{"id":209615,"date":"2025-10-23T19:11:08","date_gmt":"2025-10-23T11:11:08","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209615\/"},"modified":"2025-10-23T19:11:09","modified_gmt":"2025-10-23T11:11:09","slug":"cdn-63","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209615\/","title":{"rendered":"\u653f\u52a1\u7f51\u7ad9CDN\u52a0\u901f\u5b9e\u6218\uff1a\u5b89\u5168\u53ef\u63a7\u7684\u9ad8\u53ef\u7528\u843d\u5730\u65b9\u6848"},"content":{"rendered":"<p>\u5728\u5f53\u4eca\u653f\u52a1\u7f51\u7ad9\u5bf9\u5916\u670d\u52a1\u7684\u573a\u666f\u4e2d\uff0c\u65e2\u8981\u6c42\u5bf9\u516c\u4f17\u63d0\u4f9b\u7a33\u5b9a\u3001\u5feb\u901f\u7684\u8bbf\u95ee\u4f53\u9a8c\uff0c\u53c8\u5fc5\u987b\u6ee1\u8db3\u5b89\u5168\u3001\u53ef\u63a7\u548c\u5408\u89c4\u7684\u8981\u6c42\u3002CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u4f5c\u4e3a\u63d0\u5347\u53ef\u7528\u6027\u548c\u8bbf\u95ee\u901f\u5ea6\u7684\u5173\u952e\u6280\u672f\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u653f\u5e9c\u3001\u4e8b\u4e1a\u5355\u4f4d\u7f51\u7ad9\u7684\u52a0\u901f\u4e0e\u6297\u538b\u90e8\u7f72\u3002\u672c\u6587\u7ed3\u5408\u5b9e\u6218\u7ecf\u9a8c\uff0c\u4ece\u539f\u7406\u5230\u5de5\u7a0b\u843d\u5730\uff0c\u9010\u6b65\u62c6\u89e3\u5982\u4f55\u4e3a\u653f\u52a1\u7f51\u7ad9\u8bbe\u8ba1\u4e00\u5957\u201c\u5b89\u5168\u53ef\u63a7\u7684\u9ad8\u53ef\u7528CDN\u52a0\u901f\u65b9\u6848\u201d\uff0c\u5e76\u7ed9\u51fa\u9009\u8d2d\u5efa\u8bae\u4e0e\u5e38\u89c1\u573a\u666f\u7684\u5b9e\u73b0\u8981\u70b9\u3002\u6587\u4e2d\u81ea\u7136\u6d89\u53ca\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u3001\u57df\u540d\u6ce8\u518c\u4ee5\u53ca\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\u7b49\u90e8\u7f72\u9009\u9879\uff0c\u4f9b\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\u53c2\u8003\u3002<\/p>\n<h2>\u5f15\u8a00\uff1a\u4e3a\u4ec0\u4e48\u653f\u52a1\u7f51\u7ad9\u9700\u8981\u4e13\u95e8\u7684CDN\u52a0\u901f\u65b9\u6848<\/h2>\n<p>\u653f\u52a1\u7f51\u7ad9\u9762\u4e34\u7684\u6311\u6218\u6709\u522b\u4e8e\u666e\u901a\u5546\u4e1a\u7f51\u7ad9\uff1a\u9ad8\u8bbf\u95ee\u5e76\u53d1\u6ce2\u52a8\u5927\u3001\u5bf9\u5185\u5bb9\u5b8c\u6574\u6027\u548c\u53ef\u5ba1\u8ba1\u6027\u6709\u66f4\u9ad8\u8981\u6c42\u3001\u9700\u8981\u7b26\u5408\u6cd5\u5f8b\u6cd5\u89c4\u548c\u6570\u636e\u4e3b\u6743\u7684\u9650\u5236\u3002\u56e0\u6b64\uff0c\u7b80\u5355\u5730\u628a\u9759\u6001\u8d44\u6e90\u653e\u5230\u516c\u6709CDN\u5e76\u4e0d\u8db3\u4ee5\u6ee1\u8db3\u9700\u6c42\u3002\u9700\u8981\u7684\u662f\u4e00\u5957\u517c\u987e<strong>\u6027\u80fd\u3001\u53ef\u63a7\u6027\u4e0e\u5b89\u5168\u5408\u89c4<\/strong>\u7684\u52a0\u901f\u65b9\u6848\uff0c\u80fd\u591f\u5728\u9762\u5bf9DDoS\u653b\u51fb\u3001\u5f02\u5e38\u6d41\u91cf\u548c\u8de8\u5883\u8bbf\u95ee\u65f6\u4ecd\u4fdd\u6301\u670d\u52a1\u53ef\u7528\u3002<\/p>\n<h2>\u539f\u7406\u4e0e\u5173\u952e\u6280\u672f\u6784\u6210<\/h2>\n<h3>1. 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vs \u7b2c\u4e09\u65b9CDN vs 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\u57df\u540d\u4e0eDNS\u7b56\u7565<\/h3>\n<ul>\n<li>\u901a\u8fc7\u5408\u89c4\u6e20\u9053\u5b8c\u6210\u57df\u540d\u6ce8\u518c\uff0c\u5e76\u542f\u7528DNSSEC\u63d0\u9ad8\u89e3\u6790\u5b89\u5168\u3002<\/li>\n<li>\u5c06\u7ad9\u70b9CNAME\u5230CDN\u540e\uff0c\u4fdd\u7559\u539f\u57df\u540d\u7684\u4e3b\u63a7DNS\uff0c\u6216\u4f7f\u7528CDN\u63d0\u4f9b\u7684\u89e3\u6790\u4f46\u5f00\u542f\u4e8c\u7ea7DNS\u72ec\u7acb\u7ba1\u7406\uff0c\u4ee5\u4fbf\u7a81\u53d1\u5207\u6362\u3002<\/li>\n<\/ul>\n<h3>2. \u8bc1\u4e66\u4e0e\u52a0\u5bc6\u914d\u7f6e<\/h3>\n<ul>\n<li>\u8fb9\u7f18\u542f\u7528TLS 1.3\u3001OCSP Stapling\u3001HTTP\/2\u548cHTTP\/3\u4ee5\u63d0\u5347\u6027\u80fd\u3002<\/li>\n<li>\u56de\u6e90\u4f7f\u7528Mutual TLS\u6216\u81ea\u7b7e\u540d\u8bc1\u4e66+\u56de\u6e90Header\u6821\u9a8c\uff0c\u9632\u6b62\u65c1\u8def\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<h3>3. \u7f13\u5b58\u7b56\u7565\u4e0ePurge\u6d41\u7a0b<\/h3>\n<ul>\n<li>\u5bf9\u9759\u6001\u8d44\u6e90\uff08JS\/CSS\/\u56fe\u7247\uff09\u91c7\u7528\u957fTTL\u5e76\u901a\u8fc7\u6587\u4ef6\u540d\u6307\u7eb9\uff08hash\uff09\u5b9e\u73b0\u5373\u65f6\u751f\u6548\uff1b\u5bf9\u52a8\u6001\u9875\u9762\u4f7f\u7528\u77edTTL\u53caCache-Control\u6307\u4ee4\u3002<\/li>\n<li>\u5b9e\u73b0\u81ea\u52a8\u5316Purge API\uff0c\u7528\u4e8e\u5185\u5bb9\u66f4\u65b0\u540e\u4e3b\u52a8\u6e05\u7406\u8fb9\u7f18\u7f13\u5b58\uff0c\u5e76\u5bf9\u5927\u89c4\u6a21\u6e05\u7406\u8fdb\u884c\u8282\u6d41\u673a\u5236\u3002<\/li>\n<\/ul>\n<h3>4. \u5b89\u5168\u76d1\u6d4b\u4e0e\u5e94\u6025\u9884\u6848<\/h3>\n<ul>\n<li>\u5efa\u7acb\u79d2\u7ea7\u544a\u8b66\u4e0e\u6d41\u91cf\u9608\u503c\uff0c\u5f53\u5f02\u5e38\u65f6\u81ea\u52a8\u5207\u6362\u4e3a\u66f4\u4e25\u683c\u7684\u9632\u62a4\u89c4\u5219\u6216\u542f\u7528\u6311\u6218\/\u9a8c\u8bc1\u7801\u9875\u9762\u3002<\/li>\n<li>\u4fdd\u7559\u5e94\u6025\u56de\u9000\uff1a\u5f53CDN\u6545\u969c\u65f6\u901a\u8fc7DNS\u5207\u6362\u6216\u76f4\u63a5\u5c06\u57df\u540d\u89e3\u6790\u5230\u5907\u7528\u6e90\u7ad9\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff09\uff0c\u5e76\u786e\u4fdd\u6e90\u7ad9\u6709\u80fd\u529b\u627f\u53d7\u77ed\u671f\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<h3>5. \u65e5\u5fd7\u4e0e\u5ba1\u8ba1\u94fe\u8def<\/h3>\n<ul>\n<li>\u628a\u8fb9\u7f18\u8bbf\u95ee\u65e5\u5fd7\u6d41\u5f0f\u53d1\u9001\u5230\u96c6\u4e2d\u65e5\u5fd7\u5e73\u53f0\uff0c\u8bbe\u7f6e\u4e0d\u53ef\u7be1\u6539\u5b58\u50a8\u548c\u957f\u671f\u5907\u4efd\uff0c\u6ee1\u8db3\u5ba1\u8ba1\u4e0e\u4e8b\u540e\u590d\u76d8\u9700\u6c42\u3002<\/li>\n<li>\u5bf9\u654f\u611fAPI\u5f00\u542f\u5ba1\u8ba1\u65e5\u5fd7\u5e76\u52a0\u5bc6\u5b58\u50a8\uff0c\u540c\u65f6\u9650\u5236\u8bbf\u95ee\u6743\u9650\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u5982\u4f55\u4f9d\u636e\u9700\u6c42\u9009\u62e9\u90e8\u7f72\u4f4d\u7f6e\u4e0e\u670d\u52a1<\/h2>\n<p>\u9009\u62e9\u65f6\u5e94\u4ece\u4ee5\u4e0b\u7ef4\u5ea6\u8003\u8651\uff1a\u5ef6\u8fdf\/\u8986\u76d6\u3001\u5408\u89c4\u6027\u3001\u6210\u672c\u3001\u53ef\u63a7\u6027\u4e0e\u8fd0\u7ef4\u80fd\u529b\u3002<\/p>\n<ul>\n<li>\u82e5\u76ee\u6807\u7528\u6237\u4ee5\u9999\u6e2f\u3001\u4e1c\u5357\u4e9a\u4e3a\u4e3b\uff0c\u4f18\u5148\u8003\u8651\u5728\u9999\u6e2f\u6216\u65b0\u52a0\u5761\u90e8\u7f72\u8fb9\u7f18\u8282\u70b9\uff0c\u53ef\u9009\u9999\u6e2f\u670d\u52a1\u5668\u6216\u65b0\u52a0\u5761\u670d\u52a1\u5668\u4f5c\u4e3a\u56de\u6e90\u6216\u4e2d\u8f6c\u3002<\/li>\n<li>\u9700\u9762\u5411\u5317\u7f8e\u7528\u6237\u5219\u8003\u8651\u7f8e\u56fd\u8282\u70b9\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff1b\u65e5\u672c\u3001\u97e9\u56fd\u7528\u6237\u5219\u9009\u65e5\u672c\u670d\u52a1\u5668\u6216\u97e9\u56fd\u670d\u52a1\u5668\u4ee5\u964d\u4f4e\u5ef6\u8fdf\u3002<\/li>\n<li>\u5bf9\u654f\u611f\u6570\u636e\u6709\u4e25\u683c\u8981\u6c42\u7684\u673a\u6784\uff0c\u5efa\u8bae\u5c06\u6e90\u7ad9\u653e\u5728\u5408\u89c4\u533a\u57df\uff08\u4f8b\u5982\u9999\u6e2fVPS\u6216\u672c\u5730\u6570\u636e\u4e2d\u5fc3\uff09\uff0c\u5e76\u4e0eCDN\u7b7e\u7f72\u660e\u786e\u7684\u6570\u636e\u5904\u7406\u4e0e\u65e5\u5fd7\u4ea4\u4ed8\u6761\u6b3e\u3002<\/li>\n<li>\u5bf9\u6210\u672c\u654f\u611f\u4f46\u9700\u7075\u6d3b\u6027\u7684\u56e2\u961f\u53ef\u91c7\u7528\u9999\u6e2fVPS\u6216\u7f8e\u56fdVPS\u505a\u4e3a\u5907\u7528\u8282\u70b9\uff0c\u7ed3\u5408\u5546\u4e1aCDN\u5b9e\u73b0\u6df7\u5408\u90e8\u7f72\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3\uff1a\u6784\u5efa\u5b89\u5168\u53ef\u63a7\u7684\u9ad8\u53ef\u7528CDN\u65b9\u6848\u7684\u6838\u5fc3\u8981\u70b9<\/h2>\n<p>\u653f\u52a1\u7f51\u7ad9\u7684CDN\u52a0\u901f\u4e0d\u662f\u5355\u7eaf\u7684\u6027\u80fd\u63d0\u5347\u5de5\u7a0b\uff0c\u800c\u662f\u4e00\u4e2a\u5305\u542b\u7f51\u7edc\u3001\u52a0\u5bc6\u3001\u8bbf\u95ee\u63a7\u5236\u3001\u65e5\u5fd7\u5ba1\u8ba1\u4e0e\u5408\u89c4\u7684\u7cfb\u7edf\u5de5\u7a0b\u3002\u5b9e\u6218\u4e2d\u5e94\u9075\u5faa\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u53ef\u63a7\u4f18\u5148\uff1a<\/strong>\u6e90\u7ad9\u4e0e\u654f\u611f\u6570\u636e\u5e94\u653e\u5728\u5408\u89c4\u533a\u57df\u5e76\u91c7\u53d6\u56de\u6e90\u8ba4\u8bc1\uff0c\u907f\u514d\u6570\u636e\u968f\u610f\u51fa\u5883\u3002<\/li>\n<li><strong>\u591a\u5c42\u9632\u62a4\uff1a<\/strong>\u7ed3\u5408\u8fb9\u7f18WAF\u3001\u901f\u7387\u9650\u5236\u3001DDoS\u9632\u62a4\u4e0e\u56de\u6e90\u767d\u540d\u5355\uff0c\u964d\u4f4e\u5165\u4fb5\u4e0e\u6ee5\u7528\u98ce\u9669\u3002<\/li>\n<li><strong>\u5f39\u6027\u4e0e\u53ef\u89c2\u6d4b\uff1a<\/strong>\u4f7f\u7528Anycast\/GSLB\u3001\u591a\u533a\u57df\u8282\u70b9\u4e0e\u5b8c\u5584\u7684\u65e5\u5fd7\u94fe\u8def\uff0c\u5b9e\u73b0\u5feb\u901f\u54cd\u5e94\u4e0e\u6545\u969c\u6062\u590d\u3002<\/li>\n<li><strong>\u81ea\u52a8\u5316\u4e0e\u8fd0\u7ef4\u51c6\u5907\uff1a<\/strong>\u5b9e\u73b0\u8bc1\u4e66\u81ea\u52a8\u5316\u3001Purge 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