{"id":210045,"date":"2025-10-24T04:28:43","date_gmt":"2025-10-23T20:28:43","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210045\/"},"modified":"2025-10-24T04:28:45","modified_gmt":"2025-10-23T20:28:45","slug":"cdn-256","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210045\/","title":{"rendered":"CDN\u5f02\u5e38\u6d41\u91cf\u5168\u6d41\u7a0b\u5904\u7f6e\uff1a\u5feb\u901f\u68c0\u6d4b\u3001\u7cbe\u51c6\u6eaf\u6e90\u4e0e\u81ea\u52a8\u5316\u9632\u62a4"},"content":{"rendered":"<p>\u5728\u5168\u7403\u5316\u4e1a\u52a1\u548c\u5206\u5e03\u5f0f\u67b6\u6784\u666e\u53ca\u7684\u4eca\u5929\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u627f\u62c5\u7740\u964d\u4f4e\u5ef6\u8fdf\u3001\u5206\u62c5\u6e90\u7ad9\u538b\u529b\u7684\u5173\u952e\u89d2\u8272\u3002\u7136\u800c\uff0c\u5f02\u5e38\u6d41\u91cf\uff08\u5982DDoS\u3001\u6d41\u91cf\u52ab\u6301\u3001\u722c\u866b\u6cdb\u6ee5\u7b49\uff09\u4e5f\u5f80\u5f80\u901a\u8fc7CDN\u5feb\u901f\u6269\u6563\uff0c\u7ed9\u7f51\u7ad9\u548c\u5e94\u7528\u5e26\u6765\u4e0d\u53ef\u9884\u671f\u7684\u53ef\u7528\u6027\u98ce\u9669\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u4ece\u201c\u5feb\u901f\u68c0\u6d4b\u3001\u7cbe\u51c6\u6eaf\u6e90\u5230\u81ea\u52a8\u5316\u9632\u62a4\u201d\u7684CDN\u5f02\u5e38\u6d41\u91cf\u5168\u6d41\u7a0b\u5904\u7f6e\u65b9\u6cd5\uff0c\u7ed3\u5408\u90e8\u7f72\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u5728\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u5176\u4ed6\u6d77\u5916\u8282\u70b9\u4e0a\u6784\u5efa\u66f4\u53ef\u9760\u7684\u9632\u62a4\u4f53\u7cfb\u3002<\/p>\n<h2>\u5f15\u8a00\uff1a\u4e3a\u4f55\u9700\u8981\u5168\u6d41\u7a0b\u5904\u7f6e<\/h2>\n<p>\u4f20\u7edf\u9632\u62a4\u591a\u96c6\u4e2d\u5728\u5355\u70b9\u8fc7\u6ee4\u6216\u6d41\u91cf\u9650\u5236\uff0c\u9762\u5bf9\u590d\u6742\u653b\u51fb\u8c31\u7cfb\uff08\u4f8b\u5982\u591a\u5411\u91cfDDoS\u3001\u5e94\u7528\u5c42\u6162\u901f\u653b\u51fb\u3001\u4f2a\u9020\u8bf7\u6c42\u94fe\u8def\uff09\uff0c\u5f80\u5f80\u53cd\u5e94\u6162\u3001\u8bef\u5224\u9ad8\u3002\u5bf9\u4f9d\u8d56\u6d77\u5916\u90e8\u7f72\u7684\u670d\u52a1\uff0c\u6bd4\u5982\u4f7f\u7528\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\u6216\u65e5\u672c\u670d\u52a1\u5668\u7684\u7ad9\u70b9\u6765\u8bf4\uff0c\u66f4\u9700\u8981\u505a\u5230\uff1a\u4e00\u662f\u5b9e\u65f6\u53d1\u73b0\u5f02\u5e38\uff1b\u4e8c\u662f\u5feb\u901f\u5b9a\u4f4d\u653b\u51fb\u6e90\u4e0e\u4f20\u64ad\u8def\u5f84\uff1b\u4e09\u662f\u5b9e\u73b0\u8054\u52a8\u7684\u81ea\u52a8\u5316\u7b56\u7565\u4e0b\u53d1\uff0c\u51cf\u5c0f\u4eba\u5de5\u5e72\u9884\u65f6\u95f4\u3002<\/p>\n<h2>\u5feb\u901f\u68c0\u6d4b\uff1a\u591a\u7ef4\u5ea6\u76d1\u6d4b\u4e0e\u5f02\u5e38\u8bc6\u522b<\/h2>\n<h3>\u68c0\u6d4b\u539f\u7406\u4e0e\u6307\u6807<\/h3>\n<p>\u5feb\u901f\u68c0\u6d4b\u4f9d\u8d56\u4e8e\u591a\u5c42\u6570\u636e\u91c7\u96c6\u4e0e\u5b9e\u65f6\u5206\u6790\uff0c\u5e38\u7528\u6307\u6807\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6d41\u91cf\u57fa\u7ebf\uff08\u6bcf\u79d2\u8bf7\u6c42\u6570RPS\u3001\u5e26\u5bbdBPS\uff09\u4e0e\u7a81\u53d8\u68c0\u6d4b<\/li>\n<li>\u8bf7\u6c42\u7279\u5f81\uff08User-Agent\u3001Referer\u3001\u8bf7\u6c42\u8def\u5f84\u5206\u5e03\u3001Query\u53c2\u6570\u71b5\uff09<\/li>\n<li>\u8fde\u63a5\u5c42\u6307\u6807\uff08TCP\u8fde\u63a5\u901f\u7387\u3001SYN\u6570\u3001\u534a\u5f00\u8fde\u63a5\u6570\uff09<\/li>\n<li>\u5e94\u7528\u5c42\u6210\u529f\u7387\uff08200\/4xx\/5xx\u6bd4\u4f8b\uff09\u3001\u54cd\u5e94\u65f6\u95f4\u5206\u5e03\uff08P50\/P95\/P99\uff09<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u65f6\u95f4\u5e8f\u5217\u6a21\u578b\uff08\u4f8b\u5982\u57fa\u4e8eEWMA\u3001\u5b63\u8282\u5206\u89e3\u6216LSTM\u7b49\u7684\u9884\u6d4b\u6a21\u578b\uff09\u6765\u6784\u5efa\u6d41\u91cf\u57fa\u7ebf\uff0c\u5e76\u4f7f\u7528\u5f02\u5e38\u68c0\u6d4b\u7b97\u6cd5\uff08\u5982\u57fa\u4e8eZ-score\u3001MAD\u6216\u673a\u5668\u5b66\u4e60\u7684\u5b64\u7acb\u68ee\u6797\uff09\u5224\u65ad\u7a81\u53d1\u6d41\u91cf\u662f\u5426\u4e3a\u5f02\u5e38\u3002<\/p>\n<h3>\u5b9e\u65f6\u91c7\u6837\u4e0e\u6253\u70b9\u8bbe\u8ba1<\/h3>\n<p>CDN\u8fb9\u7f18\u8282\u70b9\u5e94\u5177\u5907\u8f7b\u91cf\u7ea7\u7684\u91c7\u6837\u80fd\u529b\uff0c\u5c06\u5173\u952e\u6253\u70b9\uff08edge 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