{"id":209923,"date":"2025-10-24T01:17:58","date_gmt":"2025-10-23T17:17:58","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209923\/"},"modified":"2025-10-24T01:17:59","modified_gmt":"2025-10-23T17:17:59","slug":"cdn-195","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209923\/","title":{"rendered":"CDN\u5b9e\u65f6\u6d41\u91cf\u76d1\u63a7\uff1a\u5feb\u901f\u5b9a\u4f4d\u4e0e\u4f18\u5316\u6280\u5de7"},"content":{"rendered":"<p>\u5728\u5f53\u4eca\u5168\u7403\u5316\u7684\u7f51\u7ad9\u4e0e\u5e94\u7528\u90e8\u7f72\u4e2d\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u5df2\u7ecf\u6210\u4e3a\u63d0\u5347\u6027\u80fd\u4e0e\u53ef\u7528\u6027\u7684\u5173\u952e\u7ec4\u4ef6\u3002\u5bf9\u4e8e\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\u800c\u8a00\uff0c<strong>\u5b9e\u65f6\u6d41\u91cf\u76d1\u63a7<\/strong>\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u5feb\u901f\u5b9a\u4f4d\u6545\u969c\uff0c\u8fd8\u80fd\u4e3a\u6d41\u91cf\u4f18\u5316\u4e0e\u6210\u672c\u63a7\u5236\u63d0\u4f9b\u51b3\u7b56\u4f9d\u636e\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5b9e\u8df5\u573a\u666f\u3001\u5173\u952e\u6307\u6807\u3001\u5b9a\u4f4d\u4e0e\u4f18\u5316\u6280\u5de7\uff0c\u4ee5\u53ca\u9009\u8d2d\u5efa\u8bae\u7b49\u65b9\u9762\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5229\u7528\u5b9e\u65f6\u76d1\u63a7\u5e73\u53f0\u5bf9 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QUIC\uff08HTTP\/3\uff09\uff1a\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0cQUIC \u5bf9\u4e22\u5305\u6062\u590d\u4e0e\u8fde\u63a5\u590d\u7528\u6709\u660e\u663e\u4f18\u52bf\uff0c\u76d1\u63a7\u5e94\u5305\u542b\u8fde\u63a5\u590d\u7528\u7387\u4e0e\u4e22\u5305\u7387\u3002<\/li>\n<\/ul>\n<h2>\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u7684\u5b9e\u64cd\u6d41\u7a0b<\/h2>\n<p>\u5f53\u76d1\u63a7\u544a\u8b66\u89e6\u53d1\u65f6\uff0c\u5efa\u8bae\u6309\u4ee5\u4e0b\u6d41\u7a0b\u8fdb\u884c\u5feb\u901f\u5b9a\u4f4d\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u57df\u540d\/\u5206\u5730\u57df\u9694\u79bb<\/strong>\uff1a\u5148\u5224\u65ad\u662f\u5426\u4e3a\u5355\u4e2a\u57df\u540d\u6216\u67d0\u4e00\u533a\u57df\uff08\u5982\u9999\u6e2f\u3001\u7f8e\u56fd\u6216\u65e5\u672c\uff09\u6545\u969c\uff0c\u501f\u52a9\u5168\u7403\u63a2\u9488\u6216 RUM 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\u7f8e\u56fdVPS\uff09\u65f6\u5e38\u89c1\u3002<\/li>\n<li><strong>\u56de\u6eda\u7b56\u7565<\/strong>\uff1a\u82e5\u662f\u914d\u7f6e\u53d8\u66f4\u5f15\u53d1\u95ee\u9898\uff0c\u5feb\u901f\u56de\u6eda CDN \u914d\u7f6e\u4e0e\u76f8\u5173\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff0c\u51cf\u5c0f\u5f71\u54cd\u9762\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u5316\u6280\u5de7\u4e0e\u6848\u4f8b<\/h2>\n<h3>\u7f13\u5b58\u7b56\u7565\u4f18\u5316<\/h3>\n<ul>\n<li>\u4e3a\u9759\u6001\u8d44\u6e90\u8bbe\u7f6e\u5408\u7406\u7684 Cache-Control\uff08max-age, immutable\uff09\uff0c\u5bf9\u52a8\u6001\u9875\u9762\u91c7\u7528 Edge Side Includes\uff08ESI\uff09\u6216\u5206\u6bb5\u7f13\u5b58\u3002<\/li>\n<li>\u5bf9\u7528\u6237\u4e2a\u6027\u5316\u5185\u5bb9\u4f7f\u7528\u5dee\u5f02\u5316\u7f13\u5b58\u952e\uff0c\u907f\u514d Cookie\/Authorization \u5bfc\u81f4\u7f13\u5b58\u5931\u6548\u3002<\/li>\n<\/ul>\n<h3>\u667a\u80fd\u8def\u7531\u4e0e\u8d1f\u8f7d\u5747\u8861<\/h3>\n<ul>\n<li>\u5229\u7528\u5730\u7406\u8def\u7531\u4e0e\u5065\u5eb7\u68c0\u67e5\u5c06\u6d41\u91cf\u5bfc\u5411\u6700\u8fd1\u4e14\u53ef\u7528\u7684\u8282\u70b9\uff0c\u8fd9\u5bf9\u4e8e\u90e8\u7f72\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u65b0\u52a0\u5761\u670d\u52a1\u5668\u7684\u7528\u6237\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n<li>\u7ed3\u5408 Anycast \u4e0e\u667a\u80fd DNS\uff0c\u5b9e\u73b0\u5168\u7403\uff08\u5305\u62ec\u97e9\u56fd\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u5feb\u901f\u6545\u969c\u5207\u6362\u3002<\/li>\n<\/ul>\n<h3>\u5b89\u5168\u4e0e\u6297\u653b\u51fb<\/h3>\n<ul>\n<li>\u5b9e\u65f6\u6d41\u91cf\u5f02\u5e38\u68c0\u6d4b\u7ed3\u5408\u901f\u7387\u9650\u5236\u3001WAF \u89c4\u5219\u4e0e ACL\uff0c\u80fd\u5728\u5206\u949f\u7ea7\u522b\u7f13\u89e3\u6d41\u91cf\u6d2a\u5cf0\u6216\u6076\u610f\u8bf7\u6c42\u3002<\/li>\n<li>\u5bf9 DDoS 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