{"id":7081,"date":"2026-06-10T07:59:19","date_gmt":"2026-06-10T07:59:19","guid":{"rendered":"https:\/\/www.sirayatech.com\/?p=7081"},"modified":"2026-06-11T04:02:01","modified_gmt":"2026-06-11T04:02:01","slug":"layer-7-ddos-protection","status":"publish","type":"post","link":"https:\/\/www.sirayatech.com\/zh\/security\/layer-7-ddos-protection\/","title":{"rendered":"\u5982\u4f55\u70ba\u61c9\u7528\u7a0b\u5f0f\u5be6\u65bd\u7b2c 7 \u5c64 DDoS \u9632\u8b77"},"content":{"rendered":"

\u5927\u591a\u6578\u906d\u53d7\u61c9\u7528\u7a0b\u5f0f\u5c64\u653b\u64ca\u7684\u5718\u968a\u90fd\u5df2\u90e8\u7f72\u4e86\u5206\u6563\u5f0f\u963b\u65b7\u670d\u52d9\u9632\u8b77\u3002\u7136\u800c\uff0c\u9632\u8b77\u4e26\u672a\u6db5\u84cb\u6b63\u78ba\u7684\u5c64\u7d1a\u3002\u7b2c 7 \u5c64\u5206\u6563\u5f0f\u963b\u65b7\u670d\u52d9\u9632\u8b77\u89e3\u6c7a\u7684\u554f\u984c\u8207\u7db2\u8def\u5c64\u9632\u79a6\u7684\u554f\u984c\u6839\u672c\u4e0d\u540c\uff0c\u5c07\u5169\u8005\u8996\u70ba\u53ef\u4e92\u63db\u7684\uff0c\u662f\u751f\u7522\u74b0\u5883\u4e2d\u6700\u5e38\u898b\u4e14\u4ee3\u50f9\u9ad8\u6602\u7684\u57fa\u790e\u8a2d\u65bd\u932f\u8aa4\u4e4b\u4e00\u3002.<\/p>\n

\u5c64\u7d1a\u5206\u96e2\u662f\u4e00\u9805\u67b6\u69cb\u6c7a\u7b56\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u5206\u985e<\/h2>\n

L3\/L4 \u9632\u8b77\u2014\u2014BGP\u9ed1\u6d1e\u3001\u4efb\u64ad\u6e05\u6d17\u3001SYN\u6d2a\u6c34\u4fdd\u8b77\u2014\u2014\u57fa\u65bc\u5c01\u5305\u91cf\u548c\u901a\u8a0a\u5354\u5b9a\u884c\u70ba\u9032\u884c\u904b\u4f5c\u3002\u5b83\u5011\u975e\u5e38\u64c5\u9577\u5438\u6536 100 Gbps \u7684 UDP \u653e\u5927\u653b\u64ca\u6216 SYN \u6d2a\u6c34\uff0c\u56e0\u70ba\u9019\u4e9b\u653b\u64ca\u50c5\u6191\u6578\u91cf\u5c31\u53ef\u8207\u5408\u6cd5\u6d41\u91cf\u5340\u5206\u958b\u4f86\u3002\u786c\u9ad4\u53ef\u4ee5\u5728\u7dda\u901f\u7387\u8655\u7406\u5b83\u5011\uff0c\u800c\u7121\u9700\u7406\u89e3\u5c01\u5305\u7684\u5167\u5bb9\u3002.<\/p>\n

L7 \u653b\u64ca\u6709\u6240\u4e0d\u540c\u3002HTTP \u6d2a\u6c34\u3001\u6162\u901f POST\u3001\u5feb\u53d6\u7e5e\u904e\u6383\u63cf\u6216\u8a8d\u8b49\u586b\u5145\u653b\u64ca\uff0c\u770b\u8d77\u4f86\u90fd\u50cf\u662f\u6709\u6548\u7684 TCP \u9023\u7dda\uff0c\u4e26\u914d\u6709\u683c\u5f0f\u6b63\u78ba\u7684 HTTP \u6a19\u982d\u3002\u5c01\u5305\u4e00\u500b\u63a5\u4e00\u500b\u62b5\u9054\uff0c\u5f9e\u7db2\u8def\u89d2\u5ea6\u4f86\u770b\uff0c\u6bcf\u4e00\u500b\u5c01\u5305\u90fd\u662f\u5408\u6cd5\u7684\u3002\u76f4\u5230\u76ee\u6a19\u4f3a\u670d\u5668\u5d29\u6f70\uff0c\u57fa\u65bc\u6d41\u91cf\u7684\u7cfb\u7d71\u624d\u767c\u73fe\u7570\u5e38\u3002.<\/p>\n

\u5efa\u7bc9\u4e0a\u7684\u5f8c\u679c\u662f\u4e0d\u53ef\u5354\u5546\u7684\uff1aL7 \u6aa2\u67e5\u9700\u8981\u4e00\u500b\u5b8c\u6574\u7684\u5167\u5d4c HTTP \u4ee3\u7406\u3002.<\/strong> \u4f60\u7121\u6cd5\u901a\u904e BGP \u6d41\u91cf\u8f49\u767c\u4f86\u5e36\u5916\u6e05\u9664\u61c9\u7528\u7a0b\u5f0f\u5c64\u653b\u64ca\u2014\u2014\u56e0\u70ba\u50c5\u80fd\u770b\u5230\u5c01\u5305\u6d41\u91cf\u7684\u7db2\u8def\u6e05\u9664\u4e2d\u5fc3\u7121\u6cd5\u6aa2\u67e5\u8acb\u6c42\u4e3b\u9ad4\u3001\u6a19\u982d\u548c\u6703\u8a71\u6a21\u5f0f\u3002\u5982\u679c\u4f60\u7684 DDoS \u4f9b\u61c9\u5546\u6c92\u6709\u7d42\u6b62\u6bcf\u4e00\u500b HTTP \u9023\u7dda\u4e26\u5c07\u4e7e\u6de8\u7684\u8acb\u6c42\u4ee3\u7406\u5230\u4f60\u7684\u4f86\u6e90\u4f3a\u670d\u5668\uff0c\u90a3\u9ebc\u7121\u8ad6\u4f9b\u61c9\u5546\u5100\u8868\u677f\u4e0a\u986f\u793a\u4ec0\u9ebc\uff0c\u4f60\u90fd\u6c92\u6709\u4efb\u4f55 L7 \u4fdd\u8b77\u3002.<\/p>\n

\u90a3\u4e0d\u50cf\u653b\u64ca\u7684\u653b\u64ca<\/h2>\n

\u6700\u5371\u96aa\u7684 L7 \u6a21\u5f0f\u4e5f\u6700\u5c11\u88ab\u8a0e\u8ad6\uff1a \u5feb\u53d6\u65c1\u8def\u653b\u64ca<\/strong>.<\/p>\n

\u653b\u64ca\u8005\u82e5\u80fd\u4e86\u89e3\u4f60\u7684\u61c9\u7528\u7a0b\u5f0f\u7684\u5feb\u53d6\u91d1\u9470\u7d50\u69cb\u2014\u2014\u800c\u5927\u591a\u6578 CDN \u7684\u5feb\u53d6\u884c\u70ba\u90fd\u662f\u516c\u958b\u53ef\u898b\u7684\u2014\u2014\u5c31\u53ef\u4ee5\u7cbe\u5fc3\u8a2d\u8a08\u8acb\u6c42\uff0c\u7cfb\u7d71\u6027\u5730\u907f\u958b\u5feb\u53d6\u7684\u5167\u5bb9\u3002\u6700\u7c21\u55ae\u7684\u7248\u672c\u662f\u9644\u52a0\u4e00\u500b\u96a8\u6a5f\u7684\u67e5\u8a62\u53c3\u6578\uff08?v=7f3a2b<\/code>, ?t=1718290000<\/code>) \u5411\u6bcf\u500b\u8981\u6c42\u3002\u66f4\u5177\u91dd\u5c0d\u6027\u7684\u7248\u672c\u6703\u8f2a\u64ad Accept-Language<\/code> \u6a19\u982d, Accept-Encoding<\/code> \u50f9\u503c\u89c0\uff0c\u6216 X-Forwarded-For<\/code> \u64ca\u6557\u5feb\u53d6\u6b63\u898f\u5316\u898f\u5247\u7684\u5730\u5740.<\/p>\n

\u7d50\u679c\uff1a\u6bcf\u6b21\u8acb\u6c42\u90fd\u6703\u50b3\u905e\u5230\u6e90\u7ad9\u3002\u6c92\u6709 CDN \u5feb\u53d6\u547d\u4e2d\u3002\u6c92\u6709\u908a\u7de3\u5438\u6536\u3002\u5728\u6bcf\u79d2 5,000 \u6b21\u8acb\u6c42\u7684\u901f\u7387\u4e0b \u2014 \u9019\u7522\u751f\u7684\u983b\u5bec\u4e0d\u5230 50 Mbps \u2014 \u4e2d\u7b49\u7d1a\u5225\u7684\u61c9\u7528\u7a0b\u5f0f\u4f3a\u670d\u5668\u53ef\u5728\u5169\u5230\u4e09\u5206\u9418\u5167\u8017\u76e1\u5176\u8cc7\u6599\u5eab\u9023\u7dda\u96c6\u5340\u3002\u6e90\u7ad9\u56de\u61c9\u6642\u9593\u9000\u5316\uff0c\u9023\u7dda\u4f47\u5217\u5806\u7a4d\uff0c\u5065\u5eb7\u6aa2\u67e5\u958b\u59cb\u5931\u6557\uff0c\u8ca0\u8f09\u5e73\u8861\u5668\u5c07\u7bc0\u9ede\u6a19\u8a18\u70ba\u4e0d\u5065\u5eb7\u3002.<\/p>\n

\u5f9e L3\/4 \u76e3\u63a7\u5100\u8868\u677f\u4f86\u770b\uff0c\u9019\u4f3c\u4e4e\u662f\u4e00\u500b\u5c0f\u5e45\u7684\u6d41\u91cf\u4e0a\u6f32\u3002\u6c92\u6709\u89f8\u767c\u983b\u5bec\u8b66\u793a\u3002\u6c92\u6709\u8d8a\u904e\u5c01\u5305\u50b3\u8f38\u7387\u7684\u95be\u503c\u3002\u7b49\u5230\u64cd\u4f5c\u4eba\u54e1\u6ce8\u610f\u5230\u4f86\u6e90\u932f\u8aa4\u7387\u4e0a\u5347\u6642\uff0c\u61c9\u7528\u7a0b\u5f0f\u5df2\u7d93\u7121\u6cd5\u4f7f\u7528\u3002.<\/p>\n

\u6839\u64da SIRAYA \u5728\u4e9e\u592a\u5730\u5340\u90e8\u7f72\u74b0\u5883\u4e2d\u7684\u89c0\u5bdf\uff0c\u7531\u65bc\u5718\u968a\u5c07\u76e3\u63a7\u91cd\u9ede\u653e\u5728\u983b\u5bec\u5716\u8868\u4e0a\uff0c\u800c\u975e\u6e90\u4f3a\u670d\u5668\u9023\u7dda\u6df1\u5ea6\u8207\u5feb\u53d6\u547d\u4e2d\u7387\uff0c\u56e0\u6b64\u9019\u7a2e\u6a21\u5f0f\u5f80\u5f80\u88ab\u4f4e\u4f30\u3002 \u5728\u4e94\u5206\u9418\u5167\uff0c\u5feb\u53d6\u547d\u4e2d\u7387\u5f9e 92.1% \u9a5f\u964d\u81f3 15.1%\uff0c\u9019\u624d\u662f\u771f\u6b63\u7684\u5148\u884c\u6307\u6a19\u2014\u2014\u800c\u5927\u591a\u6578\u5718\u968a\u4e26\u672a\u8a2d\u5b9a\u6b64\u985e\u8b66\u793a\u3002.<\/p>\n

API \u7684\u7d42\u7aef\u76f2\u9ede<\/h2>\n

\u9084\u6709\u53e6\u4e00\u7a2e\u5931\u6557\u6a21\u5f0f\u540c\u6a23\u503c\u5f97\u95dc\u6ce8\u3002WAF \u7522\u54c1\u900f\u904e JavaScript \u9a57\u8b49\u6a5f\u5236\u4f86\u4fdd\u8b77\u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\uff1aCDN \u6703\u50b3\u9001\u4e00\u6bb5\u8f15\u91cf\u7d1a\u7684 JavaScript \u7a0b\u5f0f\u78bc\u7247\u6bb5\uff0c\u9a57\u8b49\u700f\u89bd\u5668\u80fd\u5426\u57f7\u884c\u8a72\u7a0b\u5f0f\u78bc\uff0c\u7136\u5f8c\u767c\u653e\u4e00\u500b\u901a\u884c cookie\u3002\u700f\u89bd\u5668\u6703\u81ea\u52d5\u901a\u904e\u9019\u9805\u9a57\u8b49\uff0c\u4f46\u7121\u6cd5\u57f7\u884c JavaScript \u7684\u6a5f\u5668\u4eba\u5247\u7121\u6cd5\u901a\u904e\u3002.<\/p>\n

\u9019\u5c0d HTML \u61c9\u7528\u7a0b\u5f0f\u6548\u679c\u826f\u597d\u3002\u4f46\u5c0d\u65bc API \u7aef\u9ede\uff0c\u5247\u5b8c\u5168\u7121\u6cd5\u904b\u4f5c\u3002.<\/p>\n

\u4f60\u7684 \/api\/v1\/authenticate<\/code> \u7aef\u9ede\u3001\u60a8\u7684 GraphQL \u7aef\u9ede\u3001\u60a8\u7684 webhook \u63a5\u6536\u5668\u2014\u2014\u9019\u4e9b\u90fd\u4e0d\u662f\u7531\u700f\u89bd\u5668\u5728\u6e32\u67d3\u7db2\u9801\u6642\u6240\u547c\u53eb\u7684\u3002\u5b83\u5011\u662f\u7531\u884c\u52d5\u61c9\u7528\u7a0b\u5f0f\u3001\u5f8c\u7aef\u670d\u52d9\u3001\u81ea\u52d5\u5316\u5ba2\u6236\u7aef\u6240\u547c\u53eb\u7684\uff0c\u540c\u6a23\u5730\uff0c\u4e5f\u7531\u6191\u8b49\u586b\u5145\u5de5\u5177\u548c API \u6d2a\u6c34\u653b\u64ca\u8173\u672c\u6240\u547c\u53eb\u3002 \u5728 API \u7aef\u9ede\u4e0a\u5be6\u65bd JS \u9a57\u8b49\u6a5f\u5236\uff0c\u4e0d\u50c5\u6703\u7834\u58de\u60a8\u7684\u5408\u6cd5\u6574\u5408\uff0c\u66f4\u7121\u6cd5\u5c0d\u90a3\u4e9b\u672c\u5c31\u4e0d\u9075\u5b88\u6b64\u898f\u5247\u7684\u6a5f\u5668\u4eba\u63d0\u4f9b\u4efb\u4f55\u9632\u8b77\u3002.<\/p>\n

\u4e00\u7a2e\u6703\u9020\u6210\u6b64\u5b89\u5168\u98a8\u96aa\u7684\u5e38\u898b\u90e8\u7f72\u6a21\u5f0f\uff1a\u5728\u4e3b\u8981\u7db2\u57df\u4e0a\u914d\u7f6e\u4e86 WAF \u53ca\u6a5f\u5668\u4eba\u7ba1\u7406\u898f\u5247\uff0c\u5176\u4e2d \/api\/*<\/code> \u9019\u4e9b\u8def\u5f91\u8981\u9ebc\u88ab\u6392\u9664\u5728\u6311\u6230\u898f\u5247\u4e4b\u5916\uff0c\u8981\u9ebc\u7531\u4e00\u500b\u5b8c\u5168\u7f3a\u4e4f WAF \u8986\u84cb\u7bc4\u570d\u7684\u7368\u7acb\u4f86\u6e90\u8655\u7406\u3002\u800c API \u7aef\u9ede\u2014\u2014\u9019\u4e9b\u7aef\u9ede\u901a\u5e38\u662f\u8cc7\u6599\u5916\u6d29\u3001\u5e33\u6236\u63a5\u7ba1\u53ca\u670d\u52d9\u4e2d\u65b7\u6700\u5177\u50f9\u503c\u7684\u653b\u64ca\u9762\u2014\u2014\u5247\u8655\u65bc\u66b4\u9732\u72c0\u614b\u3002.<\/p>\n

\u5c0d\u65bc API \u8def\u5f91\uff0c\u7b2c 7 \u5c64 DDoS \u9632\u8b77\u9700\u8981\u4e00\u5957\u4e0d\u540c\u7684\u5de5\u5177\u7d44\uff1a\u4ee5\u9a57\u8b49\u904e\u7684\u5b89\u5168\u6191\u8b49\u6216 API \u91d1\u9470\uff08\u800c\u975e IP \u4f4d\u5740\uff09\u70ba\u7bc4\u570d\u7684\u901f\u7387\u9650\u5236\u3001 TLS \u6307\u7d0b\u5206\u6790\uff08\u4f7f\u7528 JA3\/JA4 \u7c3d\u540d\u8b58\u5225\u975e\u700f\u89bd\u5668\u5ba2\u6236\u7aef\uff09\u3001\u8acb\u6c42\u6b63\u6587\u7570\u5e38\u6aa2\u6e2c\uff0c\u4ee5\u53ca\u91dd\u5c0d\u5be6\u969b\u6d41\u91cf\u57fa\u6e96\uff08\u800c\u975e\u5168\u57df\u9810\u8a2d\u503c\uff09\u6240\u8abf\u6574\u7684\u5404\u7aef\u9ede RPS \u95be\u503c\u3002.<\/p>\n

\u70ba\u4f55\u57fa\u65bc IP \u7684\u901f\u7387\u9650\u5236\u5728\u4e9e\u592a\u5730\u5340\u898f\u6a21\u64f4\u5927\u6642\u6703\u5931\u6548<\/h2>\n

\u57fa\u65bc IP \u7684\u901f\u7387\u9650\u5236\u662f\u5927\u591a\u6578\u5718\u968a\u512a\u5148\u8003\u616e\u7684\u7b2c\u4e00\u500b\u63a7\u5236\u63aa\u65bd\uff0c\u800c\u5728\u8a31\u591a\u4e9e\u592a\u5730\u5340\u7684\u90e8\u7f72\u4e2d\uff0c\u5b83\u53cd\u800c\u6703\u5e36\u4f86\u66f4\u591a\u554f\u984c\uff0c\u800c\u4e0d\u662f\u89e3\u6c7a\u554f\u984c\u3002.<\/p>\n

\u6771\u5357\u4e9e\u3001\u97d3\u570b\u548c\u4e2d\u570b\u90e8\u5206\u5730\u5340\u7684\u884c\u52d5\u7db2\u8def\u71df\u904b\u5546\u4f7f\u7528\u5927\u578b\u7684\u7db2\u8def\u4f4d\u5740\u8f49\u8b6f (CGNAT)\u3002\u6210\u5343\u4e0a\u842c\u7684\u5408\u6cd5\u4f7f\u7528\u8005\u53ef\u4ee5\u5171\u7528\u55ae\u4e00\u7684\u516c\u958b IP \u4f4d\u5740\u3002\u70ba\u5c01\u9396\u983b\u7e41\u722c\u87f2\u800c\u8a2d\u7684 IP \u901f\u7387\u9650\u5236\uff0c\u6703\u89f8\u767c\u884c\u52d5\u7db2\u8def\u71df\u904b\u5546\u7684\u4e3b\u8981 IP \u5340\u584a\uff0c\u5728\u4e2d\u9014\u6514\u622a\u771f\u5be6\u4f7f\u7528\u8005\u7684\u5408\u6cd5\u6d41\u91cf\u3002\u9019\u6703\u986f\u793a\u70ba 429 \u932f\u8aa4\u7684\u7a81\u7136\u6fc0\u589e\uff0c\u4e14\u96c6\u4e2d\u5728\u884c\u52d5\u88dd\u7f6e\u4f7f\u7528\u8005\u7fa4\u6bb5\u2014\u2014\u9019\u5e38\u88ab\u6b78\u548e\u65bc CDN\uff0c\u6709\u6642\u6b78\u548e\u65bc\u61c9\u7528\u7a0b\u5f0f\uff0c\u5f88\u5c11\u8ffd\u6eaf\u5230\u901f\u7387\u9650\u5236\u8a2d\u5b9a\u3002.<\/p>\n

\u8207\u6b64\u540c\u6642\uff0c\u4e00\u500b\u8cc7\u91d1\u96c4\u539a\u7684\u653b\u64ca\u8005\u5982\u679c\u900f\u904e\u4f4f\u5b85\u4ee3\u7406\u7db2\u7d61\u767c\u52d5\u653b\u64ca\uff0c\u5176\u653b\u64ca\u6d41\u91cf\u5c07\u5206\u6563\u5728\u6578\u842c\u500bIP\u4f4d\u5740\u4e0a\uff0c\u8b93\u6bcf\u500bIP\u4f4d\u5740\u7684\u500b\u5225\u8acb\u6c42\u901f\u7387\u90fd\u4f4e\u65bc\u4efb\u4f55\u80fd\u540c\u6642\u89e3\u6c7aCGNAT\u554f\u984c\u7684\u95be\u503c\u3002.<\/p>\n

\u5728\u61c9\u7528\u5c64\uff0c\u66f4\u70ba\u7a69\u5065\u7684\u505a\u6cd5\u662f\u4f9d\u64da\u7d93\u904e\u9a57\u8b49\u7684\u9023\u7dda\u3001API \u6191\u8b49\u6216\u884c\u70ba\u6307\u7d0b\u4f86\u5be6\u65bd\u901f\u7387\u9650\u5236\uff0c\u800c\u975e\u4f9d\u64da IP \u4f4d\u5740\u3002\u5c0d\u65bc\u7121\u6cd5\u63a1\u7528\u4e0a\u8ff0\u65b9\u6cd5\u7684\u672a\u9a57\u8b49\u7d42\u7aef\uff0c\u61c9\u8003\u616e\u63a1\u7528\u8f03\u77ed\u6642\u9593\u7a97\u7684\u7a81\u767c\u6d41\u91cf\u9650\u5236\uff0c\u4e26\u7d50\u5408\u6f38\u9032\u5f0f\u9a57\u8b49\u5f37\u5ea6\u63d0\u5347\u6a5f\u5236\uff0c\u800c\u975e\u5c0d\u6bcf\u500b IP \u4f4d\u5740\u5be6\u65bd\u786c\u6027\u9650\u5236\u3002.<\/p>\n

\u96f6\u7db2\u908a\u7de3\u4fdd\u8b77\u7684\u539f\u59cb IP \u6d29\u6f0f<\/h2>\n

\u82e5\u653b\u64ca\u8005\u5df2\u77e5\u66c9\u60a8\u7684\u6e90\u4f3a\u670d\u5668 IP \u4f4d\u5740\u4e26\u76f4\u63a5\u9396\u5b9a\u8a72\u76ee\u6a19\uff0c\u5373\u4f7f\u90e8\u7f72\u4e86\u5177\u5099\u5b8c\u6574 WAF \u53ca L7 DDoS \u9632\u8b77\u529f\u80fd\u7684 CDN\uff0c\u4e5f\u7121\u6cd5\u63d0\u4f9b\u4efb\u4f55\u4fdd\u8b77\u3002.<\/p>\n

\u539f\u59cb IP \u4f4d\u5740\u6bd4\u5927\u591a\u6578\u5718\u968a\u60f3\u50cf\u7684\u66f4\u5bb9\u6613\u88ab\u767c\u73fe\u3002\u6b77\u53f2 DNS \u8a18\u9304\uff08CDN \u9077\u79fb\u4e4b\u524d\uff09\u3001SSL \u6191\u8b49\u900f\u660e\u5ea6\u65e5\u8a8c\u3001\u61c9\u7528\u7a0b\u5f0f\u5c64\u7d1a\u932f\u8aa4\u8a0a\u606f\u4e2d\u7559\u4e0b\u7684 IPv6 \u4f4d\u5740\u3001CDN \u672a\u6db5\u84cb\u7684\u5b50\u7db2\u57df\u4e0a\u7684 A \u8a18\u9304\uff0c\u6216\u932f\u8aa4\u8a2d\u5b9a\u7684\u66ab\u5b58\u74b0\u5883\u7684\u56de\u61c9\u2014\u2014\u4efb\u4f55\u9019\u4e9b\u90fd\u53ef\u80fd\u66b4\u9732\u539f\u59cb\u4f4d\u5740\u3002\u653b\u64ca\u8005\u5728\u767c\u52d5\u61c9\u7528\u7a0b\u5f0f\u5c64\u7d1a\u653b\u64ca\u4e4b\u524d\uff0c\u901a\u5e38\u6703\u4f8b\u884c\u6027\u5730\u5217\u8209\u9019\u4e9b\u4f4d\u5740\uff0c\u7279\u5225\u662f\u70ba\u4e86\u7e5e\u904e\u908a\u7de3\u4fdd\u8b77\u3002.<\/p>\n

\u4fee\u5fa9\u65b9\u6cd5\u662f\u5c07\u4f86\u6e90 IP \u96b1\u85cf\u8996\u70ba L7 DDoS \u9632\u8b77\u67b6\u69cb\u7684\u4e00\u9805\u786c\u6027\u8981\u6c42\uff0c\u800c\u975e\u9326\u4e0a\u6dfb\u82b1\u3002\u5728\u9632\u706b\u7246\u5c64\u7d1a\uff0c\u50c5\u63a5\u53d7\u4f86\u81ea CDN \u63d0\u4f9b\u8005\u5df2\u767c\u5e03 IP \u7bc4\u570d\u7684\u5165\u7ad9 HTTP\/HTTPS \u9023\u7dda\uff0c\u4e26\u62d2\u7d55\u6240\u6709\u5176\u4ed6\u9023\u7dda\u3002\u5c0d\u65bc\u66f4\u9ad8\u5b89\u5168\u6027\u7684\u8a2d\u5b9a\uff0c\u8acb\u5b8c\u5168\u4ee5\u51fa\u7ad9\u901a\u9053\uff08Cloudflare Tunnel\u3001AWS PrivateLink \u6216\u540c\u7b49\u6280\u8853\uff09\u53d6\u4ee3\u76f4\u63a5\u66b4\u9732\u4f86\u6e90\uff0c\u9019\u6a23\u4f86\u6e90\u6839\u672c\u7121\u9700\u63a5\u53d7\u516c\u958b\u7684\u5165\u7ad9\u9023\u7dda\u3002.<\/p>\n

\u9078\u64c7\u5408\u9069\u7684\u9632\u79a6\u67b6\u69cb<\/h2>\n

\u5be6\u969b\u7684\u6c7a\u5b9a\u4e0d\u662f\u300cL3\/4 \u6216 L7\u300d\u2014\u2014\u800c\u662f\u4e86\u89e3\u54ea\u500b\u5c64\u4ee3\u8868\u60a8\u4e3b\u8981\u7684\u653b\u64ca\u9762\u3002.<\/p>\n

\u5982\u679c\u60a8\u7d93\u71df\u7684\u57fa\u790e\u8a2d\u65bd\u56e0\u5176\u6027\u8cea\uff08\u4f8b\u5982\u5927\u578b DNS \u89e3\u6790\u5668\u3001\u91d1\u878d\u4ea4\u6613\u5e73\u53f0\u3001\u8655\u7406\u5927\u91cf\u9023\u7dda\u7684\u904a\u6232\u5e73\u53f0\uff09\u800c\u6210\u70ba\u6d41\u91cf\u653b\u64ca\u7684\u76ee\u6a19\uff0c\u90a3\u9ebc\u60a8\u5c31\u9700\u8981\u80fd\u5920\u8655\u7406\u5927\u91cf\u6d41\u91cf\u7684 L3\/4 \u5c64\u7d1a\u7684 anycast \u7db2\u8def\u89e3\u6c7a\u65b9\u6848\uff0c\u4e26\u5c07\u5176\u90e8\u7f72\u5728\u6240\u6709\u5176\u4ed6\u670d\u52d9\u7684\u4e0a\u6e38\u3002.<\/p>\n

\u5982\u679c\u60a8\u6b63\u5728\u904b\u884c\u4e00\u500b\u7db2\u8def\u61c9\u7528\u7a0b\u5f0f\u6216 API\uff0cL7 \u5c64\u5e7e\u4e4e\u53ef\u4ee5\u78ba\u5b9a\u662f\u98a8\u96aa\u6700\u96c6\u4e2d\u7684\u5730\u65b9\u3002\u4e00\u500b\u4e2d\u578b\u61c9\u7528\u7a0b\u5f0f\u662f\u4e0d\u6703\u906d\u9047 500 Gbps \u7684 UDP \u6d2a\u6c34\u653b\u64ca\u7684\u3002 \u5b83\u53ef\u80fd\u6703\u9762\u81e8\u6bcf\u79d2 30,000 \u6b21\u767c\u9001\u81f3\u672a\u7d93\u8eab\u4efd\u9a57\u8b49\u7684\u5bc6\u78bc\u91cd\u8a2d\u7aef\u9ede\u7684 HTTP \u8acb\u6c42\uff0c\u6216\u662f 8,000 \u500b\u4f54\u7528\u6240\u6709\u53ef\u7528\u5de5\u4f5c\u57f7\u884c\u7dd2\u7684\u6162\u901f\u9023\u7dda\uff0c\u53c8\u6216\u662f\u65e8\u5728\u8017\u76e1\u60a8\u7684\u641c\u5c0b\u7d22\u5f15\u67e5\u8a62\u914d\u984d\u7684\u91dd\u5c0d\u6027\u722c\u53d6\u653b\u64ca\u3002.<\/p>\n

\u5c0d\u65bc\u5927\u591a\u6578\u7db2\u8def\u548c API \u5de5\u4f5c\u8ca0\u8f09\u800c\u8a00\uff0c\u5728 CDN \u908a\u7de3\u5be6\u65bd\u7684 L7 \u5167\u806f\u9632\u8b77\uff0c\u6240\u6db5\u84cb\u7684\u5be6\u969b\u653b\u64ca\u9762\u6bd4\u50c5\u9760 L3\/4 \u904e\u6ffe\u66f4\u70ba\u5ee3\u6cdb\u3002.<\/strong> \u5169\u500b\u5c64\u7d1a\u7d50\u5408\u8d77\u4f86\u662f\u751f\u7522\u7d1a\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u4f46\u5982\u679c\u5fc5\u9808\u8003\u616e\u6210\u672c\u6216\u71df\u904b\u8907\u96dc\u6027\u4f86\u512a\u5148\u8003\u616e\u8986\u84cb\u7bc4\u570d\uff0c\u90a3\u9ebc\u61c9\u7528\u7a0b\u5f0f\u5c64\u5c31\u662f\u73fe\u4ee3\u653b\u64ca\u7684\u8457\u529b\u9ede\u3002.<\/p>\n

SIRAYA \u91dd\u5c0d\u90e8\u7f72\u65bc\u4e9e\u592a\u5730\u5340\u7684\u61c9\u7528\u7a0b\u5f0f\u6240\u63a8\u85a6\u7684\u4e00\u7a2e\u5e38\u898b\u67b6\u69cb\uff0c\u63a1\u7528\u4e09\u5c64\u67b6\u69cb\uff1a\u7b2c\u4e00\u5c64\u70ba\u6574\u5408\u4e86 WAF \u53ca\u6a5f\u5668\u4eba\u7ba1\u7406\u529f\u80fd\u7684 Anycast CDN \u908a\u7de3\u7bc0\u9ede\uff0c\u4f5c\u70ba\u9996\u500b\u63a5\u89f8\u9ede\uff1b\u7b2c\u4e8c\u5c64\u70ba\u8ca0\u8f09\u5e73\u8861\u5668\u5c64\u7684\u6e90\u4f3a\u670d\u5668\u7d1a\u9023\u7dda\u901f\u7387\u9650\u5236\uff08\u8a2d\u5b9a\u70ba\u4fdd\u5b88\u503c\u4ee5\u907f\u514d CGNAT \u8aa4\u5224\uff09\uff0c \u4ee5\u53ca\u5728 API \u9598\u9053\u5c64\u91dd\u5c0d\u5df2\u9a57\u8b49\u7684 API \u8def\u5f91\u5be6\u65bd\u7684\u7aef\u9ede\u7d1a\u901f\u7387\u9650\u5236\u3002\u5404\u5c64\u7d1a\u8ca0\u8cac\u8655\u7406\u5176\u6700\u64c5\u9577\u5075\u6e2c\u7684\u5a01\u8105\uff1b\u4e0d\u671f\u671b\u55ae\u4e00\u5c64\u7d1a\u80fd\u963b\u64cb\u6240\u6709\u653b\u64ca\u3002.<\/p>\n

WAF \u6a21\u5f0f\u7684\u90e8\u7f72\u98a8\u96aa<\/h2>\n

\u6709\u4e00\u7a2e\u904b\u4f5c\u5931\u8aa4\u4f3c\u4e4e\u4ee5\u9a5a\u4eba\u7684\u983b\u7387\u767c\u751f\uff1a\u90e8\u7f72\u65bc\u300c\u5075\u6e2c\u300d\u6216\u300c\u50c5\u8a18\u9304\u300d\u6a21\u5f0f\u7684 WAF \u898f\u5247\u96c6\uff0c\u5728\u6d41\u91cf\u6fc0\u589e\u4e4b\u524d\u5f9e\u672a\u88ab\u63d0\u5347\u81f3\u300c\u963b\u64cb\u300d\u6a21\u5f0f\u3002.<\/p>\n

\u9019\u7a2e\u8003\u91cf\u53ef\u4ee5\u7406\u89e3\u2014\u2014\u5718\u968a\u5728\u56b4\u683c\u57f7\u884c\u898f\u5247\u4e4b\u524d\uff0c\u5e0c\u671b\u5148\u89c0\u5bdf\u5230\u8aa4\u5831\u7684\u60c5\u6cc1\u3002\u4f46\u300c\u5075\u6e2c\u6a21\u5f0f\u300d\u4e26\u975e\u9632\u8b77\u63aa\u65bd\uff0c\u800c\u662f\u76e3\u63a7\u6a5f\u5236\u3002\u5728\u9762\u81e8\u771f\u5be6\u653b\u64ca\u7684\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u4e00\u500b\u50c5\u8a18\u9304\u4e8b\u4ef6\u800c\u4e0d\u9032\u884c\u963b\u64cb\u7684 WAF \u7cfb\u7d71\uff0c\u53ea\u6703\u70ba\u4e8b\u5f8c\u5831\u544a\u589e\u6dfb\u5167\u5bb9\uff0c\u800c\u975e\u9810\u9632\u4e8b\u4ef6\u767c\u751f\u3002.<\/p>\n

\u8f03\u4f73\u7684\u904b\u4f5c\u505a\u6cd5\u662f\uff0c\u5148\u5728\u98a8\u96aa\u8f03\u4f4e\u7684\u7d42\u7aef\u9ede\uff08\u5982\u975c\u614b\u8cc7\u7522\u8def\u5f91\u3001\u6587\u4ef6\u9801\u9762\uff09\u4ee5\u5340\u584a\u6a21\u5f0f\u90e8\u7f72\u4e26\u9032\u884c\u76e3\u63a7\uff0c\u96a8\u5f8c\u9010\u6b65\u5c07\u898f\u5247\u57f7\u884c\u7bc4\u570d\u64f4\u5c55\u81f3\u654f\u611f\u5ea6\u8f03\u9ad8\u7684\u8def\u5f91\uff0c\u4f8b\u5982\u9a57\u8b49\u53ca API \u7d42\u7aef\u9ede\u3002\u6b64\u8209\u53ef\u5728\u89c0\u5bdf\u671f\u9593\u5efa\u7acb\u5c0d\u898f\u5247\u8abf\u6821\u7684\u4fe1\u5fc3\uff0c\u540c\u6642\u907f\u514d\u8b93\u6574\u500b\u61c9\u7528\u7a0b\u5f0f\u66b4\u9732\u65bc\u98a8\u96aa\u4e4b\u4e2d\u3002.<\/p>\n

\u7b2c 7 \u5c64 DDoS \u9632\u8b77\u4e26\u975e\u8cb7\u4e86\u5c31\u80fd\u7f6e\u4e4b\u4e0d\u7406\u7684\u7522\u54c1\u3002\u9019\u662f\u4e00\u9805\u5fc5\u9808\u914d\u5408\u60a8\u7279\u5b9a\u61c9\u7528\u7a0b\u5f0f\u7684\u6d41\u91cf\u6a21\u5f0f\u3001API \u67b6\u69cb\u3001\u9a57\u8b49\u6a21\u578b\u4ee5\u53ca\u7528\u6236\u5730\u7406\u5206\u5e03\u6240\u9032\u884c\u7684\u914d\u7f6e\u3002 \u5728\u771f\u5be6\u7684\u91dd\u5c0d\u6027\u653b\u64ca\u4e0b\uff0c\u9810\u8a2d\u8a2d\u5b9a\u6975\u5c11\u80fd\u767c\u63ee\u4f5c\u7528\u3002\u80fd\u5920\u62b5\u79a6\u653b\u64ca\u7684\u5718\u968a\uff0c\u662f\u90a3\u4e9b\u5df2\u6839\u64da\u81ea\u8eab\u57fa\u790e\u6d41\u91cf\u8abf\u6574\u898f\u5247\u3001\u7cbe\u78ba\u638c\u63e1\u8ca0\u8f09\u4e0b\u7684\u5feb\u53d6\u884c\u70ba\uff0c\u4e26\u5728\u653b\u64ca\u8005\u958b\u59cb\u641c\u5c0b\u4e4b\u524d\u5c31\u5df2\u96b1\u85cf\u539f\u59cb\u4f3a\u670d\u5668\u7684\u5718\u968a\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

Most teams that get hit by an application-layer attack already had DDoS protection deployed. The protection just wasn’t covering the right layer. Layer 7 DDoS protection solves a fundamentally different problem than network-layer defenses, and treating them as interchangeable is one of the most common and costly infrastructure mistakes in production. The Layer Split Is […]<\/p>\n","protected":false},"author":4,"featured_media":7104,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-7081","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security"],"acf":[],"yoast_head":"\nHow to Implement Layer 7 DDoS Protection for Apps - SIRAYA Technologies<\/title>\n<meta name=\"description\" content=\"Discover Layer 7 DDoS protection best practices for securing web apps and APIs from modern application-layer attacks.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sirayatech.com\/zh\/security\/layer-7-ddos-protection\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Implement Layer 7 DDoS Protection for Apps - 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