{"id":210067,"date":"2025-10-24T04:54:08","date_gmt":"2025-10-23T20:54:08","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210067\/"},"modified":"2025-10-24T04:54:09","modified_gmt":"2025-10-23T20:54:09","slug":"cdn-267","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210067\/","title":{"rendered":"CDN\u53d1\u5c55\u8d8b\u52bf\u4e0e\u524d\u666f\u5c55\u671b\uff1a\u8fb9\u7f18\u5316\u3001\u667a\u80fd\u5316\u4e0e\u5b89\u5168\u5316\u4e09\u5927\u9a71\u52a8"},"content":{"rendered":"<p>\u968f\u7740\u4e92\u8054\u7f51\u5e94\u7528\u5bf9\u6027\u80fd\u3001\u53ef\u9760\u6027\u4e0e\u5b89\u5168\u7684\u8981\u6c42\u4e0d\u65ad\u63d0\u9ad8\uff0c\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u6b63\u5728\u8fdb\u5165\u4e00\u4e2a\u4ee5\u201c\u8fb9\u7f18\u5316\u3001\u667a\u80fd\u5316\u4e0e\u5b89\u5168\u5316\u201d\u4e3a\u6838\u5fc3\u7684\u52a0\u901f\u53d1\u5c55\u9636\u6bb5\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u5256\u6790\u672a\u6765 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POP\uff08\u7f8e\u56fd\u3001\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\uff09\u95f4\u52a8\u6001\u5206\u914d\u8bf7\u6c42\uff0c\u964d\u4f4e\u7528\u6237\u5ef6\u8fdf\u4e0e\u56de\u6e90\u5931\u8d25\u7387\u3002<\/li>\n<li>\u8282\u7701\u5e26\u5bbd\u6210\u672c\uff1a\u901a\u8fc7\u9884\u6d4b\u6027\u7f13\u5b58\u4e0e\u66f4\u9ad8\u547d\u4e2d\u7387\uff0c\u51cf\u5c11\u8de8\u56fd\u56de\u6e90\u6d41\u91cf\uff0c\u4ece\u800c\u964d\u4f4e\u6d77\u5916\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u5e26\u5bbd\u8d39\u7528\u3002<\/li>\n<li>\u63d0\u5347\u7a33\u5b9a\u6027\uff1a\u667a\u80fd\u6545\u969c\u5207\u6362\u80fd\u5728\u8282\u70b9\u5f02\u5e38\u65f6\u5feb\u901f reroute\uff0c\u51cf\u5c11\u670d\u52a1\u4e2d\u65ad\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<h2>\u5b89\u5168\u5316\uff1a\u8fb9\u7f18\u7684\u7b2c\u4e00\u9053\u9632\u7ebf<\/h2>\n<p>\u968f\u7740\u653b\u51fb\u624b\u6bb5\u590d\u6742\u5316\uff0cCDN \u5728\u8fb9\u7f18\u63d0\u4f9b\u7684\u5b89\u5168\u80fd\u529b\u6108\u53d1\u91cd\u8981\u3002\u6838\u5fc3\u5b89\u5168\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5206\u5e03\u5f0f DDoS \u7f13\u89e3\uff1a\u5728\u5168\u7403 POP \u5438\u6536\u653b\u51fb\u6d41\u91cf\uff0c\u7ed3\u5408\u901f\u7387\u9650\u5236\u4e0e\u6d41\u91cf\u6e05\u6d17\u7b97\u6cd5\u51cf\u5c11\u5bf9\u6e90\u7ad9\uff08\u5982\u9999\u6e2f VPS\u3001\u6d77\u5916\u670d\u52a1\u5668\uff09\u7684\u51b2\u51fb\u3002<\/li>\n<li>Web \u5e94\u7528\u9632\u706b\u5899\uff08WAF\uff09\uff1a\u57fa\u4e8e\u7b7e\u540d\u89c4\u5219\u4e0e\u884c\u4e3a\u5206\u6790\u7684\u53cc\u91cd\u673a\u5236\uff0c\u62e6\u622a SQL \u6ce8\u5165\u3001XSS\u3001\u6587\u4ef6\u4e0a\u4f20\u6cc4\u9732\u7b49\u5e38\u89c1\u5a01\u80c1\u3002<\/li>\n<li>Bot \u7ba1\u7406\u4e0e\u722c\u866b\u8bc6\u522b\uff1a\u901a\u8fc7\u6307\u7eb9\u3001\u884c\u4e3a\u5206\u6790\u4e0e\u58f0\u8a89\u7cfb\u7edf\u533a\u5206\u826f\u6027\u6d41\u91cf\u4e0e\u6076\u610f\u722c\u866b\uff0c\u4fdd\u62a4 API \u4e0e\u91c7\u96c6\u63a5\u53e3\u3002<\/li>\n<li>\u8fb9\u7f18 TLS \u4e0e\u8bc1\u4e66\u7ba1\u7406\uff1a\u81ea\u52a8\u5316\u8bc1\u4e66\u9881\u53d1\/\u7eed\u671f\u3001OCSP stapling \u4e0e TLS offload\uff0c\u964d\u4f4e\u6e90\u7ad9\u7684\u52a0\u5bc6\u8d1f\u62c5\u3002<\/li>\n<li>\u96f6\u4fe1\u4efb\u4e0e\u8bbf\u95ee\u63a7\u5236\uff1a\u7ed3\u5408\u77ed\u671f\u7b7e\u540d\u3001JWT \u6821\u9a8c\u4e0e\u57fa\u4e8e\u5730\u7406\/\u7f51\u7edc\u7b56\u7565\u7684\u8bbf\u95ee\u63a7\u5236\u3002<\/li>\n<\/ul>\n<p>\u5728\u9009\u62e9 CDN \u65f6\uff0c\u9700\u5173\u6ce8\u5176\u5728\u9999\u6e2f\u4e0e\u76ee\u6807\u7528\u6237\u5bc6\u96c6\u533a\u57df\u7684\u5b89\u5168\u80fd\u529b\u4e0e\u5408\u89c4\u6027\uff08\u5982\u6570\u636e\u4e3b\u6743\u3001\u65e5\u5fd7\u4fdd\u7559\u7b56\u7565\uff09\u3002<\/p>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u4f18\u52bf\u5bf9\u6bd4<\/h2>\n<p>\u4e0d\u540c\u5e94\u7528\u5bf9 CDN \u7684\u9700\u6c42\u4e0d\u540c\uff0c\u5e38\u89c1\u573a\u666f\u4e0e\u76f8\u5e94\u91cd\u70b9\uff1a<\/p>\n<ul>\n<li>\u9759\u6001\u7f51\u7ad9\u4e0e\u7535\u5546\uff1a\u9ad8\u547d\u4e2d\u7387\u7f13\u5b58\u7b56\u7565\u3001\u56fe\u7247\/\u8d44\u6e90\u4f18\u5316\u4e0e\u5168\u7403\u52a0\u901f\u662f\u5173\u952e\uff0c\u9999\u6e2f\u53ca\u65b0\u52a0\u5761 POP \u5bf9\u4e1c\u4e9a\u7528\u6237\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n<li>\u89c6\u9891\u70b9\u64ad \/ \u76f4\u64ad\uff1a\u9700\u8981\u8fb9\u7f18\u7f13\u5b58\u3001\u5206\u6bb5\u4f20\u8f93\uff08HLS\/DASH\uff09\u3001\u4f4e\u5ef6\u8fdf\u6d41\u5a92\u4f53\u534f\u8bae\u4e0e\u81ea\u9002\u5e94\u7801\u6d41\uff08ABR\uff09\u3002<\/li>\n<li>\u52a8\u6001 API \u4e0e Web \u5e94\u7528\uff1a\u501f\u52a9\u8fb9\u7f18\u8ba1\u7b97\u5904\u7406\u8ba4\u8bc1\u3001\u8def\u7531\u4e0e\u7b80\u5355\u903b\u8f91\uff0c\u540c\u65f6\u4fdd\u8bc1\u5f3a\u4e00\u81f4\u6027\u4e0e\u56de\u6e90\u7b56\u7565\u3002<\/li>\n<li>\u6e38\u620f\u4e0e\u5b9e\u65f6\u901a\u4fe1\uff1a\u4f9d\u8d56 QUIC\u3001\u957f\u671f\u8fde\u63a5\u4f18\u5316\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u4ee5\u5b9e\u73b0\u4f4e\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<p>\u5728\u5730\u7406\u5206\u5e03\u4e0a\uff0c\u82e5\u4e3b\u8981\u7528\u6237\u5728\u534e\u5357\u3001\u6e2f\u6fb3\u53f0\u53ca\u4e1c\u5357\u4e9a\uff0c\u4f18\u5148\u8003\u8651\u5728\u9999\u6e2f\u90e8\u7f72 POP \u4e0e\u8d2d\u4e70 <strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong> \u6216 <strong>\u9999\u6e2fVPS<\/strong> \u4f5c\u4e3a\u6e90\u7ad9\uff1b\u82e5\u7528\u6237\u5168\u7403\u5206\u5e03\u6216\u5317\u7f8e\u7528\u6237\u5360\u6bd4\u9ad8\uff0c\u5e94\u7ed3\u5408 <strong>\u7f8e\u56fd\u670d\u52a1\u5668<\/strong> \/ <strong>\u7f8e\u56fdVPS<\/strong> \u53ca\u591a\u56fd POP\uff08\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\uff09\u5b9e\u73b0\u591a\u6e90\u5907\u4efd\u4e0e\u591a CDN \u7b56\u7565\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u4ece\u9700\u6c42\u5230\u843d\u5730<\/h2>\n<p>\u4e3a\u4e0d\u540c\u4e1a\u52a1\u9009\u62e9\u5408\u9002\u7684 CDN\uff0c\u9700\u8981\u4ece\u6280\u672f\u4e0e\u8fd0\u8425\u4e24\u4e2a\u7ef4\u5ea6\u8861\u91cf\uff1a<\/p>\n<h3>\u6280\u672f\u7ef4\u5ea6<\/h3>\n<ul>\n<li>POP \u8986\u76d6\u4e0e\u7f51\u7edc\u4e92\u8054\u8d28\u91cf\uff1a\u8bc4\u4f30\u5728\u76ee\u6807\u5e02\u573a\uff08\u9999\u6e2f\/\u4e1c\u4e9a\/\u5317\u7f8e\uff09\u7684 POP \u5bc6\u5ea6\u4e0e ISP \u5bf9\u7b49\u70b9\uff08IXP\/Peering\uff09\u3002<\/li>\n<li>\u534f\u8bae\u652f\u6301\uff1a\u786e\u8ba4\u662f\u5426\u652f\u6301 HTTP\/3\u3001TLS 1.3\u3001WebSocket\u3001gRPC \u7b49\u3002<\/li>\n<li>\u8fb9\u7f18\u80fd\u529b\uff1a\u662f\u5426\u63d0\u4f9b Serverless\u3001\u8fb9\u7f18 KV\u3001Image\/Video Optimization\u3001\u5b9e\u65f6\u65e5\u5fd7\u4e0e RUM\u3002<\/li>\n<li>\u5b89\u5168\u80fd\u529b\uff1aWAF\u3001DDoS\u3001Bot \u7ba1\u7406\u4e0e\u7ec6\u7c92\u5ea6\u8bbf\u95ee\u63a7\u5236\u3002<\/li>\n<li>\u7f13\u5b58\u63a7\u5236\u7075\u6d3b\u6027\uff1a\u6309\u8def\u5f84\u3001Cookie\u3001QueryString\u3001Header \u7684\u7f13\u5b58\u7b56\u7565\u4e0e\u5b9e\u65f6\u5931\u6548\uff08Purge\uff09\u80fd\u529b\u3002<\/li>\n<li>\u53ef\u89c2\u6d4b\u6027\uff1a\u539f\u59cb\u8bbf\u95ee\u65e5\u5fd7\u3001\u8fb9\u7f18\u76d1\u63a7\u3001SLA \u62a5\u8868\u4e0e API \u5bfc\u51fa\u80fd\u529b\u3002<\/li>\n<\/ul>\n<h3>\u8fd0\u8425\u7ef4\u5ea6<\/h3>\n<ul>\n<li>\u8ba1\u8d39\u6a21\u578b\uff1a\u6309\u6d41\u91cf\u3001\u8bf7\u6c42\u6570\u6216\u6309\u529f\u80fd\u5206\u5c42\u6536\u8d39\uff0c\u4f30\u7b97\u4e0d\u540c\u533a\u57df\u5e26\u5bbd\u6210\u672c\uff08\u8de8\u5883\u6d41\u91cf\u901a\u5e38\u66f4\u8d35\uff09\u3002<\/li>\n<li>\u6280\u672f\u652f\u6301\u4e0e SLA\uff1a\u7279\u522b\u662f\u5bf9\u4f01\u4e1a\u7528\u6237\uff0c\u662f\u5426\u63d0\u4f9b 24\/7 \u6280\u672f\u652f\u6301\u4e0e\u660e\u786e\u7684\u6545\u969c\u54cd\u5e94\u65f6\u95f4\u3002<\/li>\n<li>\u5408\u89c4\u4e0e\u6570\u636e\u5b58\u50a8\uff1a\u65e5\u5fd7\u4fdd\u7559\u4f4d\u7f6e\u3001\u9690\u79c1\u5408\u89c4\uff08\u5982 GDPR\uff09\u9700\u6c42\u3002<\/li>\n<li>\u591a\u6e90\u4e0e\u591a CDN\uff1a\u8bc4\u4f30\u662f\u5426\u9700\u8981\u5728 <strong>\u7f8e\u56fd\u670d\u52a1\u5668<\/strong> \u4e0e <strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong> \u4e4b\u95f4\u5b9e\u73b0\u591a\u6e90\u5907\u63f4\uff0c\u4ee5\u53ca\u662f\u5426\u91c7\u7528\u591a CDN \u4ee5\u5b9e\u73b0\u66f4\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<p>\u7ed3\u5408\u4e0a\u8ff0\u7ef4\u5ea6\uff0c\u7ad9\u957f\u4e0e\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u91cd\u5fc3\u9009\u62e9\u5408\u9002\u7684\u8d44\u6e90\u3002\u4f8b\u5982\uff0c\u9762\u5411\u9999\u6e2f\u4e0e\u4e1c\u4e9a\u7528\u6237\u7684\u7535\u5546\u53ef\u4ee5\u4ee5\u9999\u6e2f\u670d\u52a1\u5668\u4f5c\u4e3a\u4e3b\u6e90\uff0c\u914d\u5408\u9999\u6e2fVPS \u8fdb\u884c\u8fb9\u7f18\u4efb\u52a1\u5904\u7406\uff1b\u5168\u7403\u5316 SaaS \u5219\u5e94\u91c7\u7528\u591a\u533a\u57df\u6e90\u7ad9\uff08\u542b\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u4e0e\u591a POP \u7684 CDN\uff0c\u540c\u65f6\u542f\u7528\u667a\u80fd\u8def\u7531\u4e0e\u5b9e\u65f6\u76d1\u63a7\u3002<\/p>\n<h2>\u5b9e\u65bd\u8981\u70b9\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h2>\n<ul>\n<li>\u4ece\u5c0f\u89c4\u6a21\u7070\u5ea6\u5f00\u59cb\uff1a\u5148\u5728\u90e8\u5206\u6d41\u91cf\u5f00\u542f\u8fb9\u7f18\u89c4\u5219\u4e0e\u51fd\u6570\uff0c\u9a8c\u8bc1\u6027\u80fd\u4e0e\u5b89\u5168\u6027\u540e\u518d\u5168\u9762\u63a8\u5e7f\u3002<\/li>\n<li>\u7ec6\u5316\u7f13\u5b58\u7b56\u7565\uff1a\u5bf9\u9759\u6001\u8d44\u6e90\u4f7f\u7528\u957f\u671f\u7f13\u5b58\u4e0e\u7248\u672c\u53f7\uff0c\u5bf9\u52a8\u6001\u5185\u5bb9\u4f7f\u7528\u77ed TTL \u6216\u57fa\u4e8e Cookie \u7684\u8def\u7531\u3002<\/li>\n<li>\u5c06\u52a0\u5bc6\u4e0e\u8ba4\u8bc1\u653e\u5230\u8fb9\u7f18\uff1aTLS offload \u4e0e\u8fb9\u7f18\u8eab\u4efd\u6821\u9a8c\u80fd\u663e\u8457\u964d\u4f4e\u6e90\u7ad9\u8d1f\u8f7d\u3002<\/li>\n<li>\u5efa\u7acb\u5168\u9762\u7684\u89c2\u6d4b\u4f53\u7cfb\uff1a\u6574\u5408 RUM\u3001\u8fb9\u7f18\u6307\u6807\u3001\u540e\u7aef\u6307\u6807\u4e0e\u544a\u8b66\uff0c\u5f62\u6210\u95ed\u73af\u4f18\u5316\u6d41\u7a0b\u3002<\/li>\n<li>\u8fdb\u884c\u6210\u672c-\u6027\u80fd\u6743\u8861\uff1a\u6309\u533a\u57df\u8c03\u4f18\u7f13\u5b58\u4e0e\u56de\u6e90\u9891\u6b21\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8de8\u5883\u56de\u6e90\u5e26\u5bbd\u6d88\u8017\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3\u4e0e\u5c55\u671b<\/h2>\n<p>CDN \u6b63\u5728\u4ece\u5355\u7eaf\u7684\u5185\u5bb9\u7f13\u5b58\u6f14\u8fdb\u4e3a\u8fb9\u7f18\u8ba1\u7b97\u3001\u667a\u80fd\u8c03\u5ea6\u4e0e\u5b89\u5168\u9632\u62a4\u7684\u7efc\u5408\u5e73\u53f0\u3002\u672a\u6765\u51e0\u5e74\uff0c\u968f\u7740 HTTP\/3 \u7684\u666e\u53ca\u3001\u8fb9\u7f18\u51fd\u6570\u80fd\u529b\u7684\u589e\u5f3a\u4e0e ML \u5728\u6d41\u91cf\u9884\u6d4b\u4e0e\u5b89\u5168\u68c0\u6d4b\u4e2d\u7684\u5e7f\u6cdb\u5e94\u7528\uff0cCDN 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href=\"https:\/\/server.hk\/\">Server.HK<\/a>\uff0c\u6216\u76f4\u63a5\u67e5\u770b <a href=\"https:\/\/server.hk\/server.php\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u3002\u540c\u65f6\uff0c\u8003\u8651\u5230\u5168\u7403\u5316\u9700\u6c42\uff0c\u4e5f\u53ef\u8bc4\u4f30 <strong>\u7f8e\u56fd\u670d\u52a1\u5668<\/strong>\u3001<strong>\u9999\u6e2fVPS<\/strong>\u3001<strong>\u7f8e\u56fdVPS<\/strong>\u3001<strong>\u65e5\u672c\u670d\u52a1\u5668<\/strong>\u3001<strong>\u97e9\u56fd\u670d\u52a1\u5668<\/strong> \u4e0e <strong>\u65b0\u52a0\u5761\u670d\u52a1\u5668<\/strong> 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