{"id":209699,"date":"2025-10-23T20:57:38","date_gmt":"2025-10-23T12:57:38","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209699\/"},"modified":"2025-10-23T20:57:39","modified_gmt":"2025-10-23T12:57:39","slug":"cdn-xss","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209699\/","title":{"rendered":"\u7528CDN\u62e6\u622aXSS\uff1a\u8fb9\u7f18\u9632\u62a4\u5b9e\u6218\u4e0e\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"<p>\u5728\u5168\u7403\u5185\u5bb9\u5206\u53d1\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u5feb\u901f\u53d1\u5c55\u7684\u80cc\u666f\u4e0b\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u5df2\u4e0d\u4ec5\u4ec5\u662f\u52a0\u901f\u9759\u6001\u8d44\u6e90\u7684\u5de5\u5177\uff0c\u8fd8\u6210\u4e3a\u6297\u5fa1\u5e94\u7528\u5c42\u653b\u51fb\u7684\u91cd\u8981\u9632\u7ebf\u3002\u5bf9\u4e8e\u9762\u5411\u5168\u7403\u7528\u6237\u3001\u6258\u7ba1\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u4ee5\u53ca\u591a\u5730 VPS\uff08\u5982\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u3001\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\uff09\u7684\u7ad9\u70b9\u800c\u8a00\uff0c\u5229\u7528 CDN \u5728\u8fb9\u7f18\u5c42\u62e6\u622a\u548c\u7f13\u89e3 XSS\uff08\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff09\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u98ce\u9669\u5e76\u63d0\u5347\u54cd\u5e94\u901f\u5ea6\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5b9e\u6218\u5e94\u7528\u573a\u666f\u3001\u6280\u672f\u5b9e\u73b0\u7ec6\u8282\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\u7b49\u65b9\u9762\uff0c\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u7528 CDN \u62e6\u622a XSS \u5e76\u7ed9\u51fa\u53ef\u64cd\u4f5c\u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u5728\u8fb9\u7f18\u62e6\u622a XSS \u6709\u610f\u4e49<\/h2>\n<p>\u4f20\u7edf\u7684 XSS \u9632\u62a4\u4e3b\u8981\u4f9d\u8d56\u540e\u7aef\u8f93\u5165\u6821\u9a8c\u3001\u8f93\u51fa\u7f16\u7801\u548c\u524d\u7aef CSP\uff08Content Security Policy\uff09\u3002\u7136\u800c\uff0c\u5355\u5c42\u9632\u62a4\u5f80\u5f80\u4e0d\u80fd\u8986\u76d6\u6240\u6709\u653b\u51fb\u9762\uff0c\u7279\u522b\u662f\u5728\u5206\u5e03\u5f0f\u90e8\u7f72\u3001\u591a\u57df\u540d\u548c\u7b2c\u4e09\u65b9\u811a\u672c\u96c6\u6210\u7684\u573a\u666f\u4e2d\u3002\u5c06\u9632\u62a4\u4e0a\u79fb\u5230 CDN \u8fb9\u7f18\u53ef\u4ee5\u5e26\u6765\u51e0\u4e2a\u663e\u8457\u597d\u5904\uff1a<\/p>\n<ul>\n<li><strong>\u51cf\u5c0f\u653b\u51fb\u9762\uff1a<\/strong>\u5728\u79bb\u7528\u6237\u6700\u8fd1\u7684\u8fb9\u7f18\u8282\u70b9\u963b\u65ad\u6076\u610f\u8f7d\u8377\uff0c\u964d\u4f4e\u540e\u7aef\u66b4\u9732\u98ce\u9669\u3002<\/li>\n<li><strong>\u964d\u4f4e\u5ef6\u8fdf\u5e76\u63d0\u5347\u53ef\u7528\u6027\uff1a<\/strong>\u8fb9\u7f18\u62e6\u622a\u907f\u514d\u628a\u6076\u610f\u6d41\u91cf\u4f20\u56de\u539f\u70b9\u670d\u52a1\u5668\uff0c\u51cf\u5c11\u540e\u7aef\u8d1f\u8f7d\u548c\u54cd\u5e94\u5ef6\u8fdf\uff0c\u7279\u522b\u5bf9\u6d77\u5916\u670d\u52a1\u5668\u548c\u8de8\u56fd\u8bbf\u95ee\u573a\u666f\u6709\u5229\u3002<\/li>\n<li><strong>\u7edf\u4e00\u7b56\u7565\u7ba1\u7406\uff1a<\/strong>\u901a\u8fc7 CDN \u7684\u89c4\u5219\u5f15\u64ce\u548c WAF \u53ef\u4ee5\u96c6\u4e2d\u65bd\u884c\u4e00\u81f4\u7684 XSS \u9632\u62a4\u7b56\u7565\uff0c\u4fbf\u4e8e\u591a\u7ad9\u70b9\u3001\u591a\u57df\u540d\uff08\u5305\u62ec\u57df\u540d\u6ce8\u518c\u540e\u7ed1\u5b9a\u7684\u57df\u540d\uff09\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n<h2>\u8fb9\u7f18\u9632\u62a4\u7684\u539f\u7406\u4e0e\u6280\u672f\u6808<\/h2>\n<p>\u5728\u8fb9\u7f18\u62e6\u622a XSS \u7684\u5b9e\u73b0\u901a\u5e38\u4f9d\u8d56\u4ee5\u4e0b\u51e0\u4e2a\u7ec4\u4ef6\u7684\u534f\u540c\uff1a<\/p>\n<h3>1. Web Application Firewall\uff08WAF\uff09\u89c4\u5219<\/h3>\n<p>WAF \u662f\u6700\u5e38\u89c1\u7684\u9632\u62a4\u5c42\uff0c\u57fa\u4e8e\u7b7e\u540d\u3001\u884c\u4e3a\u5206\u6790\u548c\u89c4\u5219\u8bed\u8a00\u6765\u5339\u914d\u5df2\u77e5\u7684 XSS \u6a21\u5f0f\u3002\u73b0\u4ee3 CDN \u63d0\u4f9b\u53ef\u81ea\u5b9a\u4e49\u89c4\u5219\uff08\u6b63\u5219\u6216\u8868\u8fbe\u5f0f\uff09\uff0c\u5e76\u652f\u6301 OWASP CRS\uff08Core Rule Set\uff09\u4f5c\u4e3a\u57fa\u7840\u3002\u5e38\u7528\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u62e6\u622a\u5305\u542b &lt;script&gt;\u3001javascript:\u3001onerror=\u3001onload= \u7b49\u5173\u952e\u5b57\u7684\u53c2\u6570\u6216\u8def\u5f84\u3002<\/li>\n<li>\u68c0\u6d4b URL \u7f16\u7801\u6216\u53cc\u91cd\u7f16\u7801\u7684 payload\u3002<\/li>\n<li>\u57fa\u4e8e\u8bf7\u6c42\u4f53\/\u67e5\u8be2\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u548c\u7279\u6b8a\u5b57\u7b26\u5bc6\u5ea6\u505a\u5f02\u5e38\u5224\u5b9a\uff08\u9488\u5bf9\u53cd\u5c04\u578b XSS\uff09\u3002<\/li>\n<\/ul>\n<h3>2. Edge Workers \/ Edge-Side Scripting<\/h3>\n<p>\u901a\u8fc7\u5728 CDN \u7684\u8fb9\u7f18\u8fd0\u884c\u81ea\u5b9a\u4e49\u811a\u672c\uff08\u5982 Cloudflare Workers\u3001Fastly Compute@Edge\u3001Akamai EdgeWorkers\uff09\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7ec6\u7c92\u5ea6\u7684\u62e6\u622a\u4e0e\u4fee\u590d\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5bf9\u54cd\u5e94 HTML \u6ce8\u5165\u6216\u4fee\u6b63\u5b89\u5168\u5934\uff08\u5982 CSP\u3001X-Content-Type-Options\u3001X-XSS-Protection\uff09\u3002<\/li>\n<li>\u5bf9\u52a8\u6001\u9875\u9762\u7684\u8f93\u51fa\u8fdb\u884c\u8f7b\u91cf\u7ea7\u6e05\u6d17\uff08\u5982\u767d\u540d\u5355\u5c5e\u6027\u8fc7\u6ee4\u6216\u79fb\u9664\u53ef\u7591\u6807\u7b7e\uff09\u3002<\/li>\n<li>\u901a\u8fc7\u54cd\u5e94\u6a21\u677f\u5316\u6280\u672f\u7edf\u4e00\u63d2\u5165 nonce \u5e76\u52a8\u6001\u751f\u6210\u4e25\u683c CSP\uff0c\u4ece\u800c\u51cf\u5c11\u8bef\u62a5\u3002<\/li>\n<\/ul>\n<h3>3. \u5185\u5bb9\u5b89\u5168\u7b56\u7565\uff08CSP\uff09\u5728\u8fb9\u7f18\u7684\u90e8\u7f72<\/h3>\n<p>\u5728\u8fb9\u7f18\u6ce8\u5165 CSP \u662f\u5b9e\u6218\u4e2d\u7ecf\u5e38\u91c7\u7528\u7684\u65b9\u5f0f\u3002\u901a\u8fc7\u5728 CDN \u7ea7\u522b\u6dfb\u52a0\u6216\u8986\u76d6\u54cd\u5e94\u5934\uff0c\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u6e90\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u5f3a\u5236\u7b56\u7565\u3002\u63a8\u8350\u505a\u6cd5\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 <strong>strict-dynamic<\/strong> \u4e0e <strong>nonce<\/strong> \u673a\u5236\u914d\u5408\uff0c\u907f\u514d\u8fc7\u5ea6\u4f9d\u8d56\u767d\u540d\u5355\u57df\u540d\u3002<\/li>\n<li>\u6309\u9700\u5bf9\u4e0d\u540c\u8def\u5f84\u8bbe\u7f6e\u4e0d\u540c\u7b56\u7565\uff08\u5982\u5bf9\u540e\u53f0\u7ba1\u7406\u9875\u4f7f\u7528\u66f4\u4e25\u683c\u7b56\u7565\uff09\u3002<\/li>\n<li>\u5728\u9010\u6b65\u4e0a\u7ebf\u8fc7\u7a0b\u4e2d\u5148\u4ee5 <strong>report-only<\/strong> \u6a21\u5f0f\u6536\u96c6\u8fdd\u89c4\u62a5\u544a\uff0c\u518d\u5207\u6362\u5230\u5f3a\u5236\u62e6\u622a\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\u5e94\u7528\u573a\u666f\u4e0e\u793a\u4f8b\u89c4\u5219<\/h2>\n<p>\u4e0b\u9762\u5217\u4e3e\u51e0\u79cd\u5177\u4f53\u573a\u666f\u4ee5\u53ca\u53ef\u4ee5\u5728\u8fb9\u7f18\u5b9e\u73b0\u7684\u89c4\u5219\u793a\u4f8b\uff0c\u4fbf\u4e8e\u5feb\u901f\u843d\u5730\uff1a<\/p>\n<h3>\u53cd\u5c04\u578b XSS\uff08Reflected XSS\uff09<\/h3>\n<p>\u653b\u51fb\u8005\u5c06 payload \u653e\u5728 URL \u53c2\u6570\u4e2d\u5e76\u8bf1\u5bfc\u7528\u6237\u8bbf\u95ee\uff0c\u670d\u52a1\u5668\u5c06\u8be5\u53c2\u6570\u539f\u6837\u8f93\u51fa\u3002\u8fb9\u7f18\u62e6\u622a\u7b56\u7565\uff1a<\/p>\n<ul>\n<li>\u5bf9\u8bf7\u6c42\u67e5\u8be2\u5b57\u7b26\u4e32\u8fdb\u884c\u6b63\u5219\u68c0\u6d4b\uff1a\u963b\u65ad\u5305\u542b\u50cf <code>(&lt;script&gt;|javascript:|onload=|onerror=)<\/code> \u7684\u6a21\u5f0f\u3002<\/li>\n<li>\u9650\u5236\u67d0\u4e9b\u53c2\u6570\u957f\u5ea6\u5e76\u5bf9\u9ad8\u98ce\u9669\u53c2\u6570\uff08\u5982 q\u3001search\u3001redirect\uff09\u8fdb\u884c\u4e25\u683c\u8fc7\u6ee4\u3002<\/li>\n<li>\u793a\u4f8b\u6b63\u5219\uff08\u4f2a\u4ee3\u7801\uff09\uff1a<br \/><code>\/(&lt;script.<em>?&gt;|javascript:|on(error|load)s<\/em>=)\/i<\/code><\/li>\n<\/ul>\n<h3>\u5b58\u50a8\u578b XSS\uff08Stored XSS\uff09<\/h3>\n<p>Payload \u5b58\u50a8\u5728\u540e\u7aef\u6570\u636e\u5e93\uff0c\u53d7\u5bb3\u8005\u5728\u8bbf\u95ee\u65f6\u89e6\u53d1\u3002\u8fb9\u7f18\u7684\u4f5c\u7528\u662f\u51cf\u5c11\u89e6\u53d1\u9762\u5e76\u63d0\u4f9b\u9632\u62a4\u7f13\u51b2\uff1a<\/p>\n<ul>\n<li>\u5728\u8fb9\u7f18\u7ed3\u5408 WAF \u548c\u7f13\u5b58\u7b56\u7565\uff0c\u8bc6\u522b\u5e26\u6709\u6076\u610f\u8f7d\u8377\u7684\u54cd\u5e94\u5e76\u66ff\u6362\u6216\u963b\u65ad\u3002<\/li>\n<li>\u5bf9\u7ecf\u8fc7\u8fb9\u7f18\u6ce8\u5165\u7684\u7b2c\u4e09\u65b9\u5185\u5bb9\uff08\u5982\u8bc4\u8bba\u3001\u7528\u6237\u751f\u6210\u5185\u5bb9\uff09\u65bd\u52a0\u8f93\u51fa\u8fc7\u6ee4\u6216\u66ff\u6362\u6807\u7b7e\u3002<\/li>\n<\/ul>\n<h3>DOM-based XSS<\/h3>\n<p>\u5ba2\u6237\u7aef JavaScript \u5bf9 URL \u6216 fragment \u5904\u7406\u4e0d\u5f53\u5bfc\u81f4 XSS\u3002\u8fb9\u7f18\u9632\u62a4\u4e3b\u8981\u901a\u8fc7\uff1a<\/p>\n<ul>\n<li>\u6ce8\u5165 CSP \u9650\u5236\u5185\u8054\u811a\u672c\u6267\u884c\u548c\u5371\u9669\u7684 eval()\/Function() \u8c03\u7528\u3002<\/li>\n<li>\u8fb9\u7f18\u811a\u672c\u68c0\u6d4b\u5e76\u963b\u6b62\u53ef\u7591\u7684\u811a\u672c\u8d44\u6e90\u52a0\u8f7d\uff08\u5982\u672a\u7ecf\u6388\u6743\u7684\u7b2c\u4e09\u65b9 JS\uff09\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u73b0\u7ec6\u8282\u4e0e\u89c4\u5219\u8bbe\u8ba1\u8981\u70b9<\/h2>\n<p>\u5728\u8fb9\u7f18\u5b9e\u73b0 XSS \u62e6\u622a\u65f6\uff0c\u52a1\u5fc5\u6ce8\u91cd\u4ee5\u4e0b\u6280\u672f\u7ec6\u8282\uff0c\u4ee5\u517c\u987e\u5b89\u5168\u6027\u4e0e\u53ef\u7528\u6027\uff1a<\/p>\n<h3>\u9ed8\u8ba4\u62d2\u7edd\u4e0e\u767d\u540d\u5355\u7684\u5e73\u8861<\/h3>\n<p><strong>\u6700\u4f73\u5b9e\u8df5\u662f\u9ed8\u8ba4\u62d2\u7edd\u9ad8\u98ce\u9669\u884c\u4e3a\uff0c\u914d\u5408\u767d\u540d\u5355\u653e\u884c\u5df2\u77e5\u5b89\u5168\u6765\u6e90<\/strong>\u3002\u5bf9\u4e8e\u5185\u5bb9\u7c7b\u578b\u3001\u6765\u6e90\u57df\u540d\u3001\u811a\u672c\u54c8\u5e0c\u548c nonce \u4f7f\u7528\u767d\u540d\u5355\u7b56\u7565\uff0c\u907f\u514d\u8fc7\u5ea6\u5bbd\u677e\u7684\u653e\u884c\u89c4\u5219\u3002<\/p>\n<h3>\u89c4\u5219\u4f18\u5148\u7ea7\u4e0e\u901f\u7387\u63a7\u5236<\/h3>\n<p>\u9ad8\u4f18\u5148\u7ea7\u7684\u89c4\u5219\u7528\u4e8e\u62e6\u622a\u663e\u800c\u6613\u89c1\u7684 XSS payload\uff1b\u4e2d\u4f4e\u4f18\u5148\u7ea7\u89c4\u5219\u5219\u7528\u4f5c\u76d1\u63a7\u6216\u9650\u901f\u3002\u4f8b\u5982\uff0c\u9488\u5bf9\u9891\u7e41\u89e6\u53d1\u67d0\u7c7b\u89c4\u5219\u7684 IP \u53ef\u5b9e\u65bd\u4e34\u65f6\u5c01\u7981\u6216\u6311\u6218\uff08\u9a8c\u8bc1\u7801\/JS challenge\uff09\u3002<\/p>\n<h3>False Positive \u7ba1\u7406<\/h3>\n<p>\u907f\u514d\u8bef\u6740\u4e1a\u52a1\u8bf7\u6c42\u9700\u8981\uff1a<\/p>\n<ul>\n<li>\u5728\u90e8\u7f72\u524d\u901a\u8fc7 <strong>\u6a21\u62df\u6d41\u91cf\u548c\u56de\u653e<\/strong> \u6d4b\u8bd5\u65b0\u89c4\u5219\u3002<\/li>\n<li>\u91c7\u7528 report-only \u6a21\u5f0f\u6536\u96c6\u8bef\u62a5\u6837\u672c\u5e76\u9010\u6b65\u8c03\u6574\u6b63\u5219\u6216\u9608\u503c\u3002<\/li>\n<li>\u5bf9\u90e8\u5206\u654f\u611f\u8def\u5f84\uff08\u5982\u56de\u8c03 URL\uff09\u91c7\u7528\u66f4\u7ec6\u7c92\u5ea6\u7684\u4f8b\u5916\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h3>\u65e5\u5fd7\u3001\u544a\u8b66\u4e0e\u6eaf\u6e90<\/h3>\n<p>\u8fb9\u7f18\u62e6\u622a\u540e\u5e94\u4fdd\u7559\u8db3\u591f\u7684\u65e5\u5fd7\uff08\u8bf7\u6c42\u5934\u3001\u53c2\u6570\u6458\u5f55\u3001\u89e6\u53d1\u89c4\u5219 ID\u3001\u6e90 IP\u3001\u8fb9\u7f18\u8282\u70b9\uff09\u7528\u4e8e\u6eaf\u6e90\u4e0e\u53d6\u8bc1\u3002\u96c6\u6210 SIEM \u6216\u65e5\u5fd7\u670d\u52a1\u80fd\u5e2e\u52a9\u5206\u6790\u653b\u51fb\u8d8b\u52bf\u4e0e\u8bef\u62a5\u7387\u3002<\/p>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u8fb9\u7f18\u9632\u62a4 vs \u4f20\u7edf\u540e\u7aef\u9632\u62a4<\/h2>\n<p>\u4e24\u8005\u5e76\u975e\u4e92\u65a5\uff0c\u800c\u662f\u4e92\u4e3a\u8865\u5145\u3002\u4e0b\u9762\u662f\u5178\u578b\u5bf9\u6bd4\uff1a<\/p>\n<ul>\n<li><strong>\u54cd\u5e94\u901f\u5ea6\uff1a<\/strong>\u8fb9\u7f18\u62e6\u622a\u66f4\u5feb\uff0c\u80fd\u5728\u7528\u6237\u4fa7\u5c31\u963b\u65ad\u6076\u610f\u8bf7\u6c42\uff0c\u51cf\u8f7b\u540e\u7aef\u8d1f\u8f7d\uff1b\u540e\u7aef\u6821\u9a8c\u901a\u5e38\u5728\u8bf7\u6c42\u5230\u8fbe\u539f\u70b9\u540e\u624d\u6267\u884c\u3002<\/li>\n<li><strong>\u90e8\u7f72\u4fbf\u6377\u6027\uff1a<\/strong>\u901a\u8fc7 CDN \u53ef\u4ee5\u5728\u4e0d\u6539\u52a8\u5e94\u7528\u4ee3\u7801\u7684\u524d\u63d0\u4e0b\u5feb\u901f\u90e8\u7f72\u5b89\u5168\u7b56\u7565\uff0c\u9002\u5408\u591a\u5730\u57df\u90e8\u7f72\uff08\u65e0\u8bba\u662f\u9999\u6e2fVPS \u8fd8\u662f\u7f8e\u56fdVPS\uff09\u3002<\/li>\n<li><strong>\u53ef\u89c6\u5316\u4e0e\u89c4\u5219\u7ba1\u7406\uff1a<\/strong>CDN \u63d0\u4f9b\u7684\u63a7\u5236\u53f0\u901a\u5e38\u66f4\u6613\u4e8e\u96c6\u4e2d\u7ba1\u7406\u591a\u57df\u540d\u3001\u591a\u5b9e\u4f8b\u7684\u7b56\u7565\uff0c\u6bd4\u6bcf\u53f0\u670d\u52a1\u5668\u5355\u72ec\u7ef4\u62a4\u66f4\u9ad8\u6548\u3002<\/li>\n<li><strong>\u6df1\u5ea6\u6e05\u7406\u80fd\u529b\uff1a<\/strong>\u540e\u7aef\u4ecd\u662f\u6700\u7ec8\u9632\u7ebf\uff0c\u80fd\u6267\u884c\u590d\u6742\u7684\u4e0a\u4e0b\u6587\u611f\u77e5\u8fc7\u6ee4\u4e0e\u6301\u4e45\u5316\u4fee\u590d\uff0c\u56e0\u6b64\u5e94\u4e0e\u8fb9\u7f18\u7b56\u7565\u534f\u540c\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u4e0e\u90e8\u7f72\u5efa\u8bae<\/h2>\n<p>\u9009\u62e9\u5408\u9002\u7684 CDN \u4e0e\u8fb9\u7f18\u8ba1\u7b97\u670d\u52a1\u65f6\uff0c\u5e94\u8003\u8651\u4ee5\u4e0b\u7ef4\u5ea6\uff0c\u5c24\u5176\u5f53\u4f60\u5728\u4e0d\u540c\u5730\u533a\uff08\u5982\u9009\u62e9\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u6709\u90e8\u7f72\u6216\u5907\u4efd\u65f6\uff1a<\/p>\n<ul>\n<li>\u8fb9\u7f18\u8282\u70b9\u5206\u5e03\uff1a\u4f18\u5148\u9009\u62e9\u5728\u76ee\u6807\u7528\u6237\u7fa4\u9644\u8fd1\u6709\u4e30\u5bcc\u8282\u70b9\u7684\u670d\u52a1\uff08\u82e5\u7528\u6237\u5728\u4e9a\u592a\uff0c\u53ef\u4f18\u5148\u8003\u8651\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u8282\u70b9\uff09\u3002<\/li>\n<li>\u81ea\u5b9a\u4e49\u89c4\u5219\u80fd\u529b\uff1a\u662f\u5426\u652f\u6301\u81ea\u5b9a\u4e49\u6b63\u5219\u3001WAF \u89c4\u5219\u3001Workers\/Edge functions\u3002<\/li>\n<li>\u65e5\u5fd7\u4e0e\u56de\u653e\uff1a\u662f\u5426\u63d0\u4f9b\u8be6\u5c3d\u7684\u8bf7\u6c42\u4e0e\u54cd\u5e94\u65e5\u5fd7\u4ee5\u53ca\u56de\u653e\u5de5\u5177\u4fbf\u4e8e\u8c03\u8bd5\u8bef\u6740\u3002<\/li>\n<li>\u96c6\u6210\u80fd\u529b\uff1a\u662f\u5426\u4fbf\u4e8e\u4e0e\u73b0\u6709\u76d1\u63a7\u3001SIEM\u3001\u4ee5\u53ca\u57df\u540d\u6ce8\u518c\u4e0e DNS \u7ba1\u7406\u5e73\u53f0\u8054\u52a8\uff08\u5feb\u901f\u5728\u57df\u540d\u6ce8\u518c\u540e\u914d\u7f6e CDN\uff09\u3002<\/li>\n<li>\u6027\u80fd\u5f71\u54cd\uff1a\u8bc4\u4f30\u89c4\u5219\u8fd0\u884c\u7684\u5ef6\u8fdf\u6210\u672c\uff0c\u907f\u514d\u5728\u8fb9\u7f18\u5f15\u5165\u8fc7\u591a\u540c\u6b65\u8ba1\u7b97\u800c\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<h2>\u90e8\u7f72\u8303\u4f8b\uff1a\u4ece\u96f6\u5f00\u59cb\u7684\u5b9e\u8df5\u6b65\u9aa4<\/h2>\n<p>\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u53ef\u590d\u7528\u7684\u6b65\u9aa4\u6e05\u5355\uff0c\u4fbf\u4e8e\u5728\u771f\u5b9e\u73af\u5883\u4e2d\u843d\u5730\uff1a<\/p>\n<ul>\n<li>\u8bc4\u4f30\u73b0\u72b6\uff1a\u6536\u96c6\u5386\u53f2\u653b\u51fb\u65e5\u5fd7\u3001\u57fa\u7ebf\u6d41\u91cf\u548c\u5e38\u89c1\u53c2\u6570\u6a21\u5f0f\u3002<\/li>\n<li>\u9009\u62e9 CDN \u5e76\u542f\u7528 WAF\uff1a\u5728\u63a7\u5236\u53f0\u5bfc\u5165 OWASP CRS\uff0c\u542f\u7528\u6700\u57fa\u7840\u7684 XSS \u68c0\u6d4b\u7ec4\u3002<\/li>\n<li>\u5f00\u542f report-only \u6a21\u5f0f\uff1a\u7528\u4e24\u5468\u65f6\u95f4\u6536\u96c6\u62a5\u8868\u5e76\u8c03\u6574\u8bef\u62a5\u3002<\/li>\n<li>\u9010\u6b65\u5f3a\u5316\u7b56\u7565\uff1a\u5f15\u5165 CSP \u6ce8\u5165\u3001nonce \u7ba1\u7406\u4e0e\u811a\u672c\u54c8\u5e0c\u6821\u9a8c\u3002<\/li>\n<li>\u542f\u7528\u8fb9\u7f18\u811a\u672c\uff1a\u5bf9\u9ad8\u98ce\u9669\u54cd\u5e94\u505a\u5185\u5bb9\u6e05\u6d17\u6216\u5934\u90e8\u6ce8\u5165\u3002<\/li>\n<li>\u4e0a\u7ebf\u5e76\u76d1\u63a7\uff1a\u542f\u7528\u5b9e\u65f6\u544a\u8b66\u4e0e\u65e5\u5fd7\u56de\u653e\uff0c\u6301\u7eed\u4f18\u5316\u89c4\u5219\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u5728 CDN \u8fb9\u7f18\u5c42\u9762\u90e8\u7f72\u591a\u5c42\u6b21\u7684 XSS \u9632\u62a4\uff08\u5305\u542b WAF \u89c4\u5219\u3001CSP \u6ce8\u5165\u3001Edge Workers \u7684\u52a8\u6001\u6e05\u6d17\u4e0e\u901f\u7387\u9650\u5236\uff09\uff0c\u53ef\u4ee5\u5728\u4e0d\u5927\u5e45\u6539\u52a8\u5e94\u7528\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u663e\u8457\u63d0\u5347\u5b89\u5168\u6027\u4e0e\u53ef\u7528\u6027\u3002\u5bf9\u4e8e\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u591a\u5730\u57df VPS\uff08\u5982\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u3001\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\uff09\u7684\u7ad9\u70b9\u6765\u8bf4\uff0c\u8fb9\u7f18\u9632\u62a4\u4e0d\u4ec5\u80fd\u964d\u4f4e\u8de8\u56fd\u8bbf\u95ee\u7684\u5ef6\u8fdf\uff0c\u8fd8\u80fd\u7edf\u4e00\u7ba1\u7406\u591a\u57df\u540d\u4e0e\u4e0d\u540c\u6258\u7ba1\u73af\u5883\u4e0b\u7684\u5b89\u5168\u7b56\u7565\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u8bc4\u4f30\u843d\u5730\u65b9\u6848\u6216\u9700\u8981\u5bf9\u63a5\u5177\u5907\u8fb9\u7f18\u811a\u672c\u4e0e WAF \u80fd\u529b\u7684\u670d\u52a1\u63d0\u4f9b\u5546\uff0c\u53ef\u4ee5\u53c2\u8003\u5e76\u5c1d\u8bd5\u5728\u4f60\u7684\u57df\u540d\u6ce8\u518c\u540e\u7ed3\u5408\u5408\u9002\u7684 CDN \u4e0e\u670d\u52a1\u5668\u90e8\u7f72\u8fdb\u884c\u5206\u9636\u6bb5\u4e0a\u7ebf\u4e0e\u6d4b\u8bd5\u3002<\/p>\n<p>\u63a8\u8350\u53c2\u8003\u7684\u4ea7\u54c1\u4e0e\u670d\u52a1\uff1a<a href=\"https:\/\/server.hk\/server.php\" target=\"_blank\" rel=\"noopener\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u4ee5\u53ca\u66f4\u591a\u5173\u4e8e\u6d77\u5916\u90e8\u7f72\uff08\u5982 <a href=\"https:\/\/server.hk\/server.php\" target=\"_blank\" rel=\"noopener\">\u7f8e\u56fd\u670d\u52a1\u5668<\/a>\u3001\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u3001\u57df\u540d\u6ce8\u518c\u3001\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\uff09\u7684\u65b9\u6848\u53ef\u5728\u672c\u7ad9\u627e\u5230\u8be6\u7ec6\u4fe1\u606f\uff1a<a href=\"https:\/\/server.hk\/\" target=\"_blank\" rel=\"noopener\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5168\u7403\u8fb9\u7f18\u5316\u7684\u4eca\u5929\uff0cCDN \u62e6\u622a XSS \u5df2\u6210\u4e3a\u63d0\u5347\u7ad9\u70b9\u5b89\u5168\u4e0e\u8bbf\u95ee\u6027\u80fd\u7684\u5173\u952e\u4e00\u62db\uff1b\u672c\u6587\u7528\u5b9e\u6218\u6848\u4f8b\u4e0e\u6280\u672f\u7ec6\u8282\uff0c\u6559\u4f60\u5728\u9999\u6e2f\u3001\u7f8e\u56fd\u53ca\u591a\u5730 VPS \u73af\u5883\u4e2d\u628a\u9632\u62a4\u524d\u79fb\u5230\u8fb9\u7f18\uff0c\u65e2\u964d\u98ce\u9669\u53c8\u63d0\u901f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4928],"tags":[3368,3367,3372,3371,3369,443,3373,527,3370],"class_list":["post-209699","post","type-post","status-publish","format-standard","hentry","category-4928","tag-cdn","tag-cdnxss","tag-csp","tag-waf","tag-xss","tag-443","tag-vps","tag-527","tag-3370"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209699","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209699"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209699\/revisions"}],"predecessor-version":[{"id":209700,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209699\/revisions\/209700"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}