{"id":35361,"date":"2026-08-18T15:11:21","date_gmt":"2026-08-18T07:11:21","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-anti-ddos-server-traffic-redirection-and-scrubbing-work\/"},"modified":"2026-08-18T15:16:12","modified_gmt":"2026-08-18T07:16:12","slug":"how-anti-ddos-server-traffic-redirection-and-scrubbing-work","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-anti-ddos-server-traffic-redirection-and-scrubbing-work\/","title":{"rendered":"\u9ad8\u9632\u670d\u52a1\u5668\u6d41\u91cf\u91cd\u5b9a\u5411\u4e0e\u6e05\u6d17\u662f\u5982\u4f55\u5de5\u4f5c\u7684"},"content":{"rendered":"<style>\n    table, th, td {\n        border: 1px solid black;\n        border-collapse: collapse;\n    }\n<\/style>\n<p><a target=\"_self\" href=\"https:\/\/www.varidata.com\/zh-cn\/server\/tokyo\/cn2\/\">\u9ad8\u9632\u670d\u52a1\u5668<\/a> \u4fdd\u62a4\u4f9d\u8d56\u4e8e\u4e00\u4e2a\u540c\u6b65\u534f\u540c\u7684\u591a\u9636\u6bb5\u9632\u5fa1\u6d41\u7a0b\uff0c\u7528\u6765\u4fdd\u62a4\u4f60\u7684\u6570\u5b57\u8d44\u4ea7\u3002\u6d41\u91cf\u91cd\u5b9a\u5411\u4f1a\u5728\u653b\u51fb\u671f\u95f4\u5c06\u9ad8\u5bb9\u91cf\u5165\u53e3\u6d41\u91cf\u4ece\u6e90\u7ad9\u670d\u52a1\u5668\u4e0a\u5f15\u5f00\u3002\u540c\u65f6\uff0c\u4e13\u4e1a\u6e05\u6d17\u4e2d\u5fc3\u4f1a\u6267\u884c\u5b9e\u65f6\u6570\u636e\u5305\u8fc7\u6ee4\uff0c\u5206\u6790\u6bcf\u4e00\u6761\u8fdb\u5165\u7684\u8bf7\u6c42\u3002<\/p>\n<p>\u6839\u636e Cloudflare\u300a2024 \u5e74\u7b2c 4 \u5b63\u5ea6 DDoS \u5a01\u80c1\u62a5\u544a\u300b\uff0cCloudflare \u5728 2024 \u5e74\u7f13\u89e3\u4e86 2130 \u4e07\u6b21\u5168\u7403 DDoS \u653b\u51fb\uff0c\u5176\u4e2d\u5305\u62ec 1140 \u4e07\u6b21\u7f51\u7edc\u5c42 DDoS \u653b\u51fb\u3002\u8fd9\u4e9b\u7f51\u7edc\u653b\u51fb\u4f1a\u5bf9\u672a\u53d7\u7ba1\u7406\u7684\u7cfb\u7edf\u9020\u6210\u4e25\u91cd\u7684\u8d22\u52a1\u635f\u5931\u3002Ponemon Institute 2024 \u5e74\u57fa\u51c6\u6570\u636e\u663e\u793a\uff0c\u6bcf\u8d77 DDoS \u4e8b\u4ef6\u7684\u5e73\u5747\u603b\u6210\u672c\u4e3a 218,000 \u7f8e\u5143\uff0c\u505c\u673a\u6bcf\u5c0f\u65f6\u6210\u672c\u9ad8\u8fbe 20,000\u2013100,000+ \u7f8e\u5143\u3002\u5373\u65f6\u91cd\u5b9a\u5411\u4e0e\u7cbe\u786e\u6e05\u6d17\u53ef\u4ee5\u9694\u79bb\u6076\u610f\u5b57\u8282\uff0c\u786e\u4fdd\u670d\u52a1\u6301\u7eed\u53ef\u7528\u3002<\/p>\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<ul>\n<li>\n<p>\u81ea\u52a8\u5316\u76d1\u63a7\u7cfb\u7edf\u53ef\u5373\u65f6\u68c0\u6d4b DDoS \u653b\u51fb\uff0c\u5e76\u5c06\u6076\u610f\u6d41\u91cf\u4ece\u6838\u5fc3\u670d\u52a1\u5668\u4e0a\u5f15\u6d41\u3002<\/p>\n<\/li>\n<li>\n<p>\u6e05\u6d17\u4e2d\u5fc3\u5b9e\u65f6\u68c0\u67e5\u8fdb\u5165\u7684\u6570\u636e\u5305\uff0c\u4ee5\u8fc7\u6ee4\u6076\u610f\u7f51\u7edc\u5a01\u80c1\u3002<\/p>\n<\/li>\n<li>\n<p>\u50cf SYN cookies \u548c JavaScript \u6311\u6218\u8fd9\u6837\u7684\u9a8c\u8bc1\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u6709\u6548\u963b\u65ad\u81ea\u52a8\u5316\u50f5\u5c38\u7f51\u7edc\u3002<\/p>\n<\/li>\n<li>\n<p>\u53d7\u4fdd\u62a4\u7f51\u7edc\u901a\u8fc7\u5b89\u5168\u53cd\u5411\u4ee3\u7406\u6216\u76f4\u63a5\u96a7\u9053\uff0c\u5c06\u5e72\u51c0\u6d41\u91cf\u53d1\u9001\u56de\u6e90\u7ad9\u670d\u52a1\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u81ea\u52a8\u5316\u9ad8\u9632\u7cfb\u7edf\u53ef\u4ee5\u9632\u6b62\u4ee3\u4ef7\u9ad8\u6602\u7684\u670d\u52a1\u5b95\u673a\uff0c\u4fdd\u62a4\u4f60\u7684\u7ebf\u4e0a\u4e1a\u52a1\u58f0\u8a89\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u9ad8\u9632\u670d\u52a1\u5668\u7684\u6d41\u91cf\u91cd\u5b9a\u5411<\/h2>\n<p>\u9ad8\u5bb9\u91cf\u7f51\u7edc\u653b\u51fb\u4f1a\u5a01\u80c1\u4f60\u7684\u5173\u952e\u7ebf\u4e0a\u670d\u52a1\u3002\u4f60\u5fc5\u987b\u5728\u7cfb\u7edf\u5f7b\u5e95\u5b95\u673a\u524d\uff0c\u5c06\u6076\u610f\u6d41\u91cf\u4ece\u6e90\u7ad9\u57fa\u7840\u8bbe\u65bd\u4e0a\u5f15\u8d70\u3002\u9ad8\u9632\u670d\u52a1\u5668\u90e8\u7f72\u4f1a\u7ed3\u5408\u81ea\u52a8\u5316\u7f51\u7edc\u76d1\u63a7\u4e0e\u667a\u80fd\u6d41\u91cf\u91cd\u5b9a\u5411\uff0c\u8fd9\u4e00\u6574\u4f53\u65b9\u6848\u53ef\u4ee5\u4e3a\u4f60\u7684\u6838\u5fc3\u670d\u52a1\u5668\u62b5\u5fa1\u7a81\u53d1\u7684\u4f53\u91cf\u578b\u6d2a\u6d41\u653b\u51fb\u3002<\/p>\n<h3>\u81ea\u52a8\u5316\u5f02\u5e38\u68c0\u6d4b\u89e6\u53d1\u5668<\/h3>\n<p>\u6301\u7eed\u7684\u7f51\u7edc\u6d41\u91cf\u9065\u6d4b\u5b88\u62a4\u7740\u4f60\u7684\u7f51\u7edc\u8fb9\u754c\u3002\u5b9e\u65f6\u68c0\u6d4b\u5f15\u64ce\u4f1a\u5206\u6790\u6d41\u91cf\u6570\u636e\u3001BGP 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\u53d1\u8d77\uff0c\u4ea7\u751f\u4e86 14 \u4ebf\u4e2a\u5e26 TLS \u968f\u673a\u5316\u7684 HTTP GET \u8bf7\u6c42\u3002\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u5b9e\u73b0\u4e86 99.95% \u7684\u68c0\u6d4b\u4e0e\u7f13\u89e3\u7cbe\u5ea6\u3002\u5728 APJ \u67d0\u7535\u5546\u9996\u9875\u7684\u53e6\u4e00\u6848\u4f8b\u4e2d\uff0c\u7cfb\u7edf\u8bc6\u522b\u51fa\u6765\u81ea 643 \u4e2a\u7f51\u7edc\u30015000+ \u4e2a IP \u7684 1.85 \u4ebf\u4e2a HTTP GET \u8bf7\u6c42\uff0c\u5e76\u8fbe\u5230 99.50% \u7684\u7cbe\u5ea6\u3002<\/p>\n<p>\u5b89\u5168\u5de5\u5177\u4f1a\u6536\u96c6\u7279\u5b9a\u7684\u9065\u6d4b\u6307\u6807\uff0c\u4ee5\u5feb\u901f\u8bc6\u522b\u653b\u51fb\u6a21\u5f0f\uff1a<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u9065\u6d4b\u6765\u6e90<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u7528\u4e8e DDoS \u68c0\u6d4b\u7684\u6307\u6807<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6d41\u91cf\u9065\u6d4b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6d41\u91cf\u603b\u91cf\u3001\u6d41\u91cf\u7a81\u589e\u3001\u5f02\u5e38\u76ee\u6807\u5730\u5740<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>BGP \u9065\u6d4b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8def\u7531\u53d8\u66f4\u3001BGP \u66f4\u65b0\u3001\u9519\u8bef\u8def\u7531\u6d41\u91cf<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7edf\u8ba1\u57fa\u7ebf<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u65b9\u5dee\u3001\u6807\u51c6\u5dee\u3001\u9608\u503c\u504f\u79bb\u60c5\u51b5<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7279\u5f81\u5206\u6790<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f53\u91cf\u6d2a\u6d41\u3001SYN \u6d2a\u6d41\u3001\u5a01\u80c1\u60c5\u62a5\u5339\u914d<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>BGP \u91cd\u8def\u7531\u4e0e DNS \u91cd\u5b9a\u5411<\/h3>\n<p>\u4e00\u65e6\u7f51\u7edc\u76d1\u63a7\u63a2\u9488\u68c0\u6d4b\u5230\u5f02\u5e38\uff0c\u81ea\u52a8\u5316\u91cd\u5b9a\u5411\u673a\u5236\u5c31\u4f1a\u5c06\u8fdb\u5165\u7684\u6570\u636e\u6d41\u4ece\u76ee\u6807\u670d\u52a1\u5668\u4e0a\u5f15\u5f00\u3002\u73b0\u4ee3\u5b89\u5168\u67b6\u6784\u91c7\u7528\u591a\u79cd\u6280\u672f\u7b56\u7565\uff0c\u9ad8\u6548\u5730\u5f15\u5bfc\u6076\u610f\u6d41\u91cf\uff1a<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u673a\u5236<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5982\u4f55\u652f\u6301\u4ece\u6e90\u7ad9\u91cd\u5b9a\u5411<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>BGP Anycast<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5206\u5e03\u5f0f\u8fb9\u7f18\u8282\u70b9\u5ba3\u544a\u76f8\u540c IP \u524d\u7f00\uff0c\u5728\u5168\u7403\u8303\u56f4\u5438\u6536\u4f53\u91cf\u6d2a\u6d41\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>BGP Flowspec<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8fb9\u7f18\u8def\u7531\u5668\u5c06\u5339\u914d\u7684\u6076\u610f\u6d41\u91cf\u79fb\u52a8\u5230\u72ec\u7acb VRF \u6216\u8f6c\u53d1\u4e0b\u4e00\u8df3\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>CDN \u5206\u53d1<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8fb9\u7f18\u8282\u70b9\u5728\u5168\u7403\u54cd\u5e94 Web \u8bf7\u6c42\uff0c\u5c06\u653b\u51fb\u8d1f\u8f7d\u4e0e\u6e90\u7ad9\u786c\u4ef6\u9694\u79bb\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9ed1\u6d1e\u8def\u7531<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728\u65e0\u6cd5\u8fdb\u884c\u6e05\u6d17\u65f6\uff0c\u4e0a\u6e38\u63d0\u4f9b\u5546\u4e22\u5f03\u76ee\u6807\u6d41\u91cf\u4ee5\u4fdd\u62a4\u6838\u5fc3\u57fa\u7840\u8bbe\u65bd\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5728\u542f\u7528 BGP Anycast \u6d41\u91cf\u91cd\u5b9a\u5411\u65f6\uff0c\u9632\u62a4\u670d\u52a1\u5546\u4f1a\u4ece\u5176\u81ea\u6cbb\u7cfb\u7edf\u53f7\uff08ASN\uff09\u5ba3\u544a\u4f60\u7684\u53d7\u4fdd\u62a4 IP \u524d\u7f00\uff0c\u5e76\u4f7f\u7528\u66f4\u5177\u4f53\u7684\u8def\u7531\uff0c\u6bd4\u5982\u5728\u5ba2\u6237 \/22 \u7f51\u6bb5\u4e2d\u5ba3\u544a\u4e00\u4e2a \/24 \u6bb5\u3002\u4e92\u8054\u7f51\u8def\u7531\u5668\u4f1a\u81ea\u52a8\u5728\u5168\u7403\u8303\u56f4\u4f18\u5148\u9009\u62e9\u6700\u957f\u5339\u914d\u524d\u7f00\u3002\u5168\u5c40\u8def\u7531\u4f1a\u8fc5\u901f\u6536\u655b\u5230\u6e05\u6d17\u4e2d\u5fc3\u57fa\u7840\u8bbe\u65bd\u3002\u653b\u51fb\u6d41\u91cf\u4f1a\u540c\u65f6\u5206\u6563\u5230\u591a\u4e2a\u5168\u7403\u6e05\u6d17\u8282\u70b9\uff0c\u800c\u4e0d\u4f1a\u538b\u57ae\u5355\u4e00\u6e90\u7ad9\u4e3b\u673a\u3002<\/p>\n<p>\u53e6\u4e00\u79cd\u65b9\u5f0f\u662f\uff0c\u7f51\u7edc\u8fd0\u8425\u65b9\u901a\u8fc7\u5e26\u6709 Flow Spec NLRI\uff08AFI 1\uff0cSAFI 133\uff09\u7684\u591a\u534f\u8bae BGP \u4e0b\u53d1\u7ec6\u7c92\u5ea6 BGP Flowspec \u89c4\u5219\u3002BGP \u63a7\u5236\u5668\u5c06\u8fd9\u4e9b\u89c4\u5219\u4e0b\u53d1\u5230\u8fb9\u7f18\u8def\u7531\u5668\uff0c\u540e\u8005\u4f1a\u628a\u5b83\u4eec\u8f6c\u6362\u4e3a\u7ebf\u901f\u8bbf\u95ee\u63a7\u5236\u5217\u8868\u3002\u8fb9\u754c\u8def\u7531\u5668\u53ef\u4ee5\u4e22\u5f03\u5339\u914d\u7684\u653b\u51fb\u6d41\u91cf\u3001\u9650\u5236\u8fc7\u9ad8\u5e26\u5bbd\uff0c\u6216\u5c06\u53ef\u7591\u6d41\u5f15\u5bfc\u5230\u5355\u72ec\u7684\u865a\u62df\u8def\u7531\u4e0e\u8f6c\u53d1\u8868\uff08VRF\uff09\u4e2d\u8fdb\u884c\u6df1\u5ea6\u6570\u636e\u5305\u5206\u6790\u3002<\/p>\n<p>DNS \u91cd\u5b9a\u5411\u5219\u63d0\u4f9b\u4e86\u4e00\u79cd\u6709\u6548\u7684\u5e94\u7528\u5c42\u8fc7\u6ee4\u66ff\u4ee3\u65b9\u6848\u3002\u901a\u8fc7\u4fee\u6539\u57df\u540d\u7cfb\u7edf\u8bb0\u5f55\uff0c\u53ef\u4ee5\u5c06\u8fdb\u5165\u7684\u7528\u6237 Web \u6d41\u91cf\u5f15\u5bfc\u81f3\u9ad8\u9632\u670d\u52a1\u5668\u7684\u53cd\u5411\u4ee3\u7406\u7f51\u7edc\u3002\u53cd\u5411\u4ee3\u7406\u4f1a\u68c0\u67e5\u8fdb\u5165\u7684 HTTP \u8bf7\u6c42\uff0c\u5265\u79bb\u6076\u610f\u8d1f\u8f7d\uff0c\u5e76\u5c06\u5e72\u51c0\u7684\u5408\u6cd5\u6d41\u91cf\u76f4\u63a5\u8f6c\u53d1\u5230\u540e\u7aef\u6e90\u7ad9\u670d\u52a1\u5668\u3002<\/p>\n<h2>\u6570\u636e\u5305\u6e05\u6d17\u4e0e\u68c0\u6d4b\u6280\u672f<\/h2>\n<p>\u9ad8\u5bb9\u91cf\u6570\u636e\u4e2d\u5fc3\u4f1a\u90e8\u7f72\u4e13\u7528\u786c\u4ef6\u8bbe\u5907\u6765\u5904\u7406\u88ab\u5f15\u6d41\u8fc7\u6765\u7684\u6d41\u91cf\u3002\u4f60\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u786c\u4ef6\u8bbe\u5907\u76f4\u63a5\u4e32\u8054\u5728\u7ebf\u8def\u4e0a\uff0c\u6216\u8005\u901a\u8fc7 BGP \u5f15\u6d41\u4ee5\u65c1\u8def\u65b9\u5f0f\u63a5\u5165\uff0c\u5728\u6d41\u91cf\u62b5\u8fbe\u76ee\u6807\u7cfb\u7edf\u524d\u8fc7\u6ee4\u6076\u610f\u5b57\u8282\u3002<\/p>\n<h3>\u6df1\u5ea6\u6570\u636e\u5305\u68c0\u6d4b\u4e0e\u8fc7\u6ee4<\/h3>\n<p>\u6df1\u5ea6\u6570\u636e\u5305\u68c0\u6d4b\u4f1a\u5728\u5b9e\u65f6\u4e2d\u68c0\u67e5\u8fdb\u5165\u6570\u636e\u5305\u7684\u62a5\u5934\u548c\u8f7d\u8377\u5185\u5bb9\u3002\u4f20\u7edf\u9632\u706b\u5899\u53ea\u8bc4\u4f30\u57fa\u7840\u7684\u6e90\u5730\u5740\u3001\u76ee\u6807 IP \u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002DPI \u5219\u66f4\u6df1\u5165\u5730\u68c0\u67e5 HTTP \u5934\u3001\u8bf7\u6c42 URL \u548c\u5e94\u7528\u5c42\u8f7d\u8377\u3002\u4f60\u53ef\u4ee5\u5728\u4e13\u7528\u8bbe\u5907\u4e0a\u89e3\u5bc6 SSL\/TLS \u6d41\u91cf\uff0c\u66b4\u9732\u9690\u85cf\u5728 HTTPS \u4f1a\u8bdd\u4e2d\u7684\u6076\u610f\u8d1f\u8f7d\u3002\u57fa\u4e8e\u7279\u5f81\u7684\u68c0\u6d4b\u5f15\u64ce\u4f1a\u5c06\u8f7d\u8377\u5185\u5bb9\u4e0e\u5df2\u77e5\u653b\u51fb\u6a21\u5f0f\u6570\u636e\u5e93\u8fdb\u884c\u5339\u914d\u3002\u8fd9\u4e9b\u9884\u8bbe\u89c4\u5219\u53ef\u4ee5\u5728\u7ebf\u901f\u72b6\u6001\u4e0b\uff0c\u7acb\u5373\u4e22\u5f03\u7578\u5f62\u6570\u636e\u5305\u3001SQL \u6ce8\u5165\u5c1d\u8bd5\u3001DNS \u653e\u5927\u5411\u91cf\u548c NTP \u53cd\u5c04\u653b\u51fb\u3002<\/p>\n<p>\u6e05\u6d17\u5f15\u64ce\u4f1a\u6574\u5408\u591a\u4e2a\u68c0\u6d4b\u5c42\uff0c\u5305\u62ec\u6570\u636e\u5305\u5206\u7c7b\u3001RFC \u534f\u8bae\u5408\u89c4\u6027\u6821\u9a8c\u548c\u5a01\u80c1\u60c5\u62a5\u8ba2\u9605\u3002\u5a01\u80c1\u60c5\u62a5\u4f1a\u5c06\u8fdb\u5165\u6d41\u91cf\u4e0e\u5b9e\u65f6\u7684\u50f5\u5c38\u7f51\u7edc\u5217\u8868\u3001\u5df2\u6ca6\u9677\u4e3b\u673a\u4ee5\u53ca\u6076\u610f IP \u4fe1\u8a89\u8bc4\u5206\u8fdb\u884c\u4ea4\u53c9\u6bd4\u5bf9\u3002\u7136\u800c\uff0c\u591a Gbps \u7684\u6d41\u91cf\u5cf0\u503c\u4f1a\u7ed9\u786c\u4ef6\u8bbe\u5907\u5e26\u6765\u6027\u80fd\u538b\u529b\u3002\u5728 100 Gbps \u7f51\u7edc\u4e0a\uff0cDPI \u80fd\u529b\u5728\u5904\u7406\u7cbe\u5ea6\u4e0a\u4f1a\u9047\u5230\u74f6\u9888\u3002\u9ad8\u6d41\u91cf\u901f\u7387\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u6570\u636e\u5305\u4e22\u5931\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5c0f\u5305\u6216\u6076\u610f\u6d41\u65f6\u3002\u4f60\u7684\u9ad8\u9632\u670d\u52a1\u5668\u90e8\u7f72\u5fc5\u987b\u5728\u7ec6\u7c92\u5ea6\u8f7d\u8377\u68c0\u6d4b\u4e0e\u9ad8\u901f\u8f6c\u53d1\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\uff0c\u4ee5\u907f\u514d\u7f51\u7edc\u65f6\u5ef6\u3002<\/p>\n<h3>\u884c\u4e3a\u5206\u6790\u4e0e\u6311\u6218\u2011\u5e94\u7b54\u673a\u5236<\/h3>\n<p>\u7f51\u7edc\u72af\u7f6a\u5206\u5b50\u7ecf\u5e38\u53d1\u8d77\u590d\u6742\u7684\u4f4e\u901f\u5e94\u7528\u5c42\u653b\u51fb\uff0c\u4ee5\u7ed5\u8fc7\u4f20\u7edf\u4f53\u91cf\u9608\u503c\u3002\u8fd9\u7c7b\u653b\u51fb\u4f1a\u4ee5\u4f4e\u901f\u4ece\u5206\u5e03\u5f0f IP \u53d1\u9001\u770b\u4f3c\u5408\u6cd5\u7684 HTTP \u8bf7\u6c42\u3002\u76f8\u6bd4\u7a81\u7136\u7684\u5e26\u5bbd\u6fc0\u589e\uff0c\u7f13\u6162\u8bf7\u6c42\u4f1a\u957f\u65f6\u95f4\u5360\u7528\u670d\u52a1\u5668\u8fde\u63a5\u7ebf\u7a0b\uff0c\u76f4\u5230\u8d44\u6e90\u88ab\u5b8c\u5168\u8017\u5c3d\u3002\u884c\u4e3a\u5206\u6790\u901a\u8fc7\u5c06\u5b9e\u65f6\u6d41\u91cf\u4e0e\u65e2\u5b9a\u57fa\u7ebf\u6a21\u5f0f\u8fdb\u884c\u5bf9\u6bd4\u6765\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002\u68c0\u6d4b\u5f15\u64ce\u4f1a\u76d1\u63a7\u8bf7\u6c42\u91cd\u590d\u5ea6\u3001\u4f1a\u8bdd\u65f6\u957f\u548c\u7aef\u70b9\u96c6\u4e2d\u5ea6\u3002\u884c\u4e3a\u68c0\u6d4b\u7b97\u6cd5\u53ef\u4ee5\u8bc6\u522b\u5f02\u5e38\u8d44\u6e90\u6d88\u8017\u60c5\u51b5\uff0c\u8ba9\u4f60\u5728\u4e0d\u5b8c\u5168\u4f9d\u8d56\u7b80\u5355\u9650\u6d41\u7684\u524d\u63d0\u4e0b\u963b\u65ad\u9690\u853d\u5e94\u7528\u5c42\u5a01\u80c1\u3002<\/p>\n<p>\u6311\u6218\u2011\u5e94\u7b54\u673a\u5236\u901a\u8fc7\u9a8c\u8bc1\u5ba2\u6237\u7aef\u5408\u6cd5\u6027\uff0c\u6709\u6548\u963b\u65ad\u50f5\u5c38\u7f51\u7edc\u3002\u5f53\u6d41\u91cf\u6307\u6807\u8d8a\u8fc7\u5b89\u5168\u9608\u503c\u65f6\uff0c\u6e05\u6d17\u7cfb\u7edf\u4f1a\u4e0b\u53d1\u5404\u79cd\u9a8c\u8bc1\u6311\u6218\uff0c\u4ee5\u6d4b\u8bd5\u5ba2\u6237\u7aef\u80fd\u529b\uff1a<\/p>\n<ul>\n<li>\n<p>SYN cookies \u5728 SYN \u6d2a\u6d41\u671f\u95f4\u4fdd\u62a4\u4f20\u8f93\u5c42\uff0c\u901a\u8fc7\u5728 SYN\u2011ACK \u5305\u4e2d\u5d4c\u5165\u552f\u4e00\u7684 cookie\uff0c\u5e76\u5728\u5ba2\u6237\u7aef\u8fd4\u56de\u6709\u6548 ACK \u5305\u524d\uff0c\u6682\u7f13\u672c\u5730\u5185\u5b58\u5206\u914d\u3002<\/p>\n<\/li>\n<li>\n<p>JavaScript \u6311\u6218\u901a\u8fc7\u5411\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u53d1\u9001\u52a8\u6001\u8c1c\u9898\u6765\u6784\u5efa\u5ba2\u6237\u7aef\u9632\u5fa1\uff0c\u8981\u6c42\u771f\u5b9e\u6d4f\u89c8\u5668\u6267\u884c\u811a\u672c\u5e76\u643a\u5e26\u6709\u6548\u9a8c\u8bc1 cookie \u91cd\u65b0\u53d1\u8d77\u8bf7\u6c42\u3002<\/p>\n<\/li>\n<li>\n<p>\u57fa\u4e8e\u5730\u7406\u4f4d\u7f6e\u7684\u5ba2\u6237\u7aef\u5b8c\u6574\u6027\u68c0\u67e5\uff0c\u4f1a\u5728\u6765\u81ea\u7279\u5b9a\u56fd\u5bb6\/\u5730\u533a\u7684\u6d41\u91cf\u7a81\u7834\u914d\u7f6e\u9608\u503c\u65f6\u89e6\u53d1\u6311\u6218\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u81ea\u52a8\u5316\u653b\u51fb\u5de5\u5177\u4f1a\u5728\u8fd9\u4e9b\u9a8c\u8bc1\u6311\u6218\u4e2d\u5b8c\u5168\u5931\u8d25\u3002\u6e05\u6d17\u57fa\u7840\u8bbe\u65bd\u4f1a\u7acb\u5373\u4e22\u5f03\u4e0d\u5408\u89c4\u7684\u50f5\u5c38\u6d41\u91cf\u8bf7\u6c42\uff0c\u540c\u65f6\u5141\u8bb8\u5408\u6cd5\u7528\u6237\u65e0\u7f1d\u8bbf\u95ee\u4f60\u7684\u6e90\u7ad9\u670d\u52a1\u5668\u3002<\/p>\n<h2>\u5e72\u51c0\u6d41\u91cf\u56de\u6ce8\u6e90\u7ad9\u57fa\u7840\u8bbe\u65bd<\/h2>\n<h3>\u5c06\u5e72\u51c0\u6d41\u91cf\u8f6c\u53d1\u56de\u6e90\u7ad9<\/h3>\n<p>\u5728\u8fc7\u6ee4\u6076\u610f\u6d41\u91cf\u540e\uff0c\u4f60\u5fc5\u987b\u5b89\u5168\u5730\u5c06\u5df2\u6e05\u6d17\u6570\u636e\u56de\u6ce8\u5230\u6e90\u7ad9\u7f51\u7edc\u3002\u5b89\u5168\u67b6\u6784\u4f1a\u4f7f\u7528\u53cd\u5411\u4ee3\u7406\u6216\u901a\u7528\u8def\u7531\u5c01\u88c5\uff08GRE\uff09\u96a7\u9053\u6765\u5b8c\u6210\u8fd9\u4e00\u56de\u6ce8\u8fc7\u7a0b\u3002\u9ad8\u9632\u670d\u52a1\u5668\u90e8\u7f72\u5728\u4fdd\u62a4\u5e95\u5c42\u786c\u4ef6\u7684\u540c\u65f6\uff0c\u4f1a\u5c06\u5df2\u9a8c\u8bc1\u7684\u8bf7\u6c42\u91cd\u65b0\u9001\u56de\u4f60\u7684\u57fa\u7840\u8bbe\u65bd\u3002<\/p>\n<p>\u5f53\u4f60\u9700\u8981\u76f4\u63a5\u7684\u7f51\u7edc\u5c42\u8f6c\u53d1\u65f6\uff0cGRE \u96a7\u9053\u53ef\u4ee5\u4fdd\u7559\u539f\u59cb\u6570\u636e\u5305\u5934\u3002\u5c01\u88c5\u8fc7\u7a0b\u5305\u62ec\u4e94\u4e2a\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\n<p>\u6e05\u6d17\u8282\u70b9\u5c06\u5e72\u51c0\u6d41\u91cf\u8f6c\u53d1\u8fdb GRE \u96a7\u9053\u3002<\/p>\n<\/li>\n<li>\n<p>\u53d1\u9001\u7aef\u8def\u7531\u5668\u4e3a\u6570\u636e\u5305\u6dfb\u52a0 GRE \u5934\u548c\u5916\u5c42 IP \u5934\uff0c\u800c\u4e0d\u4fee\u6539\u5185\u90e8\u62a5\u5934\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e92\u8054\u7f51\u8def\u7531\u5668\u4ec5\u6839\u636e\u5916\u5c42\u96a7\u9053\u7aef\u70b9\u5730\u5740\u8fdb\u884c\u8f6c\u53d1\u3002<\/p>\n<\/li>\n<li>\n<p>\u63a5\u6536\u7f51\u5173\u79fb\u9664\u5916\u5c42 IP \u5934\u548c GRE \u5934\u3002<\/p>\n<\/li>\n<li>\n<p>\u6e90\u7ad9\u670d\u52a1\u5668\u63a5\u6536\u5b8c\u6574\u7684\u539f\u59cb\u6570\u636e\u5305\u4ee5\u53ca\u5176\u771f\u5b9e\u6e90 IP \u5730\u5740\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u53cd\u5411\u4ee3\u7406\u901a\u8fc7\u76f4\u63a5\u4f4d\u4e8e\u6e90\u7ad9\u786c\u4ef6\u524d\u65b9\u6765\u5904\u7406\u5e94\u7528\u5c42\u6d41\u91cf\u56de\u6ce8\uff1a<\/p>\n<ul>\n<li>\n<p>\u4ee3\u7406\u4f1a\u68c0\u67e5\u8fdb\u5165\u8bf7\u6c42\u5e76\u8fc7\u6ee4\u5a01\u80c1\uff0c\u9632\u6b62\u6076\u610f\u6d41\u91cf\u89e6\u8fbe\u540e\u7aef\u3002<\/p>\n<\/li>\n<li>\n<p>\u4ee3\u7406\u4f1a\u9690\u85cf\u6e90\u7ad9 IP\uff0c\u540c\u65f6\u5bf9\u5355\u4e2a\u5730\u5740\u5b9e\u65bd\u9650\u901f\uff0c\u4ee5\u963b\u6b62\u8d44\u6e90\u6ee5\u7528\u3002<\/p>\n<\/li>\n<li>\n<p>\u73b0\u4ee3\u90e8\u7f72\uff08\u4f8b\u5982 Gcore \u7684\u5b9e\u73b0\uff09\u91c7\u7528\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u7684\u68c0\u6d4b\u4e0e\u8d85\u8fc7 1 Tbps 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