{"id":209717,"date":"2025-10-23T21:11:36","date_gmt":"2025-10-23T13:11:36","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209717\/"},"modified":"2025-10-23T21:11:37","modified_gmt":"2025-10-23T13:11:37","slug":"cdn-102","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209717\/","title":{"rendered":"CDN\u9632\u62a4\u63ed\u79d8\uff1a\u963b\u65ad\u7f51\u7ad9\u654f\u611f\u4fe1\u606f\u6cc4\u9732\u7684\u5b9e\u6218\u7b56\u7565"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>\u5728\u5f53\u4eca\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u7f51\u7ad9\u9664\u4e86\u8981\u8ffd\u6c42\u8bbf\u95ee\u901f\u5ea6\u548c\u53ef\u7528\u6027\u5916\uff0c\u6700\u91cd\u8981\u7684\u4efb\u52a1\u4e4b\u4e00\u662f<strong>\u9632\u6b62\u654f\u611f\u4fe1\u606f\u6cc4\u9732<\/strong>\u3002\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u4f5c\u4e3a\u52a0\u901f\u4e0e\u8fb9\u7f18\u9632\u62a4\u7684\u91cd\u8981\u624b\u6bb5\uff0c\u540c\u65f6\u4e5f\u53ef\u80fd\u56e0\u4e3a\u914d\u7f6e\u4e0d\u5f53\u800c\u6210\u4e3a\u6570\u636e\u6cc4\u9732\u7684\u6e90\u5934\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u5256\u6790 CDN \u5728\u963b\u65ad\u654f\u611f\u4fe1\u606f\u6cc4\u9732\u65b9\u9762\u7684\u5b9e\u6218\u7b56\u7565\uff0c\u6db5\u76d6\u539f\u7406\u3001\u5178\u578b\u6cc4\u9732\u573a\u666f\u3001\u6280\u672f\u5bf9\u7b56\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u8bfb\u8005\u5728\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u6d77\u5916\u670d\u52a1\u5668\u65f6\u6784\u5efa\u66f4\u5b89\u5168\u7684\u53d1\u5e03\u4f53\u7cfb\u3002<\/p>\n<h2>CDN \u9632\u62a4\u7684\u57fa\u672c\u539f\u7406\u4e0e\u98ce\u9669\u70b9<\/h2>\n<p>CDN \u7684\u6838\u5fc3\u529f\u80fd\u662f\u5c06\u5185\u5bb9\u7f13\u5b58\u5230\u8fb9\u7f18\u8282\u70b9\u4ee5\u63d0\u5347\u8bbf\u95ee\u901f\u5ea6\uff0c\u5e76\u901a\u8fc7\u8fb9\u7f18\u6765\u5206\u62c5\u6e90\u7ad9\u6d41\u91cf\u3002\u4f46\u5176\u5de5\u4f5c\u673a\u5236\u4e5f\u5f15\u5165\u82e5\u5e72\u98ce\u9669\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u7f13\u5b58\u66b4\u9732<\/strong>\uff1a\u654f\u611f API \u54cd\u5e94\u3001\u7ba1\u7406\u540e\u53f0\u9875\u9762\u6216\u79c1\u4eba\u6587\u4ef6\u88ab\u7f13\u5b58\u5230\u516c\u5171\u8282\u70b9\uff0c\u5bfc\u81f4\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u3002<\/li>\n<li><strong>\u5934\u4fe1\u606f\u6cc4\u9732<\/strong>\uff1a\u672a\u6b63\u786e\u8fc7\u6ee4\u7684\u54cd\u5e94\u5934\uff08\u5982 Server\u3001X-Powered-By\u3001\u5185\u90e8\u8c03\u8bd5\u5934\uff09\u6cc4\u9732\u5185\u7f51\u7ed3\u6784\u3001\u8f6f\u4ef6\u7248\u672c\u4fe1\u606f\u3002<\/li>\n<li><strong>CORS \u4e0e JSONP \u6f0f\u6d1e<\/strong>\uff1a\u5bbd\u677e\u7684\u8de8\u57df\u7b56\u7565\u6216\u4e0d\u5b89\u5168\u7684 JSONP \u56de\u8c03\u53ef\u80fd\u5bfc\u81f4\u654f\u611f\u6570\u636e\u88ab\u7b2c\u4e09\u65b9\u57df\u7a83\u53d6\u3002<\/li>\n<li><strong>\u6765\u6e90\u4f2a\u9020\u4e0e\u7f13\u5b58\u4e2d\u6bd2<\/strong>\uff1a\u653b\u51fb\u8005\u901a\u8fc7\u6784\u9020\u6076\u610f\u8bf7\u6c42\u6c61\u67d3\u7f13\u5b58\uff0c\u5411\u5176\u4ed6\u7528\u6237\u8fd4\u56de\u4e0d\u6b63\u786e\u6216\u6076\u610f\u5185\u5bb9\u3002<\/li>\n<li><strong>\u65e5\u5fd7\u4e0e\u4e34\u65f6\u6587\u4ef6\u6cc4\u9732<\/strong>\uff1a\u5907\u4efd\u6587\u4ef6\u3001\u65e5\u5fd7\u6587\u4ef6\u6216 .git\/.env \u7b49\u654f\u611f\u6587\u4ef6\u88ab CDN \u7f13\u5b58\u5e76\u66b4\u9732\u3002<\/li>\n<\/ul>\n<h3>\u7f13\u5b58\u952e\u4e0e\u7f13\u5b58\u9694\u79bb<\/h3>\n<p>CDN \u4f7f\u7528\u201c\u7f13\u5b58\u952e\u201d\u51b3\u5b9a\u4e0d\u540c\u8bf7\u6c42\u662f\u5426\u547d\u4e2d\u76f8\u540c\u7f13\u5b58\u3002\u5e38\u89c1\u952e\u5305\u62ec URL \u8def\u5f84\u3001\u67e5\u8be2\u5b57\u7b26\u4e32\u3001Cookie\u3001\u8bf7\u6c42\u5934\u7b49\u3002<strong>\u4e0d\u5f53\u7684\u7f13\u5b58\u952e\u914d\u7f6e\u5bb9\u6613\u5bfc\u81f4\u654f\u611f\u54cd\u5e94\u88ab\u4e0d\u540c\u7528\u6237\u5171\u4eab<\/strong>\u3002\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5bf9\u542b\u7528\u6237\u654f\u611f\u4fe1\u606f\u7684\u63a5\u53e3\uff08\u5982 \/api\/user\/profile\uff09\u4f7f\u7528 Cache-Control: no-store \u6216 private\u3002<\/li>\n<li>\u5728\u9700\u8981\u7f13\u5b58\u7684\u52a8\u6001\u9875\u9762\u4e0a\uff0c\u5229\u7528 Vary\u3001Cache-Control\u3001Surrogate-Key \u7b49\u7cbe\u7ec6\u5316\u63a7\u5236\u7f13\u5b58\u8303\u56f4\u3002<\/li>\n<li>\u5bf9 API \u4f7f\u7528\u57fa\u4e8e\u8ba4\u8bc1\u4ee4\u724c\u7684\u7f13\u5b58\u9694\u79bb\uff08\u4f8b\u5982\u901a\u8fc7 Authorization \u5934\u6216\u72ec\u7acb\u5b50\u57df\u6258\u7ba1 API\uff09\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u6218\u7b56\u7565<\/h2>\n<p>\u4e0b\u9762\u6309\u5177\u4f53\u573a\u666f\u5217\u51fa\u53ef\u843d\u5730\u7684\u9632\u62a4\u5bf9\u7b56\uff0c\u4fbf\u4e8e\u5728\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u6216\u5176\u4ed6\u6d77\u5916\u670d\u52a1\u5668\u73af\u5883\u4e2d\u5b9e\u65bd\u3002<\/p>\n<h3>1. \u9759\u6001\u8d44\u6e90\u4e0e\u516c\u5f00\u5185\u5bb9\u52a0\u901f<\/h3>\n<ul>\n<li>\u5c06\u516c\u5f00\u8d44\u6e90\uff08\u56fe\u7247\u3001JS\u3001CSS\uff09\u653e\u5728\u72ec\u7acb\u7684 CDN \u5b50\u57df\uff08\u4f8b\u5982 static.example.com\uff09\uff0c\u5e76\u8bbe\u7f6e\u957f\u671f\u7f13\u5b58\uff08Cache-Control: public, max-age=31536000\uff09\u4ee5\u51cf\u5c11\u56de\u6e90\u3002<\/li>\n<li>\u5f00\u542f\u8d44\u6e90\u6307\u7eb9\uff08\u6587\u4ef6\u540d\u5305\u542b\u54c8\u5e0c\uff09\u914d\u5408\u7248\u672c\u63a7\u5236\uff0c\u907f\u514d\u56e0\u7f13\u5b58\u6ede\u540e\u6cc4\u9732\u65e7\u7248\u672c\u4fe1\u606f\u3002<\/li>\n<li>\u4f7f\u7528\u5b50\u8d44\u6e90\u5b8c\u6574\u6027\uff08SRI\uff09\u5bf9\u7b2c\u4e09\u65b9\u811a\u672c\u8fdb\u884c\u6821\u9a8c\uff0c\u9632\u6b62 CDN \u8fb9\u7f18\u8282\u70b9\u88ab\u7be1\u6539\u540e\u5f71\u54cd\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n<h3>2. \u52a8\u6001\u5185\u5bb9\u4e0e API \u5b89\u5168<\/h3>\n<ul>\n<li>\u5bf9\u6240\u6709\u654f\u611f API \u5f3a\u5236\u4f7f\u7528 HTTPS\uff08TLS 1.2\/1.3\uff09\uff0c\u5e76\u5728 CDN \u5c42\u505a TLS \u7ec8\u7aef\u6216\u65b9\u5f0f\u4e3a\u201c\u7aef\u5230\u7aef\u52a0\u5bc6\u201d\uff08origin pull TLS\uff09\u4ee5\u907f\u514d\u4e2d\u95f4\u89e3\u5bc6\u6cc4\u9732\u3002<\/li>\n<li>\u4f7f\u7528\u77ed\u751f\u547d\u5468\u671f\u7684\u7b7e\u540d URL \u6216 JWT \u7b7e\u540d\u6765\u63a7\u5236\u8d44\u6e90\u8bbf\u95ee\uff0c\u907f\u514d\u76f4\u63a5\u7f13\u5b58\u5305\u542b\u4e2a\u4eba\u4fe1\u606f\u7684\u54cd\u5e94\u3002<\/li>\n<li>\u9488\u5bf9\u5e38\u89c1 REST\/GraphQL \u63a5\u53e3\uff0c\u8bbe\u7f6e Cache-Control: private \u6216 no-store\uff0c\u914d\u5408\u8fb9\u7f18\u901f\u7387\u9650\u5236\uff08rate limiting\uff09\u9632\u6b62\u679a\u4e3e\u6cc4\u9732\u3002<\/li>\n<\/ul>\n<h3>3. \u7ba1\u7406\u540e\u53f0\u4e0e\u654f\u611f\u6587\u4ef6\u4fdd\u62a4<\/h3>\n<ul>\n<li>\u7ba1\u7406\u5165\u53e3\u4f7f\u7528\u5355\u72ec\u5b50\u57df\u6216\u7aef\u53e3\uff0c\u5e76\u901a\u8fc7 WAF\uff08Web Application Firewall\uff09\u5728\u8fb9\u7f18\u963b\u65ad\u5e38\u89c1\u653b\u51fb\uff08SQL \u6ce8\u5165\u3001XSS \u7b49\uff09\u3002<\/li>\n<li>\u5bf9 \/admin\/\u3001\/wp-admin\/\u3001\/api\/debug \u7b49\u8def\u5f84\u5728 CDN \u4e0a\u542f\u7528 IP \u767d\u540d\u5355\u6216\u53cc\u56e0\u7d20\u8ba4\u8bc1\u4fdd\u62a4\u3002<\/li>\n<li>\u7981\u6b62\u76ee\u5f55\u5217\u8868\u5e76\u786e\u4fdd .git\u3001.env\u3001\u5907\u4efd.zip \u7b49\u6587\u4ef6\u4e0d\u4f1a\u88ab\u516c\u5f00\u6216\u7f13\u5b58\u3002\u82e5\u8fd9\u4e9b\u6587\u4ef6\u66fe\u88ab\u8bef\u516c\u5f00\uff0c\u5e94\u7acb\u5373\u5728 CDN \u4e0a\u6e05\u9664\u7f13\u5b58\u5e76\u4fee\u590d\u6e90\u7ad9\u3002<\/li>\n<\/ul>\n<h3>4. \u8de8\u57df\u4e0e CSP \u7ba1\u7406<\/h3>\n<ul>\n<li>\u4e25\u683c\u5236\u5b9a CORS \u7b56\u7565\uff0c\u4ec5\u5141\u8bb8\u53ef\u4fe1\u57df\u8bbf\u95ee\u654f\u611f\u63a5\u53e3\uff0c\u907f\u514d\u8bbe\u7f6e Access-Control-Allow-Origin: *<\/li>\n<li>\u901a\u8fc7 Content-Security-Policy \u9650\u5236\u53ef\u6267\u884c\u811a\u672c\u6765\u6e90\u548c\u8d44\u6e90\u52a0\u8f7d\u57df\uff0c\u51cf\u5c11\u7b2c\u4e09\u65b9\u811a\u672c\u7a83\u53d6\u6570\u636e\u7684\u98ce\u9669\u3002<\/li>\n<\/ul>\n<h3>5. \u65e5\u5fd7\u3001\u76d1\u63a7\u4e0e\u53ef\u8ffd\u6eaf\u6027<\/h3>\n<ul>\n<li>\u542f\u7528\u8fb9\u7f18\u8bbf\u95ee\u65e5\u5fd7\u5e76\u5c06\u65e5\u5fd7\u5b89\u5168\u5730\u56de\u4f20\u5230\u96c6\u4e2d\u5316\u65e5\u5fd7\u7cfb\u7edf\uff0c\u8bbe\u7f6e\u544a\u8b66\u89c4\u5219\uff08\u5f02\u5e38\u6d41\u91cf\u3001\u975e\u6b63\u5e38\u7f13\u5b58\u547d\u4e2d\u7387\u53d8\u5316\uff09\u3002<\/li>\n<li>\u5728\u53d1\u73b0\u7591\u4f3c\u6cc4\u9732\u65f6\uff0c\u8fc5\u901f\u4f7f\u7528 CDN \u7684\u5373\u65f6\u6e05\u7406\uff08purge\uff09\u529f\u80fd\u5e76\u67e5\u627e\u53d7\u5f71\u54cd\u7684\u7f13\u5b58\u952e\u4e0e\u8bf7\u6c42\u6837\u672c\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u4ec5\u4f7f\u7528\u6e90\u7ad9 vs \u4f7f\u7528 CDN + \u6e90\u7ad9<\/h2>\n<p>\u4e3a\u5e2e\u52a9\u51b3\u7b56\uff0c\u4e0b\u9762\u5217\u4e3e\u4e24\u8005\u5728\u9632\u62a4\u654f\u611f\u4fe1\u606f\u65b9\u9762\u7684\u5dee\u5f02\uff1a<\/p>\n<ul>\n<li><strong>\u4ec5\u6e90\u7ad9<\/strong>\uff1a\u63a7\u5236\u9762\u96c6\u4e2d\uff0c\u65e5\u5fd7\u4e0e\u8bbf\u95ee\u63a7\u5236\u76f4\u63a5\u7531\u670d\u52a1\u5668\u7ba1\u7406\uff0c\u4f46\u5728\u6d41\u91cf\u9ad8\u5cf0\u6216\u5730\u7406\u5206\u5e03\u5e7f\u7684\u60c5\u51b5\u4e0b\u66f4\u96be\u4ee5\u5e94\u5bf9\u5206\u5e03\u5f0f\u653b\u51fb\u4e0e\u5ef6\u8fdf\u95ee\u9898\u3002<\/li>\n<li><strong>CDN + \u6e90\u7ad9<\/strong>\uff1a\u5728\u63d0\u9ad8\u53ef\u7528\u6027\u4e0e\u52a0\u901f\u7684\u540c\u65f6\uff0c\u63d0\u4f9b\u8fb9\u7f18 WAF\u3001DDoS \u7f13\u89e3\u3001\u8bbf\u95ee\u901f\u7387\u9650\u5236\u7b49\u989d\u5916\u4fdd\u62a4\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7f13\u5b58\u914d\u7f6e\u3001\u5934\u90e8\u6e05\u6d17\u548c TLS 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\u7684\u8282\u70b9\u8986\u76d6\u4e0e\u53ef\u6269\u5c55\u6027\u3002<\/li>\n<li>\u9009\u62e9\u652f\u6301\u7ec6\u7c92\u5ea6\u7f13\u5b58\u63a7\u5236\u3001\u5b9e\u65f6\u65e5\u5fd7\u4e0e\u5f3a\u5927 WAF \u89c4\u5219\u7684 CDN \u670d\u52a1\uff1b\u540c\u65f6\u786e\u4fdd\u80fd\u4e0e\u57df\u540d\u6ce8\u518c\u6d41\u7a0b\u65e0\u7f1d\u96c6\u6210\uff08\u5982 DNS \u6258\u7ba1\u4e0e\u8bc1\u4e66\u81ea\u52a8\u5316\uff09\u3002<\/li>\n<li>\u5bf9\u4e8e\u9884\u7b97\u6709\u9650\u4f46\u9700\u8981\u7075\u6d3b\u6027\u7684\u9879\u76ee\uff0c\u9999\u6e2fVPS \u6216\u7f8e\u56fdVPS 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