u606f\u6536\u96c6\u4e0e\u9a8c\u8bc1\u6d41\u7a0b\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u591a\u6e90\u4fe1\u606f\u6536\u96c6\u4e0e\u9a8c\u8bc1\u6d41\u7a0b\u56fe-491x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"491\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u591a\u6e90\u4fe1\u606f\u6536\u96c6\u4e0e\u9a8c\u8bc1\u6d41\u7a0b\u56fe-491x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1836\"  sizes=\"auto, (max-width: 491px) 100vw, 491px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u4f4d\u4e8e\u65b9\u6cd5\u6a21\u578b\u4e4b\u540e\uff0c\u98ce\u9669\u8fb9\u754c\u63a7\u5236\u4e4b\u524d\u3002\u5b83\u5c06\u62bd\u8c61\u7684\u6a21\u578b\u8f6c\u5316\u4e3a\u5177\u4f53\u7684\u64cd\u4f5c\u6307\u5357\uff0c\u662f\u7406\u8bba\u5230\u5b9e\u8df5\u7684\u6865\u6881\uff0c\u786e\u4fdd\u5b66\u4e60\u8005\u80fd\u591f\u52a8\u624b\u5b9e\u65bd\u6eaf\u6e90\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f\u4e00\u4e2a\u6574\u5408\u7684 Bash \u811a\u672c\u793a\u4f8b\uff0c\u7528\u4e8e\u81ea\u52a8\u5316\u6267\u884c\u90e8\u5206\u6b65\u9aa4\uff08\u9700\u5b89\u88c5\u4f9d\u8d56\u5de5\u5177\u5982 <code>dnsrecon<\/code>\u3001<code>jq<\/code>\uff09\u3002<strong>\u6ce8\u610f\uff1a\u4ec5\u9650\u6388\u6743\u76ee\u6807\u4f7f\u7528<\/strong>\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\nTARGET=\"testphp.vulnweb.com\"\nOUTPUT_DIR=\".\/recon_$TARGET\"\nmkdir -p $OUTPUT_DIR\n\n# 1. \u57fa\u7840DNS\u67e5\u8be2\ndig $TARGET A &gt; $OUTPUT_DIR\/dns_a.txt\ndig $TARGET CNAME &gt;&gt; $OUTPUT_DIR\/dns_cname.txt\n\n# 2. \u5b50\u57df\u540d\u679a\u4e3e\uff08\u4f7f\u7528dnsrecon\uff09\ndnsrecon -d $TARGET -t brt -D \/usr\/share\/wordlists\/dns\/subdomains-top1million-5000.txt -c $OUTPUT_DIR\/dnsrecon.csv\n\n# 3. \u8bc1\u4e66\u900f\u660e\u5ea6\u67e5\u8be2\ncurl -s \"https:\/\/crt.sh\/?q=%25.$TARGET&amp;output=json\" | jq -r '.&#91;].name_value' | sort -u &gt; $OUTPUT_DIR\/crt_domains.txt\n# \u5bf9\u6bcf\u4e2a\u57df\u540d\u8fdb\u884cA\u8bb0\u5f55\u67e5\u8be2\nwhile read domain; do\n    dig $domain A +short &gt;&gt; $OUTPUT_DIR\/crt_ips.txt\ndone &lt; $OUTPUT_DIR\/crt_domains.txt\n\n# 4. MX\u8bb0\u5f55\u67e5\u8be2\ndig $TARGET MX +short &gt; $OUTPUT_DIR\/mx_records.txt\n\n# 5. \u5408\u5e76IP\u5e76\u53bb\u91cd\ncat $OUTPUT_DIR\/dns_a.txt $OUTPUT_DIR\/dnsrecon.csv $OUTPUT_DIR\/crt_ips.txt $OUTPUT_DIR\/mx_records.txt | grep -Eo '&#91;0-9]{1,3}\\.&#91;0-9]{1,3}\\.&#91;0-9]{1,3}\\.&#91;0-9]{1,3}' | sort -u &gt; $OUTPUT_DIR\/all_ips.txt\n\necho \"IP candidates saved to $OUTPUT_DIR\/all_ips.txt\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u8bf4\u660e\uff1a\u6b64\u811a\u672c\u4ec5\u4e3a\u6f14\u793a\u903b\u8f91\uff0c\u5b9e\u9645\u9700\u6839\u636e\u5de5\u5177\u8f93\u51fa\u683c\u5f0f\u8c03\u6574\u3002<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6b65\u9aa4<\/th><th>\u63a8\u8350\u5de5\u5177<\/th><th>\u4f5c\u7528<\/th><th>\u66ff\u4ee3\u5de5\u5177<\/th><\/tr><\/thead><tbody><tr><td>DNS\u57fa\u7840\u67e5\u8be2<\/td><td>dig<\/td><td>\u83b7\u53d6A\/CNAME\u8bb0\u5f55<\/td><td>nslookup, host<\/td><\/tr><tr><td>\u5b50\u57df\u540d\u679a\u4e3e<\/td><td>dnsrecon<\/td><td>\u53d1\u73b0\u672a\u4f7f\u7528CDN\u7684\u5b50\u57df\u540d<\/td><td>Sublist3r, Amass<\/td><\/tr><tr><td>\u8bc1\u4e66\u67e5\u8be2<\/td><td>crt.sh (curl)<\/td><td>\u83b7\u53d6\u5173\u8054\u57df\u540d\u548cIP<\/td><td>censys certificate<\/td><\/tr><tr><td>MX\u67e5\u8be2<\/td><td>dig<\/td><td>\u83b7\u53d6\u90ae\u4ef6\u670d\u52a1\u5668\u57df\u540d<\/td><td>nslookup<\/td><\/tr><tr><td>IP\u9a8c\u8bc1<\/td><td>curl<\/td><td>\u9a8c\u8bc1IP\u662f\u5426\u627f\u8f7d\u76ee\u6807\u7f51\u7ad9<\/td><td>wget, httpie<\/td><\/tr><tr><td>IP\u5f52\u5c5e\u67e5\u8be2<\/td><td>whois<\/td><td>\u5224\u65adIP\u662f\u5426\u5c5e\u4e8eCDN\u5382\u5546<\/td><td>ipinfo.io<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u51c6\u5907\u73af\u5883<\/strong>\uff1a\u5b89\u88c5\u5fc5\u8981\u5de5\u5177\uff08dig, dnsrecon, curl, jq, whois\uff09\uff0c\u83b7\u53d6\u76ee\u6807\u6388\u6743\u3002<\/li>\n\n\n\n<li><strong>\u6267\u884c\u591a\u6e90\u4fe1\u606f\u6536\u96c6<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 dig \u83b7\u53d6\u5f53\u524d DNS \u8bb0\u5f55\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528 dnsrecon \u8fdb\u884c\u5b50\u57df\u540d\u7206\u7834\u3002<\/li>\n\n\n\n<li>\u4ece crt.sh \u83b7\u53d6\u8bc1\u4e66\u5173\u8054\u57df\u540d\u5e76\u89e3\u6790 IP\u3002<\/li>\n\n\n\n<li>\u67e5\u8be2 MX \u8bb0\u5f55\u5e76\u89e3\u6790\u90ae\u4ef6\u670d\u52a1\u5668 IP\u3002<\/li>\n\n\n\n<li>\u82e5\u6761\u4ef6\u5141\u8bb8\uff0c\u4f7f\u7528\u7f51\u7edc\u7a7a\u95f4\u641c\u7d22\u5f15\u64ce API \u8865\u5145\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6570\u636e\u6e05\u6d17\u4e0e\u5408\u5e76<\/strong>\uff1a\u5c06\u6240\u6709 IP \u63d0\u53d6\u51fa\u6765\uff0c\u53bb\u91cd\uff0c\u5e76\u6392\u9664\u660e\u663e\u5c5e\u4e8e CDN \u5382\u5546\u7684 IP \u6bb5\uff08\u53ef\u901a\u8fc7 whois \u6216\u9884\u5b9a\u4e49\u5217\u8868\uff09\u3002<\/li>\n\n\n\n<li><strong>\u9a8c\u8bc1\u5019\u9009 IP<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u6bcf\u4e2a IP\uff0c\u4f7f\u7528 <code>curl -H \"Host: $TARGET\" http:\/\/&lt;IP><\/code> \u68c0\u67e5\u8fd4\u56de\u5185\u5bb9\u3002<\/li>\n\n\n\n<li>\u82e5\u4e3a HTTPS\uff0c\u4f7f\u7528 <code>curl -k -H \"Host: $TARGET\" https:\/\/&lt;IP><\/code>\uff0c\u5e76\u68c0\u67e5\u8bc1\u4e66\u662f\u5426\u5305\u542b\u76ee\u6807\u57df\u540d\u3002<\/li>\n\n\n\n<li>\u8bb0\u5f55\u9a8c\u8bc1\u7ed3\u679c\uff0c\u6807\u8bb0\u6210\u529f\u5339\u914d\u7684 IP\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7f6e\u4fe1\u5ea6\u8bc4\u4f30<\/strong>\uff1a\u6839\u636e\u9a8c\u8bc1\u7ed3\u679c\u548c\u6765\u6e90\uff0c\u5bf9 IP \u8fdb\u884c\u8bc4\u5206\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u540c\u65f6\u901a\u8fc7 Host \u5934\u9a8c\u8bc1\u548c\u8bc1\u4e66\u9a8c\u8bc1\uff1a\u7f6e\u4fe1\u5ea6\u9ad8\u3002<\/li>\n\n\n\n<li>\u4ec5\u901a\u8fc7 Host \u5934\u9a8c\u8bc1\uff1a\u7f6e\u4fe1\u5ea6\u4e2d\u3002<\/li>\n\n\n\n<li>\u4ec5\u51fa\u73b0\u5728\u5386\u53f2\u8bb0\u5f55\u4f46\u5f53\u524d\u65e0\u6cd5\u9a8c\u8bc1\uff1a\u7f6e\u4fe1\u5ea6\u4f4e\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f93\u51fa\u521d\u6b65\u7ed3\u8bba<\/strong>\uff1a\u5217\u51fa\u6240\u6709\u7f6e\u4fe1\u5ea6\u4e2d\u4ee5\u4e0a\u7684 IP \u53ca\u5176\u9a8c\u8bc1\u8be6\u60c5\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u9a8c\u8bc1\u7684\u6838\u5fc3\u662f\u201c\u76f4\u63a5\u8bbf\u95ee IP+\u6b63\u786e Host \u5934\u201d\u662f\u5426\u8fd4\u56de\u76ee\u6807\u7f51\u7ad9\u9996\u9875\u4e14\u5185\u5bb9\u4e00\u81f4\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u786e\u8ba4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SSL \u8bc1\u4e66<\/strong>\uff1a\u5982\u679c\u76ee\u6807\u4f7f\u7528 HTTPS\uff0c\u8bbf\u95ee IP \u65f6\u82e5\u8bc1\u4e66\u4e2d\u7684 CN \u6216 SAN \u5305\u542b\u76ee\u6807\u57df\u540d\uff0c\u4e14\u6d4f\u89c8\u5668\u4e0d\u62a5\u9519\uff08\u5ffd\u7565\u57df\u540d\u4e0d\u5339\u914d\uff09\uff0c\u5219\u5f3a\u76f8\u5173\u3002<\/li>\n\n\n\n<li><strong>\u54cd\u5e94\u5934\u4e00\u81f4\u6027<\/strong>\uff1a\u6bd4\u8f83 IP \u8fd4\u56de\u7684\u54cd\u5e94\u5934\u4e0e\u76f4\u63a5\u8bbf\u95ee\u57df\u540d\u65f6\u7684\u54cd\u5e94\u5934\uff0c\u6392\u9664 CDN \u5e72\u6270\u3002<\/li>\n\n\n\n<li><strong>\u5185\u5bb9\u4e00\u81f4\u6027<\/strong>\uff1a\u5bf9\u6bd4\u9875\u9762\u6807\u9898\u3001\u7279\u5b9a\u6587\u672c\u6216\u54c8\u5e0c\u503c\uff0c\u786e\u4fdd\u4e0d\u662f\u5176\u4ed6\u865a\u62df\u4e3b\u673a\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef1<\/strong>\uff1a\u811a\u672c\u4e2d\u9057\u6f0f\u4e86\u67d0\u4e9b\u8f93\u51fa\u683c\u5f0f\uff0c\u5bfc\u81f4 IP \u63d0\u53d6\u4e0d\u5b8c\u6574\u3002\u6392\u67e5\uff1a\u624b\u52a8\u68c0\u67e5\u4e2d\u95f4\u6587\u4ef6\uff0c\u786e\u4fdd\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6240\u6709 IP\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef2<\/strong>\uff1a\u5b50\u57df\u540d\u679a\u4e3e\u4ea7\u751f\u7684 IP \u4e2d\u6df7\u6709 CDN \u8282\u70b9\u3002\u6392\u67e5\uff1a\u5728\u9a8c\u8bc1\u524d\u5148\u901a\u8fc7 whois \u7b5b\u9009 ASN\uff0c\u6216\u4f7f\u7528 <code>curl -I<\/code> \u68c0\u6d4b\u54cd\u5e94\u5934\u4e2d\u7684 CDN \u6807\u8bc6\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef3<\/strong>\uff1aHost \u5934\u9a8c\u8bc1\u65f6\uff0c\u90e8\u5206\u7ad9\u70b9\u6839\u636e User-Agent \u8fd4\u56de\u4e0d\u540c\u5185\u5bb9\u3002\u6392\u67e5\uff1a\u4f7f\u7528\u4e0e\u6d4f\u89c8\u5668\u4e00\u81f4\u7684 User-Agent\uff0c\u5982 <code>curl -A \"Mozilla\/5.0 ...\"<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef4<\/strong>\uff1a\u8bc1\u4e66\u9a8c\u8bc1\u65f6\uff0c\u56e0 IP \u76f4\u63a5\u8bbf\u95ee\u5bfc\u81f4\u8bc1\u4e66\u57df\u540d\u4e0d\u5339\u914d\u800c\u5931\u8d25\u3002\u6392\u67e5\uff1a\u4f7f\u7528 <code>curl -k<\/code> \u5ffd\u7565\u8bc1\u4e66\u9a8c\u8bc1\uff0c\u4f46\u9700\u68c0\u67e5\u8bc1\u4e66\u4e2d\u7684\u57df\u540d\u5217\u8868\u662f\u5426\u5305\u542b\u76ee\u6807\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u64cd\u4f5c\u8def\u5f84\u4e2d\u7684\u6240\u6709\u4e3b\u52a8\u63a2\u6d4b\uff08\u5982\u5b50\u57df\u540d\u679a\u4e3e\u3001Host \u5934\u9a8c\u8bc1\uff09\u5fc5\u987b\u5728\u6388\u6743\u8303\u56f4\u5185\uff0c\u4e14\u5e94\u63a7\u5236\u8bf7\u6c42\u901f\u7387\uff0c\u907f\u514d\u5bf9\u76ee\u6807\u9020\u6210\u8d1f\u62c5\u3002\u9a8c\u8bc1\u9636\u6bb5\u76f4\u63a5\u8bbf\u95ee IP \u53ef\u80fd\u88ab\u89c6\u4e3a\u201c\u626b\u63cf\u201d\uff0c\u9700\u786e\u4fdd\u5df2\u83b7\u5f97\u76ee\u6807\u7cfb\u7edf\u6240\u6709\u8005\u8bb8\u53ef\u3002\u4e0d\u5f97\u5bf9\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u7684\u6f0f\u6d1e\u8fdb\u884c\u4efb\u4f55\u5229\u7528\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u6784\u5efa\u4e86\u4ece\u4fe1\u606f\u6536\u96c6\u5230\u9a8c\u8bc1\u8f93\u51fa\u7684\u5b8c\u6574\u64cd\u4f5c\u8def\u5f84\uff0c\u5c06\u591a\u4e2a\u6a21\u578b\u6709\u673a\u6574\u5408\uff0c\u5f62\u6210\u4e86\u53ef\u6267\u884c\u7684\u6eaf\u6e90\u6d41\u7a0b\u3002\u638c\u63e1\u6b64\u6d41\u7a0b\u540e\uff0c\u5373\u53ef\u8fdb\u5165\u4e0b\u4e00\u6a21\u5757\uff0c\u5b66\u4e60\u5982\u4f55\u5728\u64cd\u4f5c\u4e2d\u63a7\u5236\u98ce\u9669\u8fb9\u754c\uff0c\u907f\u514d\u8bef\u5224\u548c\u6cd5\u5f8b\u95ee\u9898\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u516d\uff1a\u98ce\u9669\u8fb9\u754c\u63a7\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5177\u4f53\u64cd\u4f5c\u524d\uff0c\u5fc5\u987b\u660e\u786e\u98ce\u9669\u8fb9\u754c\uff0c\u907f\u514d\u6cd5\u5f8b\u548c\u6280\u672f\u8bef\u5224\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u754c\u5b9a\u4fe1\u606f\u6536\u96c6\u4e0e\u6eaf\u6e90\u8fc7\u7a0b\u4e2d\u7684\u64cd\u4f5c\u5408\u6cd5\u6027\u8fb9\u754c\uff0c\u5e76\u8bc6\u522b\u7ed3\u679c\u8bef\u5224\u7684\u5178\u578b\u60c5\u5f62\u3002\u7f51\u7edc\u5b89\u5168\u5de5\u4f5c\u5fc5\u987b\u59cb\u7ec8\u5728\u6cd5\u5f8b\u6846\u67b6\u5185\u8fdb\u884c\uff0c\u540c\u65f6\uff0c\u7531\u4e8e CDN \u73af\u5883\u7684\u590d\u6742\u6027\uff0c\u6eaf\u6e90\u7ed3\u679c\u53ef\u80fd\u5b58\u5728\u591a\u79cd\u8bef\u5224\u3002\u660e\u786e\u8fd9\u4e9b\u98ce\u9669\uff0c\u6709\u52a9\u4e8e\u89c4\u907f\u6cd5\u5f8b\u98ce\u9669\uff0c\u63d0\u9ad8\u7ed3\u8bba\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u98ce\u9669\u4e3b\u8981\u6765\u6e90\u4e8e\u4e24\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6cd5\u5f8b\u5408\u89c4\u98ce\u9669<\/strong>\uff1a\u672a\u7ecf\u6388\u6743\u5bf9\u76ee\u6807\u7cfb\u7edf\u8fdb\u884c\u63a2\u6d4b\u53ef\u80fd\u8fdd\u53cd\u300a\u7f51\u7edc\u5b89\u5168\u6cd5\u300b\u3001\u300a\u7f51\u7edc\u6570\u636e\u5b89\u5168\u7ba1\u7406\u6761\u4f8b\u300b\u7b49\u76f8\u5173\u6cd5\u89c4\uff0c\u751a\u81f3\u6784\u6210\u5165\u4fb5\u884c\u4e3a\u3002\u5373\u4f7f\u662f\u516c\u5f00\u6570\u636e\uff0c\u5982\u679c\u5229\u7528\u65b9\u5f0f\u4e0d\u5f53\uff08\u5982\u5927\u89c4\u6a21\u626b\u63cf\uff09\uff0c\u4e5f\u53ef\u80fd\u88ab\u89c6\u4e3a\u653b\u51fb\u3002<\/li>\n\n\n\n<li><strong>\u6280\u672f\u8bef\u5224\u98ce\u9669<\/strong>\uff1a\u7531\u4e8e CDN \u67b6\u6784\u7684\u590d\u6742\u6027\uff0c\u53ef\u80fd\u5c06 CDN \u8282\u70b9 IP\u3001\u540c\u7f51\u6bb5\u5176\u4ed6\u670d\u52a1\u5668 IP\u3001\u5386\u53f2 IP \u8bef\u8ba4\u4e3a\u6e90\u7ad9 IP\u3002\u5177\u4f53\u539f\u56e0\u5305\u62ec\uff1a<\/li>\n\n\n\n<li>CDN \u8282\u70b9\u53ef\u80fd\u4e5f\u5f00\u653e 80\/443 \u7aef\u53e3\uff0c\u4e14\u8fd4\u56de\u7f13\u5b58\u5185\u5bb9\uff0c\u770b\u8d77\u6765\u4e0e\u76ee\u6807\u4e00\u81f4\u3002<\/li>\n\n\n\n<li>\u5171\u4eab\u4e3b\u673a IP \u4e0a\u6258\u7ba1\u4e86\u591a\u4e2a\u7ad9\u70b9\uff0c\u8bbf\u95ee IP+Host \u5934\u53ef\u80fd\u8fd4\u56de\u76ee\u6807\u7f51\u7ad9\uff0c\u4f46 IP \u5e76\u975e\u6e90\u7ad9\u72ec\u6709\u3002<\/li>\n\n\n\n<li>\u5386\u53f2 IP \u53ef\u80fd\u5df2\u91cd\u65b0\u5206\u914d\u7ed9\u5176\u4ed6\u7528\u6237\uff0c\u5f53\u524d\u4e0d\u518d\u5c5e\u4e8e\u76ee\u6807\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u56fe\u5c55\u793a\u4e86\u5728\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\u5982\u4f55\u9010\u6b65\u6392\u9664\u8bef\u5224\uff0c\u786e\u4fdd\u7ed3\u8bba\u7684\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe6\uff1a\u98ce\u9669\u8bc6\u522b\u4e0e\u6392\u9664\u51b3\u7b56\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u98ce\u9669\u8bc6\u522b\u4e0e\u6392\u9664\u51b3\u7b56\u56fe-859x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"859\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u98ce\u9669\u8bc6\u522b\u4e0e\u6392\u9664\u51b3\u7b56\u56fe-859x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1837\"  sizes=\"auto, (max-width: 859px) 100vw, 859px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u4f4d\u4e8e\u64cd\u4f5c\u8def\u5f84\u5f62\u6210\u4e4b\u540e\uff0c\u7efc\u5408\u6eaf\u6e90\u8f93\u51fa\u4e4b\u524d\u3002\u5b83\u8d77\u5230\u4e86\u201c\u5239\u8f66\u201d\u548c\u201c\u8d28\u68c0\u201d\u7684\u4f5c\u7528\uff0c\u786e\u4fdd\u5b66\u4e60\u8005\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\u4e0d\u8d8a\u754c\uff0c\u540c\u65f6\u80fd\u591f\u8bc6\u522b\u548c\u6392\u9664\u8bef\u5224\uff0c\u4e3a\u6700\u7ec8\u7ed3\u8bba\u63d0\u4f9b\u8d28\u91cf\u63a7\u5236\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u547d\u4ee4\u7528\u4e8e\u8f85\u52a9\u8bc6\u522b\u8bef\u5224\u548c\u9a8c\u8bc1\u5408\u6cd5\u6027\u8fb9\u754c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u9a8c\u8bc1IP\u662f\u5426\u5c5e\u4e8eCDN\u5382\u5546\uff08\u67e5\u8be2ASN\uff09\nwhois &lt;\u7591\u4f3cIP&gt; | grep -i \"originas\"\n\n# \u4f7f\u7528ipinfo.io\u5feb\u901f\u83b7\u53d6ASN\u4fe1\u606f\uff08\u9700API\uff0c\u6216\u4f7f\u7528curl\uff09\ncurl ipinfo.io\/&lt;\u7591\u4f3cIP&gt;\/org\n\n# \u6d4b\u8bd5IP\u662f\u5426\u4e3a\u5171\u4eab\u4e3b\u673a\uff08\u5c1d\u8bd5\u8bbf\u95ee\u5e38\u89c1\u9ed8\u8ba4\u9875\u9762\uff09\ncurl -I http:\/\/&lt;\u7591\u4f3cIP&gt;\n\n# \u68c0\u67e5IP\u4e0a\u662f\u5426\u5b58\u5728\u591a\u4e2a\u57df\u540d\uff08\u9700DNS\u53cd\u5411\u67e5\u8be2\uff0c\u4e0d\u603b\u662f\u6709\u6548\uff09\nnslookup &lt;\u7591\u4f3cIP&gt;\n\n# \u9a8c\u8bc1IP\u7684\u5f00\u653e\u7aef\u53e3\u662f\u5426\u4e0e\u76ee\u6807\u4e00\u81f4\nnmap -p 80,443 &lt;\u7591\u4f3cIP&gt;  # \u5fc5\u987b\u5728\u6388\u6743\u4e0b\u8fdb\u884c<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u6ce8\u610f\uff1anmap \u7b49\u626b\u63cf\u5de5\u5177\u7684\u4f7f\u7528\u9700\u683c\u5916\u8c28\u614e\uff0c\u786e\u4fdd\u5df2\u83b7\u6388\u6743\u3002<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9a8c\u8bc1\u7c7b\u578b<\/th><th>\u63a8\u8350\u5de5\u5177<\/th><th>\u4f5c\u7528<\/th><th>\u6ce8\u610f\u4e8b\u9879<\/th><\/tr><\/thead><tbody><tr><td>IP\u5f52\u5c5e\u67e5\u8be2<\/td><td>whois, ipinfo.io<\/td><td>\u5224\u65adIP\u662f\u5426\u5c5e\u4e8eCDN\u5382\u5546<\/td><td>\u514d\u8d39\u670d\u52a1\u53ef\u80fd\u6709\u67e5\u8be2\u9650\u5236<\/td><\/tr><tr><td>\u5171\u4eab\u4e3b\u673a\u68c0\u6d4b<\/td><td>curl, browser<\/td><td>\u67e5\u770b\u9ed8\u8ba4\u9875\u9762\u662f\u5426\u4e3a\u901a\u7528\u9875<\/td><td>\u5e76\u975e\u6240\u6709\u5171\u4eab\u4e3b\u673a\u90fd\u6709\u9ed8\u8ba4\u9875<\/td><\/tr><tr><td>\u53cd\u5411DNS\u67e5\u8be2<\/td><td>nslookup, dig -x<\/td><td>\u83b7\u53d6IP\u7684PTR\u8bb0\u5f55\uff0c\u53ef\u80fd\u5173\u8054\u57df\u540d<\/td><td>\u8bb8\u591aIP\u672a\u8bbe\u7f6ePTR<\/td><\/tr><tr><td>\u7aef\u53e3\u626b\u63cf<\/td><td>nmap, masscan<\/td><td>\u786e\u8ba4\u76ee\u6807\u7aef\u53e3\u5f00\u653e\u60c5\u51b5<\/td><td>\u5fc5\u987b\u6388\u6743\uff0c\u626b\u63cf\u53ef\u80fd\u89e6\u53d1\u8b66\u62a5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5408\u6cd5\u6027\u81ea\u67e5<\/strong>\uff1a\u786e\u8ba4\u5f53\u524d\u64cd\u4f5c\u76ee\u6807\u662f\u5426\u62e5\u6709\u4e66\u9762\u6388\u6743\uff0c\u5e76\u660e\u786e\u6388\u6743\u8303\u56f4\uff08\u662f\u5426\u5141\u8bb8\u4e3b\u52a8\u626b\u63cf\u3001\u662f\u5426\u5141\u8bb8\u9a8c\u8bc1\u6027\u8bbf\u95ee\uff09\u3002<\/li>\n\n\n\n<li><strong>CDN \u5382\u5546 IP \u6392\u9664<\/strong>\uff1a\u5bf9\u6240\u6709\u5019\u9009 IP \u8fdb\u884c ASN \u67e5\u8be2\uff0c\u82e5 ASN \u5c5e\u4e8e\u77e5\u540d CDN \u5382\u5546\uff08\u5982 Cloudflare\u3001Akamai\u3001Fastly\uff09\uff0c\u5219\u6392\u9664\u3002<\/li>\n\n\n\n<li><strong>\u5171\u4eab\u4e3b\u673a\u8bc6\u522b<\/strong>\uff1a\u76f4\u63a5\u8bbf\u95ee IP\uff08\u4e0d\u5e26 Host \u5934\uff09\uff0c\u89c2\u5bdf\u8fd4\u56de\u5185\u5bb9\u3002\u82e5\u4e3a\u901a\u7528\u9ed8\u8ba4\u9875\uff08\u5982 Apache \u9ed8\u8ba4\u9875\u3001nginx \u6b22\u8fce\u9875\uff09\uff0c\u5219 IP \u53ef\u80fd\u4e3a\u5171\u4eab\u4e3b\u673a\uff0c\u9700\u8c28\u614e\u5bf9\u5f85\u3002<\/li>\n\n\n\n<li><strong>\u591a\u57df\u540d\u5173\u8054\u5206\u6790<\/strong>\uff1a\u5bf9\u5019\u9009 IP \u8fdb\u884c\u53cd\u5411 DNS \u67e5\u8be2\u548c\u8bc1\u4e66\u67e5\u8be2\uff0c\u67e5\u770b\u5176\u4e0a\u662f\u5426\u6258\u7ba1\u4e86\u5927\u91cf\u4e0d\u76f8\u5173\u57df\u540d\u3002\u82e5\u662f\uff0c\u5219 IP \u53ef\u80fd\u662f\u5171\u4eab\u4e3b\u673a\uff0c\u6e90\u7ad9 IP \u53ef\u80fd\u53ea\u662f\u5176\u4e2d\u4e4b\u4e00\uff0c\u4f46 IP \u672c\u8eab\u4ecd\u53ef\u80fd\u662f\u6e90\u7ad9\uff08\u865a\u62df\u4e3b\u673a\uff09\u3002<\/li>\n\n\n\n<li><strong>\u9a8c\u8bc1\u7a33\u5b9a\u6027<\/strong>\uff1a\u5728\u4e0d\u540c\u65f6\u95f4\u591a\u6b21\u9a8c\u8bc1 Host \u5934\u8bbf\u95ee\uff0c\u786e\u4fdd\u8fd4\u56de\u5185\u5bb9\u7a33\u5b9a\uff0c\u6392\u9664 CDN \u8282\u70b9\u5207\u6362\u6216\u8d1f\u8f7d\u5747\u8861\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li><strong>\u8bb0\u5f55\u6240\u6709\u98ce\u9669\u70b9<\/strong>\uff1a\u5728\u7ed3\u8bba\u4e2d\u6ce8\u660e\u6bcf\u4e2a IP \u7684\u6f5c\u5728\u8bef\u5224\u98ce\u9669\uff08\u5982\u201c\u53ef\u80fd\u4e3a\u5171\u4eab\u4e3b\u673a\u201d\u3001\u201c\u5386\u53f2 IP\u201d\uff09\uff0c\u4f9b\u540e\u7eed\u51b3\u7b56\u53c2\u8003\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u9a8c\u8bc1\u771f\u5b9e\u6027\u7684\u540c\u65f6\uff0c\u5fc5\u987b\u4fdd\u6301\u5408\u6cd5\u6027\u3002\u4f8b\u5982\uff0c\u786e\u8ba4 IP \u662f\u5426\u5c5e\u4e8e CDN \u5382\u5546\uff0c\u53ef\u901a\u8fc7\u516c\u5171 ASN \u6570\u636e\u5e93\uff0c\u800c\u975e\u5411\u76ee\u6807\u53d1\u9001\u5927\u91cf\u63a2\u6d4b\u5305\u3002\u786e\u8ba4 IP \u662f\u5426\u4e3a\u6e90\u7ad9\uff0c\u4ec5\u4f7f\u7528 Host \u5934\u8bbf\u95ee\uff0c\u4e0d\u8fdb\u884c\u4efb\u4f55\u6f0f\u6d1e\u6d4b\u8bd5\u3002\u82e5\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\u53d1\u73b0 IP \u4e0a\u5b58\u5728\u6f0f\u6d1e\uff0c\u5e94\u7acb\u5373\u505c\u6b62\uff0c\u4e0d\u5f97\u5229\u7528\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef1<\/strong>\uff1a\u8ba4\u4e3a\u53ea\u8981 Host \u5934\u8fd4\u56de\u76ee\u6807\u5185\u5bb9\u5c31\u662f\u6e90\u7ad9\u3002\u6392\u67e5\uff1aCDN \u8282\u70b9\u4e5f\u53ef\u80fd\u7f13\u5b58\u5185\u5bb9\u5e76\u54cd\u5e94 Host \u5934\uff0c\u9700\u901a\u8fc7 ASN \u548c\u7f51\u7edc\u8def\u5f84\u8fdb\u4e00\u6b65\u5224\u65ad\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef2<\/strong>\uff1a\u5ffd\u7565\u65f6\u95f4\u56e0\u7d20\uff0c\u5c06\u8fc7\u671f IP \u5f53\u4f5c\u6709\u6548 IP\u3002\u6392\u67e5\uff1a\u5bf9\u4e8e\u5386\u53f2\u8bb0\u5f55\u4e2d\u7684 IP\uff0c\u9700\u9a8c\u8bc1\u5f53\u524d\u662f\u5426\u4ecd\u5f00\u653e\u76f8\u5e94\u670d\u52a1\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef3<\/strong>\uff1a\u5728\u672a\u6388\u6743\u60c5\u51b5\u4e0b\u8fdb\u884c\u7aef\u53e3\u626b\u63cf\u3002\u6392\u67e5\uff1a\u4e25\u683c\u9075\u5b88\u6388\u6743\u8303\u56f4\uff0c\u82e5\u4ec5\u83b7\u51c6\u8fdb\u884c\u516c\u5f00\u4fe1\u606f\u6536\u96c6\uff0c\u5219\u4e0d\u5f97\u626b\u63cf\u7aef\u53e3\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u573a\u666f<\/strong>\uff1a\u672c\u6a21\u5757\u4ec5\u9002\u7528\u4e8e\u83b7\u5f97\u5408\u6cd5\u6388\u6743\u7684\u5b89\u5168\u8bc4\u4f30\u3001\u7ea2\u961f\u6f14\u7ec3\u6216\u81ea\u67e5\u3002<\/li>\n\n\n\n<li><strong>\u98ce\u9669<\/strong>\uff1a\u672a\u7ecf\u6388\u6743\u7684\u63a2\u6d4b\u53ef\u80fd\u6784\u6210\u8fdd\u6cd5\uff0c\u4e14\u53ef\u80fd\u89e6\u53d1\u76ee\u6807\u5b89\u5168\u673a\u5236\u5bfc\u81f4 IP \u88ab\u5c01\u3002<\/li>\n\n\n\n<li><strong>\u7f13\u89e3\u63aa\u65bd<\/strong>\uff1a\u59cb\u7ec8\u83b7\u53d6\u4e66\u9762\u6388\u6743\uff1b\u63a7\u5236\u63a2\u6d4b\u9891\u7387\uff1b\u4f7f\u7528\u516c\u5f00\u6570\u636e\u4f18\u5148\uff0c\u4e3b\u52a8\u63a2\u6d4b\u6b21\u4e4b\u3002<\/li>\n\n\n\n<li><strong>\u51b3\u7b56\u6307\u5357<\/strong>\uff1a\u82e5\u76ee\u6807\u672a\u6388\u6743\uff0c\u7edd\u5bf9\u4e0d\u8fdb\u884c\u4efb\u4f55\u4e3b\u52a8\u63a2\u6d4b\uff1b\u82e5\u5df2\u6388\u6743\uff0c\u4ecd\u5e94\u9075\u5faa\u6700\u5c0f\u5316\u539f\u5219\uff0c\u4ec5\u6536\u96c6\u5fc5\u8981\u4fe1\u606f\u3002\u4f9d\u636e\u300a\u7f51\u7edc\u6570\u636e\u5b89\u5168\u7ba1\u7406\u6761\u4f8b\u300b\u7b2c 18 \u6761\uff0c\u4f7f\u7528\u81ea\u52a8\u5316\u5de5\u5177\u8bbf\u95ee\u3001\u6536\u96c6\u7f51\u7edc\u6570\u636e\uff0c\u5e94\u5f53\u8bc4\u4f30\u5bf9\u7f51\u7edc\u670d\u52a1\u5e26\u6765\u7684\u5f71\u54cd\uff0c\u4e0d\u5f97\u5e72\u6270\u7f51\u7edc\u670d\u52a1\u6b63\u5e38\u8fd0\u884c\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5f3a\u8c03\u4e86\u6eaf\u6e90\u64cd\u4f5c\u4e2d\u7684\u6cd5\u5f8b\u98ce\u9669\u548c\u6280\u672f\u8bef\u5224\u98ce\u9669\uff0c\u5e76\u63d0\u4f9b\u4e86\u8bc6\u522b\u548c\u89c4\u907f\u7684\u65b9\u6cd5\u3002\u53ea\u6709\u5728\u98ce\u9669\u53ef\u63a7\u7684\u524d\u63d0\u4e0b\uff0c\u6eaf\u6e90\u7ed3\u8bba\u624d\u5177\u6709\u5b9e\u9645\u610f\u4e49\u3002\u4e0b\u4e00\u6a21\u5757\u5c06\u6574\u5408\u6240\u6709\u4fe1\u606f\uff0c\u5f62\u6210\u53ef\u9760\u7684\u6e90\u5730\u5740\u6eaf\u6e90\u7ed3\u8bba\uff0c\u5e76\u8f93\u51fa\u6700\u7ec8\u62a5\u544a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u4e03\uff1a\u7efc\u5408\u6eaf\u6e90\u8f93\u51fa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ecf\u8fc7\u4fe1\u606f\u6536\u96c6\u3001\u9a8c\u8bc1\u548c\u98ce\u9669\u63a7\u5236\uff0c\u6700\u540e\u4e00\u6b65\u662f\u5c06\u6210\u679c\u7efc\u5408\u8f93\u51fa\uff0c\u5f62\u6210\u53ef\u9760\u7684\u6eaf\u6e90\u7ed3\u8bba\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u8d1f\u8d23\u5c06\u591a\u6e90\u4fe1\u606f\u8fdb\u884c\u6574\u5408\uff0c\u5f62\u6210\u53ef\u9760\u7684\u6e90\u5730\u5740\u6eaf\u6e90\u7ed3\u8bba\u3002\u5728\u7ecf\u5386\u4e86\u591a\u6a21\u578b\u6536\u96c6\u3001\u4ea4\u53c9\u9a8c\u8bc1\u548c\u98ce\u9669\u63a7\u5236\u4e4b\u540e\uff0c\u6211\u4eec\u83b7\u5f97\u4e86\u4e00\u7cfb\u5217\u5019\u9009 IP \u53ca\u5176\u7f6e\u4fe1\u5ea6\u3002\u6700\u7ec8\u8f93\u51fa\u9700\u8981\u5bf9\u8fd9\u4e9b\u4fe1\u606f\u8fdb\u884c\u7efc\u5408\u8bc4\u4f30\uff0c\u4ee5\u6e05\u6670\u3001\u51c6\u786e\u7684\u65b9\u5f0f\u5448\u73b0\u7ed9\u76f8\u5173\u65b9\uff08\u5982\u5b89\u5168\u56e2\u961f\u3001\u5f00\u53d1\u4eba\u5458\uff09\uff0c\u5e76\u9644\u4e0a\u5fc5\u8981\u7684\u8bf4\u660e\uff0c\u786e\u4fdd\u7ed3\u8bba\u7684\u53ef\u8ffd\u6eaf\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u539f\u7406\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u7efc\u5408\u8f93\u51fa\u57fa\u4e8e\u4fe1\u606f\u878d\u5408\u539f\u7406\uff0c\u5bf9\u4e0d\u540c\u6765\u6e90\u7684\u8bc1\u636e\u8d4b\u4e88\u4e0d\u540c\u6743\u91cd\uff0c\u5e76\u8003\u8651\u65f6\u95f4\u6233\u3001\u7f51\u7edc\u62d3\u6251\u7b49\u56e0\u7d20\uff0c\u6700\u7ec8\u7ed9\u51fa\u4e00\u4e2a\u6216\u591a\u4e2a\u6700\u53ef\u80fd\u7684\u6e90\u7ad9 IP\u3002\u5178\u578b\u7684\u878d\u5408\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7f6e\u4fe1\u5ea6\u52a0\u6743<\/strong>\uff1a\u5386\u53f2 DNS \u8bb0\u5f55\u6743\u91cd\u6700\u9ad8\uff08\u76f4\u63a5\u8bc1\u636e\uff09\uff0c\u8bc1\u4e66\u548c\u5b50\u57df\u540d\u6b21\u4e4b\uff0c\u54cd\u5e94\u7279\u5f81\u6700\u4f4e\u3002<\/li>\n\n\n\n<li><strong>\u65f6\u6548\u6027\u8bc4\u4f30<\/strong>\uff1a\u8fd1\u671f\u51fa\u73b0\u7684\u4fe1\u606f\u6bd4\u5386\u53f2\u4fe1\u606f\u66f4\u53ef\u4fe1\u3002<\/li>\n\n\n\n<li><strong>\u7a33\u5b9a\u6027\u8bc4\u4f30<\/strong>\uff1a\u591a\u6b21\u9a8c\u8bc1\u5747\u6210\u529f\u7684 IP \u6bd4\u5355\u6b21\u6210\u529f\u7684 IP \u66f4\u53ef\u9760\u3002<\/li>\n\n\n\n<li><strong>\u6392\u4ed6\u6027\u5206\u6790<\/strong>\uff1a\u82e5 IP \u4e0a\u4ec5\u6258\u7ba1\u76ee\u6807\u57df\u540d\uff0c\u5219\u5176\u4e3a\u6e90\u7ad9\u7684\u53ef\u80fd\u6027\u6781\u9ad8\uff1b\u82e5\u6258\u7ba1\u5927\u91cf\u65e0\u5173\u57df\u540d\uff0c\u5219\u53ef\u80fd\u662f\u5171\u4eab\u4e3b\u673a\uff0c\u4f46\u4ecd\u53ef\u80fd\u662f\u6e90\u7ad9\uff08\u9700\u7ed3\u5408\u5176\u4ed6\u8bc1\u636e\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u56fe\u5c55\u793a\u4e86\u4ece\u5019\u9009 IP \u5230\u6700\u7ec8\u7ed3\u8bba\u7684\u878d\u5408\u4e0e\u8bc4\u4f30\u6d41\u7a0b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56fe7\uff1a\u4fe1\u606f\u878d\u5408\u4e0e\u7f6e\u4fe1\u5ea6\u8bc4\u4f30\u6d41\u7a0b\u56fe<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u4fe1\u606f\u878d\u5408\u4e0e\u7f6e\u4fe1\u5ea6\u8bc4\u4f30\u6d41\u7a0b\u56fe-630x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"630\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/03\/\u4fe1\u606f\u878d\u5408\u4e0e\u7f6e\u4fe1\u5ea6\u8bc4\u4f30\u6d41\u7a0b\u56fe-630x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1838\"  sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5728\u7cfb\u7edf\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u662f\u6574\u4e2a\u6eaf\u6e90\u6d41\u7a0b\u7684\u7ec8\u70b9\uff0c\u4f4d\u4e8e\u98ce\u9669\u8fb9\u754c\u63a7\u5236\u4e4b\u540e\u3002\u5b83\u5c06\u524d\u5e8f\u6240\u6709\u5de5\u4f5c\u6210\u679c\u6c47\u603b\uff0c\u5f62\u6210\u53ef\u76f4\u63a5\u5e94\u7528\u4e8e\u540e\u7eed\u5b89\u5168\u8bc4\u4f30\u7684\u8f93\u5165\uff08\u5982\u6e90\u7ad9 IP \u6e05\u5355\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u53ef\u6267\u884c\u547d\u4ee4\u6216\u67e5\u8be2\u65b9\u5f0f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8f93\u51fa\u9636\u6bb5\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u9a8c\u8bc1\u6216\u8865\u5145\u5c11\u91cf\u4fe1\u606f\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6700\u7ec8\u9a8c\u8bc1\uff1a\u786e\u8ba4IP\u7684443\u7aef\u53e3\u8bc1\u4e66\u662f\u5426\u5305\u542b\u76ee\u6807\u57df\u540d\uff08\u4e0d\u68c0\u67e5\u57df\u540d\u5339\u914d\uff09\necho | openssl s_client -connect &lt;IP&gt;:443 -servername $TARGET 2&gt;\/dev\/null | openssl x509 -text | grep \"DNS:\"\n\n# \u83b7\u53d6IP\u7684\u5730\u7406\u4f4d\u7f6e\uff08\u4ec5\u4f9b\u53c2\u8003\uff09\ncurl ipinfo.io\/&lt;IP&gt;\n\n# \u751f\u6210\u62a5\u544a\u6a21\u677f\uff08\u793a\u4f8b\uff09\necho \"\u6e90\u7ad9IP\u62a5\u544a for $TARGET\" &gt; report.txt\necho \"\u751f\u6210\u65f6\u95f4: $(date)\" &gt;&gt; report.txt\necho \"\u5019\u9009IP\u5217\u8868:\" &gt;&gt; report.txt\ncat verified_ips.txt &gt;&gt; report.txt<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u6ce8\u610f\uff1a\u8fd9\u4e9b\u64cd\u4f5c\u9700\u5728\u6388\u6743\u8303\u56f4\u5185\u8fdb\u884c\u3002<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u5bf9\u6bd4\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8f93\u51fa\u5f62\u5f0f<\/th><th>\u9002\u7528\u573a\u666f<\/th><th>\u4f18\u70b9<\/th><th>\u5c40\u9650<\/th><\/tr><\/thead><tbody><tr><td>\u6587\u672c\u62a5\u544a<\/td><td>\u4ea4\u4ed8\u7ed9\u5f00\u53d1\/\u8fd0\u7ef4\u56e2\u961f<\/td><td>\u7b80\u6d01\u660e\u4e86\uff0c\u6613\u4e8e\u9605\u8bfb<\/td><td>\u7f3a\u4e4f\u7ed3\u6784\u5316\u6570\u636e<\/td><\/tr><tr><td>CSV\/Excel<\/td><td>\u9700\u8981\u8fdb\u4e00\u6b65\u5206\u6790\u6216\u5bfc\u5165\u5176\u4ed6\u5de5\u5177<\/td><td>\u53ef\u6392\u5e8f\u3001\u7b5b\u9009\uff0c\u4fbf\u4e8e\u5904\u7406<\/td><td>\u9700\u989d\u5916\u8f6f\u4ef6\u6253\u5f00<\/td><\/tr><tr><td>JSON\/YAML<\/td><td>\u81ea\u52a8\u5316\u96c6\u6210\uff0c\u5982\u5bf9\u63a5\u626b\u63cf\u5668<\/td><td>\u673a\u5668\u53ef\u8bfb\uff0c\u4fbf\u4e8e\u96c6\u6210<\/td><td>\u4eba\u7c7b\u9605\u8bfb\u4e0d\u4fbf<\/td><\/tr><tr><td>Markdown<\/td><td>\u5185\u90e8\u6587\u6863\u6216\u77e5\u8bc6\u5e93<\/td><td>\u7f8e\u89c2\uff0c\u652f\u6301\u683c\u5f0f\uff0c\u53ef\u8f6cPDF<\/td><td>\u9700\u6e32\u67d3\u67e5\u770b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u6807\u51c6\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6574\u7406\u5019\u9009 IP \u5217\u8868<\/strong>\uff1a\u5c06\u9a8c\u8bc1\u901a\u8fc7\u7684 IP\uff08\u7f6e\u4fe1\u5ea6\u4e2d\u4ee5\u4e0a\uff09\u6c47\u603b\uff0c\u5e76\u9644\u4e0a\u6bcf\u4e2a IP \u7684\u6765\u6e90\uff08\u5982\u5386\u53f2\u8bb0\u5f55\u3001\u8bc1\u4e66\u3001\u5b50\u57df\u540d\uff09\u3001\u9a8c\u8bc1\u65f6\u95f4\u3001\u9a8c\u8bc1\u7ed3\u679c\u622a\u56fe\u6216\u547d\u4ee4\u8f93\u51fa\u3002<\/li>\n\n\n\n<li><strong>\u8bc4\u4f30\u6bcf\u4e2a IP \u7684\u7f6e\u4fe1\u5ea6<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ad8\u7f6e\u4fe1\u5ea6\uff1a\u540c\u65f6\u6ee1\u8db3 Host \u5934\u9a8c\u8bc1\u3001\u8bc1\u4e66\u9a8c\u8bc1\u3001ASN \u975e CDN\uff0c\u4e14\u8fd1\u671f\u6d3b\u8dc3\u3002<\/li>\n\n\n\n<li>\u4e2d\u7f6e\u4fe1\u5ea6\uff1a\u6ee1\u8db3 Host \u5934\u9a8c\u8bc1\uff0c\u4f46\u8bc1\u4e66\u9a8c\u8bc1\u5931\u8d25\uff08\u53ef\u80fd\u4ec5 HTTP\uff09\u6216 ASN \u6709\u4e89\u8bae\u3002<\/li>\n\n\n\n<li>\u4f4e\u7f6e\u4fe1\u5ea6\uff1a\u4ec5\u6765\u81ea\u5386\u53f2\u8bb0\u5f55\uff0c\u5f53\u524d\u65e0\u6cd5\u9a8c\u8bc1\uff1b\u6216\u6765\u81ea\u5b50\u57df\u540d\u4f46\u8be5\u5b50\u57df\u540d\u5df2\u5173\u95ed\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u64b0\u5199\u7ed3\u8bba<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u660e\u786e\u6307\u51fa\u6700\u53ef\u80fd\u7684\u6e90\u7ad9 IP\uff08\u5982\u6709\u591a\u4e2a\uff0c\u6309\u4f18\u5148\u7ea7\u5217\u51fa\uff09\u3002<\/li>\n\n\n\n<li>\u8bf4\u660e\u6bcf\u4e2a IP \u7684\u98ce\u9669\u63d0\u793a\uff08\u5982\u5171\u4eab\u4e3b\u673a\u3001\u5386\u53f2 IP\uff09\u3002<\/li>\n\n\n\n<li>\u9644\u4e0a\u9a8c\u8bc1\u65b9\u6cd5\u548c\u6570\u636e\u6765\u6e90\uff0c\u786e\u4fdd\u53ef\u590d\u73b0\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f93\u51fa\u62a5\u544a<\/strong>\uff1a\u9009\u62e9\u5408\u9002\u7684\u683c\u5f0f\uff0c\u5c06\u7ed3\u8bba\u548c\u8fc7\u7a0b\u8bb0\u5f55\u63d0\u4ea4\u7ed9\u9700\u6c42\u65b9\u3002<\/li>\n\n\n\n<li><strong>\u5f52\u6863\u4e0e\u6e05\u7406<\/strong>\uff1a\u5c06\u6536\u96c6\u7684\u4e2d\u95f4\u6570\u636e\u59a5\u5584\u4fdd\u5b58\u6216\u5220\u9664\uff0c\u6839\u636e\u4fdd\u5bc6\u8981\u6c42\u5904\u7406\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5982\u4f55\u9a8c\u8bc1\u7ed3\u679c\u771f\u5b9e\u6027<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u7ec8\u7ed3\u8bba\u672c\u8eab\u5e94\u9644\u5e26\u9a8c\u8bc1\u8bc1\u636e\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6267\u884c Host \u5934\u8bbf\u95ee\u7684\u547d\u4ee4\u8f93\u51fa\u53ca\u8fd4\u56de\u7684 HTML \u5934\u90e8\u5185\u5bb9\u3002<\/li>\n\n\n\n<li>\u8bc1\u4e66\u4e2d SAN \u5b57\u6bb5\u5305\u542b\u76ee\u6807\u57df\u540d\u7684\u622a\u56fe\u3002<\/li>\n\n\n\n<li>\u591a\u6b21\u9a8c\u8bc1\u7684\u65f6\u95f4\u6233\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u6c42\u65b9\u53ef\u6839\u636e\u8fd9\u4e9b\u8bc1\u636e\u590d\u73b0\u9a8c\u8bc1\u8fc7\u7a0b\uff0c\u786e\u4fdd\u7ed3\u8bba\u7684\u771f\u5b9e\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u9519\u8bef\u4e0e\u6392\u67e5\u65b9\u5f0f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9519\u8bef1<\/strong>\uff1a\u8f93\u51fa\u591a\u4e2a IP \u4f46\u672a\u7ed9\u51fa\u4f18\u5148\u7ea7\uff0c\u5bfc\u81f4\u9700\u6c42\u65b9\u56f0\u60d1\u3002\u6392\u67e5\uff1a\u5fc5\u987b\u660e\u786e\u4e3b\u8981\u63a8\u8350 IP \u548c\u5907\u9009 IP\uff0c\u5e76\u89e3\u91ca\u539f\u56e0\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef2<\/strong>\uff1a\u5ffd\u7565\u8bf4\u660e IP \u7684\u5171\u4eab\u4e3b\u673a\u5c5e\u6027\uff0c\u5bfc\u81f4\u540e\u7eed\u626b\u63cf\u65f6\u8bef\u4f24\u5176\u4ed6\u7ad9\u70b9\u3002\u6392\u67e5\uff1a\u5728\u7ed3\u8bba\u4e2d\u660e\u786e\u63d0\u793a\uff0c\u5e76\u5efa\u8bae\u540e\u7eed\u64cd\u4f5c\u4f7f\u7528 Host \u5934\u3002<\/li>\n\n\n\n<li><strong>\u9519\u8bef3<\/strong>\uff1a\u62a5\u544a\u683c\u5f0f\u6df7\u4e71\uff0c\u7f3a\u5931\u5173\u952e\u9a8c\u8bc1\u4fe1\u606f\u3002\u6392\u67e5\uff1a\u4f7f\u7528\u6a21\u677f\uff0c\u786e\u4fdd\u5305\u542b\u76ee\u6807\u3001\u65f6\u95f4\u3001IP \u5217\u8868\u3001\u9a8c\u8bc1\u65b9\u6cd5\u3001\u7f6e\u4fe1\u5ea6\u8bc4\u4f30\u3001\u98ce\u9669\u63d0\u793a\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e5d\u3001\u5408\u89c4\u8fb9\u754c\u8bf4\u660e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u7ec8\u62a5\u544a\u4ec5\u9650\u5728\u6388\u6743\u8303\u56f4\u5185\u4f7f\u7528\uff0c\u4e0d\u5f97\u5bf9\u5916\u516c\u5f00\u3002\u62a5\u544a\u4e2d\u5e94\u5305\u542b\u514d\u8d23\u58f0\u660e\uff0c\u5f3a\u8c03\u6240\u6709\u64cd\u4f5c\u5df2\u83b7\u6388\u6743\uff0c\u7ed3\u8bba\u4ec5\u4f9b\u5b89\u5168\u52a0\u56fa\u53c2\u8003\u3002\u82e5\u540e\u7eed\u57fa\u4e8e\u62a5\u544a\u4e2d\u7684 IP \u8fdb\u884c\u6f0f\u6d1e\u626b\u63cf\u6216\u6e17\u900f\u6d4b\u8bd5\uff0c\u9700\u786e\u4fdd\u626b\u63cf\u4e5f\u5728\u6388\u6743\u8303\u56f4\u5185\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u3001\u672c\u6a21\u5757\u9636\u6bb5\u6027\u5c0f\u7ed3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6a21\u5757\u5b8c\u6210\u4e86\u4ece\u4fe1\u606f\u6536\u96c6\u5230\u7ed3\u8bba\u8f93\u51fa\u7684\u5168\u8fc7\u7a0b\uff0c\u5c06\u96f6\u6563\u7684\u6570\u636e\u8f6c\u5316\u4e3a\u6709\u4ef7\u503c\u7684\u6eaf\u6e90\u6210\u679c\u3002\u81f3\u6b64\uff0cCDN \u9632\u62a4\u7ed5\u8fc7\uff08\u4fe1\u606f\u6536\u96c6\u9636\u6bb5\uff09\u7684\u4e03\u4e2a\u6a21\u5757\u5df2\u5168\u90e8\u5c55\u5f00\uff0c\u5b66\u4e60\u8005\u80fd\u591f\u7cfb\u7edf\u6027\u5730\u7406\u89e3\u5e76\u5b9e\u8df5\u6e90\u7ad9 IP \u7684\u6eaf\u6e90\u65b9\u6cd5\u3002\u6574\u4e2a\u6d41\u7a0b\u5f3a\u8c03\u5408\u6cd5\u5408\u89c4\u3001\u903b\u8f91\u4e25\u8c28\u3001\u53ef\u64cd\u4f5c\u6027\u5f3a\uff0c\u4e3a\u540e\u7eed\u6df1\u5165\u7684\u5b89\u5168\u8bc4\u4f30\u5960\u5b9a\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u53c2\u8003\u4e0e\u8fdb\u4e00\u6b65\u9605\u8bfb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u786e\u4fdd\u6280\u672f\u7684\u51c6\u786e\u6027\u4e0e\u65f6\u6548\u6027\uff0c\u4ee5\u4e0b\u5217\u51fa\u672c\u6587\u6838\u5fc3\u8bba\u8ff0\u6240\u4f9d\u636e\u7684\u6743\u5a01\u6587\u6863\u53ca\u5de5\u5177\u5b98\u65b9\u8d44\u6e90\u3002\u5efa\u8bae\u8bfb\u8005\u5728\u5b9e\u8df5\u524d\u8bbf\u95ee\u8fd9\u4e9b\u94fe\u63a5\u4ee5\u786e\u8ba4\u6700\u65b0\u7684\u7248\u672c\u53d8\u66f4\u4e0e\u517c\u5bb9\u6027\u4fe1\u606f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>IETF RFC 6962 &#8211; Certificate Transparency<\/strong>\uff1a\u672c\u6587\u4e2d\u5173\u4e8e SSL \u8bc1\u4e66\u900f\u660e\u5ea6\uff08Certificate Transparency\uff09\u673a\u5236\u3001SCT\uff08Signed Certificate Timestamp\uff09\u65e5\u5fd7\u67e5\u8be2\u7684\u539f\u7406\u6027\u4f9d\u636e\u3002<br>\u8bbf\u95ee\u5730\u5740\uff1a<a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc6962\">https:\/\/datatracker.ietf.org\/doc\/html\/rfc6962<\/a><\/li>\n\n\n\n<li><strong>OpenSSL Documentation &#8211; s_client &amp; x509<\/strong>\uff1a\u6587\u4e2d\u7528\u4e8e\u63d0\u53d6 SSL \u8bc1\u4e66\u4fe1\u606f\uff08\u5982 <code>openssl s_client<\/code>\u3001<code>openssl x509<\/code>\uff09\u7684\u547d\u4ee4\u884c\u5de5\u5177\u5b98\u65b9\u6587\u6863\u3002<br>\u8bbf\u95ee\u5730\u5740\uff1a<a href=\"https:\/\/docs.openssl.org\/master\/man1\/openssl-s_client\/\">https:\/\/docs.openssl.org\/master\/man1\/openssl-s_client\/<\/a><\/li>\n\n\n\n<li><strong>BIND 9 Documentation (ISC) &#8211; dig<\/strong>\uff1a\u6587\u4e2d\u6838\u5fc3 DNS \u67e5\u8be2\u5de5\u5177 <code>dig<\/code> \u7684\u6743\u5a01\u53c2\u8003\u624b\u518c\uff0c\u7531 Internet Systems Consortium \u7ef4\u62a4\u3002<br>\u8bbf\u95ee\u5730\u5740\uff1a<a href=\"https:\/\/bind9.readthedocs.io\/en\/latest\/manpages.html#dig\">https:\/\/bind9.readthedocs.io\/en\/latest\/manpages.html#dig<\/a><\/li>\n\n\n\n<li><strong>crt.sh &#8211; Certificate Transparency Log Search<\/strong>\uff1a\u6587\u4e2d\u793a\u4f8b\u7684\u514d\u8d39\u3001\u5b9e\u65f6\u8bc1\u4e66\u900f\u660e\u5ea6\u65e5\u5fd7\u67e5\u8be2\u5f15\u64ce\uff0c\u7531 Let&#8217;s Encrypt \u7b49\u793e\u533a\u652f\u6301\u3002<br>\u8bbf\u95ee\u5730\u5740\uff1a<a href=\"https:\/\/crt.sh\/\">https:\/\/crt.sh\/<\/a><\/li>\n\n\n\n<li><strong>\u300a\u7f51\u7edc\u6570\u636e\u5b89\u5168\u7ba1\u7406\u6761\u4f8b\u300b- \u4e2d\u56fd\u653f\u5e9c\u7f51<\/strong>\uff1a\u672c\u6587\u201c\u5408\u89c4\u8fb9\u754c\u8bf4\u660e\u201d\u6a21\u5757\u7684\u6cd5\u5f8b\u4f9d\u636e\uff0c\u7279\u522b\u662f\u7b2c\u5341\u516b\u6761\u5173\u4e8e\u81ea\u52a8\u5316\u5de5\u5177\u8bbf\u95ee\u6570\u636e\u7684\u89c4\u8303\u3002<br>\u8bbf\u95ee\u5730\u5740\uff1a<a href=\"https:\/\/www.gov.cn\/zhengce\/zhengceku\/202409\/content_6953196.htm\">https:\/\/www.gov.cn\/zhengce\/zhengceku\/202409\/content_6953196.htm<\/a><\/li>\n\n\n\n<li><strong>dnsrecon &#8211; Kali Linux Tools<\/strong>\uff1a\u6587\u4e2d\u7528\u4e8e\u5b50\u57df\u540d\u679a\u4e3e\u7684\u5de5\u5177\uff0c\u5176\u5b98\u65b9\u6587\u6863\u9875\u9762\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u53c2\u6570\u8bf4\u660e\u3002<br>\u8bbf\u95ee\u5730\u5740\uff1a<a href=\"https:\/\/www.kali.org\/tools\/dnsrecon\/\">https:\/\/www.kali.org\/tools\/dnsrecon\/<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u4fe1\u606f\u6536\u96c6-Web\u5e94\u7528-CDN\u52a0\u901f-\u5982\u4f55\u8bc6\u522b \u91cd\u6784\u8ba4\u77e5\u57fa\u7840 \u4e00\u3001\u6a21\u5757\u6982\u5ff5\u89e3\u91ca \u672c\u6a21\u5757\u91cd\u65b0\u68b3\u7406Web\u5e94\u7528\u5728\u7f51\u7edc\u4e2d\u8bf7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-1819","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1819","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=1819"}],"version-history":[{"count":4,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1819\/revisions"}],"predecessor-version":[{"id":1839,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1819\/revisions\/1839"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=1819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=1819"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=1819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}