{"id":210361,"date":"2025-10-24T11:44:45","date_gmt":"2025-10-24T03:44:45","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210361\/"},"modified":"2025-10-24T11:44:47","modified_gmt":"2025-10-24T03:44:47","slug":"cdn-377","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210361\/","title":{"rendered":"\u667a\u80fd\u5316CDN\u8fb9\u7f18\u5b89\u5168\uff1a\u6784\u5efa\u81ea\u9002\u5e94\u3001\u5b9e\u65f6\u7684\u9632\u62a4\u7b56\u7565"},"content":{"rendered":"<p>\u968f\u7740\u5e94\u7528\u67b6\u6784\u5411\u5fae\u670d\u52a1\u3001\u5bb9\u5668\u5316\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u6f14\u8fdb\uff0c\u4f20\u7edf\u96c6\u4e2d\u5f0fCDN\u7684\u9759\u6001\u7f13\u5b58\u4e0e\u57fa\u7840DDoS\u9632\u62a4\u5df2\u65e0\u6cd5\u6ee1\u8db3\u65e5\u76ca\u590d\u6742\u7684\u653b\u51fb\u4e0e\u5408\u89c4\u9700\u6c42\u3002\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6784\u5efa\u4e00\u5957\u201c\u667a\u80fd\u5316CDN\u8fb9\u7f18\u5b89\u5168\u201d\u4f53\u7cfb\uff0c\u8981\u6c42\u5728\u8fb9\u7f18\u8282\u70b9\u5177\u5907<strong>\u81ea\u9002\u5e94\u3001\u5b9e\u65f6\u7684\u9632\u62a4\u7b56\u7565\u80fd\u529b<\/strong>\uff0c\u517c\u987e\u6027\u80fd\u4e0e\u53ef\u89c2\u6d4b\u6027\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5173\u952e\u6280\u672f\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\u7b49\u65b9\u9762\u6df1\u5165\u89e3\u6790\u3002<\/p>\n<h2>\u8fb9\u7f18\u5b89\u5168\u7684\u6838\u5fc3\u539f\u7406<\/h2>\n<p>\u667a\u80fd\u5316CDN\u8fb9\u7f18\u5b89\u5168\u7684\u76ee\u6807\u662f\u5c06\u5b89\u5168\u51b3\u7b56\u5c3d\u91cf\u4e0b\u6c89\u5230\u9760\u8fd1\u7528\u6237\u7684\u8fb9\u7f18\u8282\u70b9\uff0c\u5b9e\u73b0\u4f4e\u5ef6\u8fdf\u3001\u5373\u65f6\u54cd\u5e94\u7684\u9632\u62a4\u3002\u5176\u6838\u5fc3\u539f\u7406\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6570\u636e\u5e73\u9762\u4e0e\u63a7\u5236\u5e73\u9762\u5206\u79bb<\/strong>\uff1a\u8fb9\u7f18\u8282\u70b9\u8d1f\u8d23\u9ad8\u9891\u7684\u8bf7\u6c42\u62e6\u622a\u3001\u901f\u7387\u9650\u5236\u548c\u7f13\u5b58\u51b3\u7b56\uff1b\u63a7\u5236\u5e73\u9762\u5728\u96c6\u4e2d\u4f4d\u7f6e\u505a\u7b56\u7565\u4e0b\u53d1\u3001\u6a21\u578b\u8bad\u7ec3\u4e0e\u65e5\u5fd7\u805a\u5408\u3002<\/li>\n<li><strong>\u884c\u4e3a\u9a71\u52a8\u7684\u81ea\u9002\u5e94\u7b56\u7565<\/strong>\uff1a\u57fa\u4e8e\u5b9e\u65f6\u6d41\u91cf\u7279\u5f81\uff08\u5982\u8bf7\u6c42\u901f\u7387\u3001URI\u6a21\u5f0f\u3001User-Agent\u3001IP\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\uff09\u52a8\u6001\u8c03\u6574\u89c4\u5219\u4f18\u5148\u7ea7\u548c\u7b56\u7565\u9608\u503c\u3002<\/li>\n<li><strong>\u6a21\u578b\u4e0e\u89c4\u5219\u7684\u534f\u540c\u9632\u62a4<\/strong>\uff1a\u7ed3\u5408\u4f20\u7edf\u57fa\u4e8e\u7b7e\u540d\u7684WAF\u89c4\u5219\u4e0e\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u7684\u5f02\u5e38\u68c0\u6d4b\u6a21\u578b\uff0c\u517c\u987e\u5df2\u77e5\u653b\u51fb\u4e0e\u672a\u77e5\u5a01\u80c1\u3002<\/li>\n<li><strong>\u8fb9\u7f18\u53ef\u7f16\u7a0b\u6027<\/strong>\uff1a\u901a\u8fc7\u8fb9\u7f18\u811a\u672c\uff08\u5982WASM\u3001eBPF\u6216\u8fb9\u7f18\u51fd\u6570\uff09\u5b9e\u73b0\u81ea\u5b9a\u4e49\u5904\u7406\u903b\u8f91\uff0c\u652f\u6301\u7ec6\u7c92\u5ea6\u4e1a\u52a1\u9694\u79bb\u4e0e\u591a\u79df\u6237\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3>\u6d41\u91cf\u91c7\u96c6\u4e0e\u7279\u5f81\u5de5\u7a0b<\/h3>\n<p>\u8fb9\u7f18\u8282\u70b9\u9700\u8981\u5b9e\u65f6\u91c7\u96c6\u591a\u7ef4\u7279\u5f81\uff1aHTTP\u5934\u3001\u8bf7\u6c42\u4f53\u6837\u672c\u3001\u8fde\u63a5\u5c42\u6307\u6807\uff08SYN\/RST\uff09\u3001TLS\u63e1\u624b\u4fe1\u606f\u3001GeoIP\u3001ASN\u7b49\u3002\u5bf9\u8fd9\u4e9b\u539f\u59cb\u6570\u636e\u8fdb\u884c\u5728\u7ebf\u7279\u5f81\u62bd\u53d6\uff08\u5982\u6ed1\u52a8\u7a97\u53e3\u7684\u5e73\u5747\u8bf7\u6c42\u7387\u3001URI 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Key\uff09\uff0c\u5e76\u652f\u6301\u5206\u5e03\u5f0f\u7194\u65ad\u7b56\u7565\u548c\u56de\u9000\u5230\u66f4\u4e25\u683c\u7684\u51c6\u5165\u6a21\u5f0f\u3002<\/li>\n<li><strong>TLS\u4e0e\u8bc1\u4e66\u7ba1\u7406<\/strong>\uff1a\u8fb9\u7f18\u652f\u6301JIT\uff08Just-In-Time\uff09\u8bc1\u4e66\u7b7e\u53d1\u3001OCSP Stapling\u4e0eTLS 1.3\u52a0\u901f\uff0c\u51cf\u5c11\u63e1\u624b\u5ef6\u8fdf\u5e76\u786e\u4fdd\u52a0\u5bc6\u4f20\u8f93\u5b89\u5168\u3002<\/li>\n<li><strong>\u8fb9\u7f18\u8ba1\u7b97\u80fd\u529b<\/strong>\uff1a\u901a\u8fc7Serverless\u6216\u8fb9\u7f18\u51fd\u6570\u5728\u8bf7\u6c42\u8def\u5f84\u4e2d\u6ce8\u5165\u81ea\u5b9a\u4e49\u903b\u8f91\uff08A\/B\u6d4b\u8bd5\u3001\u54cd\u5e94\u5408\u5e76\u3001\u4e2a\u6027\u5316\u9632\u62a4\uff09\uff0c\u5b9e\u73b0\u4e1a\u52a1\u4e0e\u5b89\u5168\u7684\u8054\u5408\u8c03\u4f18\u3002<\/li>\n<li><strong>\u65e5\u5fd7\u4e0e\u53ef\u89c2\u6d4b\u6027<\/strong>\uff1a\u5b9e\u65f6\u6d41\u5f0f\u65e5\u5fd7\uff08Kafka\/Fluentd\/Vector\uff09\u5230SIEM\uff0c\u652f\u6301\u544a\u8b66\u89c4\u5219\u3001\u56de\u6eaf\u5206\u6790\u4e0e\u5a01\u80c1\u72e9\u730e\u3002<\/li>\n<\/ul>\n<h2>\u5178\u578b\u5e94\u7528\u573a\u666f<\/h2>\n<p>\u667a\u80fd\u5316CDN\u8fb9\u7f18\u5b89\u5168\u9002\u7528\u4e8e\u591a\u79cd\u4e1a\u52a1\u573a\u666f\uff1a<\/p>\n<ul>\n<li>\u9762\u5411\u5168\u7403\u7528\u6237\u7684Web\u4e0eAPI\u52a0\u901f\uff1a\u5728\u6d77\u5916\u90e8\u7f72\u8fb9\u7f18\u8282\u70b9\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u65e5\u672c\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\uff09\u53ef\u5c31\u8fd1\u62e6\u622a\u6076\u610f\u6d41\u91cf\uff0c\u964d\u4f4e\u8de8\u5883\u5ef6\u8fdf\u4e0e\u56de\u6e90\u538b\u529b\u3002<\/li>\n<li>\u9ad8\u5e76\u53d1\u7535\u5546\u4e0e\u6d3b\u52a8\u9875\u9762\u9632\u62a4\uff1a\u901a\u8fc7\u5b9e\u65f6\u7194\u65ad\u4e0e\u901f\u7387\u9650\u5236\uff0c\u4fdd\u62a4\u540e\u7aef\u670d\u52a1\u5668\uff08\u5305\u62ec\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\uff09\u5728\u6d41\u91cf\u5cf0\u503c\u671f\u95f4\u53ef\u7528\u3002<\/li>\n<li>\u591a\u5730\u57df\u5408\u89c4\u4e0eDDoS\u9632\u5fa1\uff1a\u5728\u4e0d\u540c\u6cd5\u5f8b\u57df\u7684\u8fb9\u7f18\u8282\u70b9\u505a\u7b56\u7565\u5dee\u5f02\u5316\uff08\u4f8b\u5982\u67d0\u4e9b\u5730\u533a\u66f4\u4e25\u683c\u7684\u5185\u5bb9\u5ba1\u67e5\uff09\uff0c\u5e76\u901a\u8fc7Anycast\u5206\u6563DDoS\u653b\u51fb\u3002<\/li>\n<li>\u8de8\u57dfBot\u7ba1\u7406\u4e0e\u722c\u866b\u63a7\u5236\uff1a\u4e3a\u722c\u866b\u7ba1\u7406\u63d0\u4f9b\u8fb9\u7f18\u7ea7\u522b\u7684\u6311\u6218\u9a8c\u8bc1\u4e0e\u901f\u7387\u5c01\u7981\uff0c\u907f\u514d\u5f71\u54cd\u6b63\u5e38\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u667a\u80fd\u8fb9\u7f18\u4e0e\u4f20\u7edf\u4e2d\u5fc3\u5316\u65b9\u6848<\/h2>\n<p>\u5c06\u5b89\u5168\u80fd\u529b\u4e0b\u6c89\u5230\u8fb9\u7f18\u76f8\u6bd4\u4f20\u7edf\u96c6\u4e2d\u5f0f\u9632\u62a4\u6709\u7740\u663e\u8457\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li><strong>\u5ef6\u8fdf\u4e0e\u7528\u6237\u4f53\u9a8c<\/strong>\uff1a\u8fb9\u7f18\u51b3\u7b56\u53ef\u907f\u514d\u56de\u6e90\u5ef6\u8fdf\uff0c\u5173\u952e\u8bf7\u6c42\u5728\u6700\u8fd1\u8282\u70b9\u5373\u88ab\u62e6\u622a\u6216\u52a0\u901f\u3002<\/li>\n<li><strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1aAnycast\u4e0e\u8fb9\u7f18\u6269\u5c55\u81ea\u7136\u5206\u6563\u6d41\u91cf\uff0c\u63d0\u9ad8\u6297\u6d2a\u80fd\u529b\uff0c\u51cf\u5c11\u540e\u7aef\u8d44\u6e90\u6269\u5145\u9700\u6c42\u3002<\/li>\n<li><strong>\u5a01\u80c1\u611f\u77e5\u66f4\u51c6<\/strong>\uff1a\u8fb9\u7f18\u8282\u70b9\u770b\u5230\u7684\u662f\u5730\u57df\u6027\u771f\u5b9e\u7528\u6237\u884c\u4e3a\uff0c\u80fd\u66f4\u5feb\u8bc6\u522b\u5c40\u90e8\u653b\u51fb\u5e76\u6a2a\u5411\u4f20\u64ad\u9632\u5fa1\u7b56\u7565\u3002<\/li>\n<li><strong>\u5408\u89c4\u4e0e\u6d41\u91cf\u4e3b\u6743<\/strong>\uff1a\u5728\u7279\u5b9a\u5730\u533a\uff08\u5982\u9999\u6e2f\u6216\u65e5\u672c\uff09\u7684\u8fb9\u7f18\u8282\u70b9\u5904\u7406\u654f\u611f\u6570\u636e\uff0c\u53ef\u4ee5\u6ee1\u8db3\u6570\u636e\u4e3b\u6743\u4e0e\u6cd5\u5f8b\u5408\u89c4\u8981\u6c42\u3002<\/li>\n<\/ul>\n<p>\u4f46\u4e5f\u5b58\u5728\u6311\u6218\uff1a<\/p>\n<ul>\n<li>\u8fb9\u7f18\u8bbe\u5907\u7684\u8ba1\u7b97\u4e0e\u5b58\u50a8\u53d7\u9650\uff0c\u590d\u6742\u6a21\u578b\u9700\u8981\u5207\u5206\u4e3a\u79bb\u7ebf\u8bad\u7ec3\u4e0e\u8fb9\u7f18\u63a8\u7406\u4e24\u90e8\u5206\u3002<\/li>\n<li>\u914d\u7f6e\u4e00\u81f4\u6027\u4e0e\u5206\u5e03\u5f0f\u6545\u969c\u6062\u590d\u589e\u52a0\u4e86\u7cfb\u7edf\u8bbe\u8ba1\u590d\u6742\u6027\u3002<\/li>\n<li>\u5728\u591a\u4e91\/\u591a\u4f9b\u5e94\u5546\u573a\u666f\u4e0b\uff0c\u7b56\u7565\u7edf\u4e00\u4e0e\u65e5\u5fd7\u805a\u5408\u9700\u8981\u52a0\u5f3a\u6cbb\u7406\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u5982\u4f55\u4e3a\u4e0d\u540c\u4e1a\u52a1\u9009\u62e9\u5408\u9002\u7684\u8fb9\u7f18\u5b89\u5168\u65b9\u6848<\/h2>\n<p>\u5728\u9009\u62e9\u4f9b\u5e94\u5546\u4e0e\u90e8\u7f72\u7b56\u7565\u65f6\uff0c\u5e94\u7ed3\u5408\u4e1a\u52a1\u7279\u6027\u3001\u5730\u57df\u5206\u5e03\u4e0e\u9884\u7b97\u505a\u6743\u8861\uff1a<\/p>\n<h3>1. \u8bc4\u4f30\u6d41\u91cf\u4e0e\u653b\u51fb\u9762<\/h3>\n<ul>\n<li>\u5206\u6790\u5e38\u89c1\u8bf7\u6c42\u6a21\u5f0f\u4e0e\u5cf0\u503c\u6d41\u91cf\uff0c\u5224\u65ad\u662f\u5426\u9700\u8981\u5168\u7403Anycast\u7f51\u7edc\u6216\u91cd\u70b9\u5728\u67d0\u4e9b\u8282\u70b9\uff08\u5982\u9999\u6e2fVPS\/\u670d\u52a1\u5668\uff09\u52a0\u5f3a\u9632\u62a4\u3002<\/li>\n<li>\u5982\u679c\u4e1a\u52a1\u9762\u5411\u7f8e\u56fd\u5e02\u573a\uff0c\u4f18\u5148\u8003\u8651\u5728\u7f8e\u56fd\u670d\u52a1\u5668\u9644\u8fd1\u90e8\u7f72\u8fb9\u7f18\u8282\u70b9\u4ee5\u51cf\u5c11\u5ef6\u8fdf\uff1b\u9762\u5411\u4e9a\u6d32\u7684\u5219\u4f18\u5148\u4e1c\u4eac\u3001\u9996\u5c14\u3001\u65b0\u52a0\u5761\u6216\u9999\u6e2f\u3002<\/li>\n<\/ul>\n<h3>2. \u9632\u62a4\u80fd\u529b\u77e9\u9635<\/h3>\n<ul>\n<li>\u786e\u8ba4\u4f9b\u5e94\u5546\u662f\u5426\u652f\u6301WAF\u3001Bot\u7ba1\u7406\u3001\u901f\u7387\u9650\u5236\u3001DDoS\u7f13\u89e3\u4e0eTLS\u6258\u7ba1\u7b49\u4e00\u63fd\u5b50\u529f\u80fd\uff0c\u4e14\u80fd\u5728\u8fb9\u7f18\u8282\u70b9\u672c\u5730\u6267\u884c\u3002<\/li>\n<li>\u8be2\u95ee\u6a21\u578b\u66f4\u65b0\u9891\u7387\u3001\u68c0\u6d4b\u8bef\u62a5\u7387\u5386\u53f2\u6570\u636e\u4e0e\u56de\u6eda\u7b56\u7565\uff0c\u786e\u4fdd\u5728\u6f14\u8fdb\u578b\u653b\u51fb\u4e0b\u4f9d\u65e7\u7a33\u5065\u3002<\/li>\n<\/ul>\n<h3>3. \u53ef\u89c2\u6d4b\u4e0e\u65e5\u5fd7\u5408\u89c4<\/h3>\n<ul>\n<li>\u9009\u62e9\u80fd\u63d0\u4f9b\u5b9e\u65f6\u65e5\u5fd7\u5bfc\u51fa\u3001\u539f\u59cb\u6293\u5305\u4e0e\u96c6\u6210SIEM\u80fd\u529b\u7684\u65b9\u6848\uff0c\u4fbf\u4e8e\u4e8b\u540e\u6eaf\u6e90\u4e0e\u53d6\u8bc1\u3002<\/li>\n<li>\u8003\u8651\u662f\u5426\u9700\u8981\u5bf9\u63a5\u73b0\u6709\u7684\u76d1\u63a7\u5e73\u53f0\u6216\u5408\u89c4\u5ba1\u8ba1\u6d41\u7a0b\uff08\u5c24\u5176\u662f\u8de8\u5883\u573a\u666f\u6d89\u53ca\u57df\u540d\u6ce8\u518c\u4fe1\u606f\u4e0e\u7528\u6237\u6570\u636e\u65f6\uff09\u3002<\/li>\n<\/ul>\n<h3>4. 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