{"id":209767,"date":"2025-10-23T22:25:03","date_gmt":"2025-10-23T14:25:03","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209767\/"},"modified":"2025-10-23T22:25:04","modified_gmt":"2025-10-23T14:25:04","slug":"cdn-123","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209767\/","title":{"rendered":"CDN\u65e5\u5fd7\u6df1\u5ea6\u89e3\u6790\uff1a\u5b9e\u65f6\u68c0\u6d4b\u4e0e\u9632\u62a4\u5f02\u5e38\u6d41\u91cf"},"content":{"rendered":"<p>\u5728CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u67b6\u6784\u4e2d\uff0c\u65e5\u5fd7\u662f\u7406\u89e3\u6d41\u91cf\u3001\u6392\u67e5\u6545\u969c\u4e0e\u9632\u62a4\u5f02\u5e38\u884c\u4e3a\u7684\u5173\u952e\u8bc1\u636e\u3002\u968f\u7740\u5168\u7403\u4e1a\u52a1\u5bf9\u5b9e\u65f6\u6027\u548c\u5b89\u5168\u6027\u7684\u8981\u6c42\u63d0\u9ad8\uff0c\u7ad9\u957f\u548c\u4f01\u4e1a\u7528\u6237\u9700\u8981\u638c\u63e1\u5982\u4f55\u4eceCDN\u65e5\u5fd7\u4e2d\u6df1\u5ea6\u89e3\u6790\u6d41\u91cf\u7279\u5f81\uff0c\u5e76\u5c06\u5176\u7528\u4e8e\u5b9e\u65f6\u68c0\u6d4b\u4e0e\u9632\u62a4\u5f02\u5e38\u6d41\u91cf\u3002\u672c\u6587\u9762\u5411\u5f00\u53d1\u8005\u3001\u8fd0\u7ef4\u4e0e\u5b89\u5168\u56e2\u961f\uff0c\u7cfb\u7edf\u9610\u8ff0CDN\u65e5\u5fd7\u7684\u7c7b\u578b\u4e0e\u5b57\u6bb5\u3001\u5b9e\u65f6\u89e3\u6790\u4e0e\u68c0\u6d4b\u65b9\u6cd5\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u3001\u4e0e\u4f20\u7edf\u670d\u52a1\u5668\/\u4e91\u7aef\u65e5\u5fd7\u7684\u5bf9\u6bd4\u4f18\u52bf\uff0c\u4ee5\u53ca\u5728\u9009\u62e9\u6d77\u5916\u8282\u70b9\uff08\u5982\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\uff09\u4e0eVPS\u65f6\u7684\u5efa\u8bae\u3002<\/p>\n<h2>CDN\u65e5\u5fd7\u7684\u57fa\u672c\u539f\u7406\u4e0e\u5e38\u89c1\u5b57\u6bb5<\/h2>\n<p>CDN\u8282\u70b9\u5728\u63a5\u6536\u5ba2\u6237\u7aef\u8bf7\u6c42\u3001\u56de\u6e90\u83b7\u53d6\u5185\u5bb9\u53ca\u8fd4\u56de\u54cd\u5e94\u7684\u5168\u8fc7\u7a0b\u90fd\u4f1a\u4ea7\u751f\u65e5\u5fd7\u3002\u5e38\u89c1\u65e5\u5fd7\u7c7b\u578b\u5305\u62ec\u8bbf\u95ee\u65e5\u5fd7\uff08Access Log\uff09\u3001\u9519\u8bef\u65e5\u5fd7\uff08Error Log\uff09\u3001WAF\/\u9632\u62a4\u65e5\u5fd7\u4e0e\u6d41\u91cf\/\u5e26\u5bbd\u6c47\u603b\u7edf\u8ba1\u3002\u5178\u578b\u5b57\u6bb5\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u65f6\u95f4\u6233\uff08timestamp\uff09\uff1a\u7cbe\u786e\u5230\u6beb\u79d2\u7684\u4e8b\u4ef6\u65f6\u95f4\uff0c\u7528\u4e8e\u6392\u5e8f\u4e0e\u7a97\u53e3\u7edf\u8ba1\u3002<\/li>\n<li>\u5ba2\u6237\u7aefIP\uff08client_ip\uff09\uff1a\u7528\u4e8e\u5730\u7406\u4f4d\u7f6e\u5206\u6790\u4e0eIP\u4fe1\u8a89\u5224\u65ad\u3002<\/li>\n<li>\u8bf7\u6c42\u65b9\u6cd5\u4e0eURL\uff08method, uri\uff09\uff1a\u8bc6\u522b\u653b\u51fb\u9762\u4e0e\u70ed\u70b9\u8d44\u6e90\u3002<\/li>\n<li>\u72b6\u6001\u7801\uff08status\uff09\uff1a\u5224\u65ad\u56de\u6e90\u6216\u8fb9\u7f18\u54cd\u5e94\u6210\u529f\u4e0e\u5426\u3002<\/li>\n<li>\u54cd\u5e94\u5927\u5c0f\u4e0e\u8017\u65f6\uff08bytes_sent, latency\uff09\uff1a\u5ea6\u91cf\u6027\u80fd\u4e0e\u5f02\u5e38\u6d41\u91cf\u7279\u5f81\u3002<\/li>\n<li>\u8bf7\u6c42\u5934\u4fe1\u606f\uff08User-Agent, Referer, Host\uff09\uff1a\u7528\u4e8e\u6307\u7eb9\u8bc6\u522b\u4e0e\u722c\u866b\u8bc6\u522b\u3002<\/li>\n<li>TLS\u4fe1\u606f\uff08sni, cipher, tls_version\uff09\uff1a\u7528\u4e8e\u68c0\u6d4b\u6076\u610fTLS\u6307\u7eb9\u6216\u57df\u540d\u6b3a\u9a97\u3002<\/li>\n<li>\u56de\u6e90\u4fe1\u606f\uff08origin_ip, origin_status\uff09\uff1a\u7528\u4e8e\u5173\u8054\u6e90\u7ad9\u538b\u529b\u4e0eCDN\u7f13\u5b58\u547d\u4e2d\u7387\u3002<\/li>\n<li>\u89e6\u53d1\u7b56\u7565\uff08cache_status, waf_action\uff09\uff1a\u8bb0\u5f55\u662f\u5426\u547d\u4e2d\u7f13\u5b58\u3001\u662f\u5426\u88ab\u62e6\u622a\u7b49\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u5b57\u6bb5\u662f\u6784\u5efa\u5b9e\u65f6\u68c0\u6d4b\u89c4\u5219\u4e0e\u8bad\u7ec3\u6a21\u578b\u7684\u539f\u59cb\u6570\u636e\u3002\u8981\u505a\u5230\u5b9e\u65f6\u6027\uff0c\u65e5\u5fd7\u91c7\u96c6\u94fe\u8def\u901a\u5e38\u4ece\u8fb9\u7f18\u91c7\u96c6\u540e\uff0c\u901a\u8fc7\u6d88\u606f\u961f\u5217\uff08\u5982Kafka\uff09\u8fdb\u5165\u6d41\u5f0f\u5904\u7406\u5c42\uff08\u5982Flink\u3001Spark Streaming \u6216\u81ea\u7814\u6d41\u5904\u7406\uff09\uff0c\u5e76\u5199\u5165\u9ad8\u6027\u80fd\u5206\u6790\u5b58\u50a8\uff08\u5982ClickHouse\u3001Elasticsearch\uff09\u3002<\/p>\n<h3>\u91c7\u96c6\u4e0e\u8fd0\u8f93\uff1a\u4fdd\u8bc1\u4f4e\u5ef6\u8fdf\u4e0e\u5b8c\u6574\u6027<\/h3>\n<p>\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u65e5\u5fd7\u91c7\u96c6\u9700\u8981\u8003\u8651\u6279\u91cf\u53d1\u9001\u3001\u538b\u7f29\u3001\u5f02\u6b65\u56de\u8c03\u4e0e\u4e22\u5305\u91cd\u8bd5\u7b56\u7565\u3002\u5efa\u8bae\u4f7f\u7528\u4e8c\u8fdb\u5236\u5e8f\u5217\u5316\uff08\u5982Protobuf\/Avro\uff09\u4e0e\u5206\u533aTopic\u8bbe\u8ba1\uff0c\u4ee5\u4fbf\u6309\u8fb9\u7f18\u8282\u70b9\u6216\u5730\u57df\u5e76\u884c\u6d88\u8d39\u3002\u7f51\u7edc\u8282\u70b9\u5206\u5e03\u5728\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u65e5\u672c\u670d\u52a1\u5668\u7b49\u5730\u65f6\uff0c\u8de8\u533a\u57df\u4f20\u8f93\u7684\u53ef\u9760\u6027\u548c\u5e26\u5bbd\u6210\u672c\u4e5f\u662f\u67b6\u6784\u51b3\u7b56\u8981\u70b9\u3002<\/p>\n<h2>\u5b9e\u65f6\u68c0\u6d4b\u6280\u672f\u6808\u4e0e\u65b9\u6cd5\u8bba<\/h2>\n<p>\u5b9e\u65f6\u68c0\u6d4b\u7684\u76ee\u6807\u662f\u4ee5\u6700\u4f4e\u7684\u5ef6\u8fdf\u53d1\u73b0\u5e76\u5904\u7f6e\u5f02\u5e38\u6d41\u91cf\uff0c\u5e38\u89c1\u65b9\u6cd5\u53ef\u5206\u4e3a\u89c4\u5219\u5f15\u64ce\u3001\u7edf\u8ba1\u5206\u6790\u4e0e\u673a\u5668\u5b66\u4e60\u4e09\u7c7b\uff0c\u901a\u5e38\u7ed3\u5408\u4f7f\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u89c4\u5219\u5f15\u64ce<\/strong>\uff1a\u57fa\u4e8e\u9ed1\u540d\u5355\u3001\u767d\u540d\u5355\u3001\u8bf7\u6c42\u9891\u7387\u9608\u503c\u3001URI\u9ed1\u540d\u5355\u7b49\u9759\u6001\u89c4\u5219\u76f4\u63a5\u89e6\u53d1\u9632\u62a4\uff08\u5982\u901f\u7387\u9650\u5236\u3001ACL\u62e6\u622a\uff09\u3002\u4f18\u70b9\u662f\u54cd\u5e94\u5feb\u3001\u53ef\u89e3\u91ca\u6027\u5f3a\uff1b\u7f3a\u70b9\u662f\u5bf9\u53d8\u5f02\u653b\u51fb\u8986\u76d6\u4e0d\u8db3\u3002<\/li>\n<li><strong>\u7edf\u8ba1\u5206\u6790<\/strong>\uff1a\u5229\u7528\u6ed1\u52a8\u7a97\u53e3\u3001\u6307\u6570\u52a0\u6743\u79fb\u52a8\u5e73\u5747\uff08EWMA\uff09\u3001P90\/P99\u5ef6\u8fdf\u3001\u71b5\u503c\uff08\u8bf7\u6c42URI\u3001User-Agent\u3001Referrer\uff09\u7b49\u5ea6\u91cf\u8fdb\u884c\u5f02\u5e38\u68c0\u6d4b\u3002\u5e38\u7528\u6280\u672f\u5305\u62ec\u5e03\u9686\u8fc7\u6ee4\u5668\u3001HyperLogLog\u4f30\u7b97\u53bb\u91cd\u3001CUSUM\u6216E-Divisive\u53d8\u70b9\u68c0\u6d4b\u3002<\/li>\n<li><strong>\u673a\u5668\u5b66\u4e60<\/strong>\uff1a\u57fa\u4e8e\u6709\u76d1\u7763\uff08\u5f02\u5e38\u6837\u672c\uff09\u6216\u65e0\u76d1\u7763\uff08\u805a\u7c7b\u3001\u5b64\u7acb\u68ee\u6797\u3001Autoencoder\uff09\u7684\u65b9\u6cd5\u8bc6\u522b\u5f02\u5e38\u6d41\u91cf\u6a21\u5f0f\u3002\u53ef\u7528\u4e8e\u8bc6\u522b\u9ad8\u7ea7\u6301\u7eed\u722c\u866b\u3001\u8eab\u4efd\u5192\u7528\u6216\u4f4e\u901f\u6e17\u900f\u3002<\/li>\n<\/ul>\n<p>\u5728\u5b9e\u8df5\u4e2d\uff0c\u63a8\u8350\u91c7\u7528\u591a\u5c42\u9632\u62a4\uff1a\u5148\u7531\u89c4\u5219\u5f15\u64ce\u5bf9\u5df2\u77e5\u5a01\u80c1\u8fdb\u884c\u5feb\u901f\u5904\u7406\uff0c\u518d\u7531\u7edf\u8ba1\u6a21\u5757\u6301\u7eed\u76d1\u63a7\u6d41\u91cf\u57fa\u7ebf\uff0c\u6700\u540e\u7531ML\u6a21\u5757\u53d1\u73b0\u96be\u4ee5\u89c4\u5219\u5316\u7684\u5f02\u5e38\u3002\u5b9e\u65f6\u51b3\u7b56\u53ef\u901a\u8fc7\u7b80\u5316\u6a21\u578b\uff08\u5982LightGBM\u7684\u7ebf\u4e0a\u7248\u672c\u6216\u9608\u503c\u5316\u7684\u6a21\u578b\u8f93\u51fa\uff09\u90e8\u7f72\u5230\u8fb9\u7f18\u6216\u8fd1\u8fb9\u7f18\u7cfb\u7edf\uff0c\u4ee5\u5c06\u5904\u7f6e\u65f6\u5ef6\u63a7\u5236\u5728\u79d2\u7ea7\u3002<\/p>\n<h3>\u5173\u952e\u68c0\u6d4b\u6307\u6807\u4e0e\u7279\u5f81\u5de5\u7a0b<\/h3>\n<p>\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u68c0\u6d4b\u79bb\u4e0d\u5f00\u5408\u7406\u7684\u7279\u5f81\u8bbe\u8ba1\uff0c\u5e38\u7528\u7279\u5f81\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8bf7\u6c42\u901f\u7387\uff1a\u5355IP\u3001\u5355URI\u6216IP\/URI\u7ec4\u5408\u7684\u5355\u4f4d\u65f6\u95f4\u8bf7\u6c42\u6570\u3002<\/li>\n<li>\u8bf7\u6c42\u4f1a\u8bdd\u7279\u5f81\uff1a\u540c\u4e00IP\u7684\u4f1a\u8bdd\u957f\u5ea6\u3001\u8bbf\u95ee\u9875\u9762\u5e8f\u5217\u3001Referer\u8df3\u8f6c\u94fe\u3002<\/li>\n<li>\u8bf7\u6c42\u591a\u6837\u6027\uff1aUser-Agent\u3001Accept-Encoding\u3001Cookie\u7b49\u5b57\u6bb5\u7684\u71b5\u3002<\/li>\n<li>\u5f02\u5e38\u5206\u5e03\uff1a\u5730\u7406\u5206\u5e03\u7a81\u53d8\u3001ASN\u6216\u8fd0\u8425\u5546\u5206\u5e03\u7a81\u53d8\u3002<\/li>\n<li>TLS\u6307\u7eb9\u4e0eSNI\u5f02\u5e38\uff1a\u5e38\u89c1\u4e8e\u81ea\u52a8\u5316\u626b\u63cf\u5668\u4e0e\u50f5\u5c38\u7f51\u7edc\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u7279\u5f81\u65e2\u53ef\u7528\u4f5c\u5b9e\u65f6\u89c4\u5219\u7684\u8f93\u5165\uff0c\u4e5f\u53ef\u4f5c\u4e3a\u6a21\u578b\u8bad\u7ec3\u7684\u6570\u636e\u3002\u4e3a\u4e86\u51cf\u5c11\u8bef\u62a5\uff0c\u5efa\u8bae\u5728\u89e6\u53d1\u81ea\u52a8\u5c01\u7981\u524d\u91c7\u53d6\u5206\u7ea7\u5904\u7f6e\uff081. \u9650\u901f 2. Challenge\u6821\u9a8c 3. \u963b\u65ad\uff09\u3002<\/p>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u6218\u6848\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5178\u578b\u573a\u666f\u53ca\u5bf9\u5e94\u7b56\u7565\uff1a<\/p>\n<h3>\u9ad8\u5e76\u53d1\u7a81\u53d1\u6d41\u91cf\uff08\u70ed\u70b9\u5237\u53d6 \/ 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