{"id":36718,"date":"2026-10-20T08:00:45","date_gmt":"2026-10-20T00:00:45","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-determine-if-your-server-is-under-cc-attack-or-busy\/"},"modified":"2026-10-21T11:35:18","modified_gmt":"2026-10-21T03:35:18","slug":"how-to-determine-if-your-server-is-under-cc-attack-or-busy","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-determine-if-your-server-is-under-cc-attack-or-busy\/","title":{"rendered":"\u5982\u4f55\u5224\u65ad\u4f60\u7684\u670d\u52a1\u5668\u662f\u5728\u906d\u53d7 CC \u653b\u51fb\uff0c\u8fd8\u662f\u4e1a\u52a1\u7e41\u5fd9"},"content":{"rendered":"<p>\u5f53\u4f60\u7684\u7f51\u7ad9\u53d8\u5f97<a href=\"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-to-fix-slow-website-loading-and-keep-your-customers\/\" target=\"_blank\">\u5f02\u5e38\u7f13\u6162<\/a>\uff0c\u751a\u81f3\u76f4\u63a5\u6389\u7ebf\u65f6\uff0c\u4f60\u5f80\u5f80\u5f88\u96be\u5206\u8fa8\uff1a\u8fd9\u7a76\u7adf\u662f\u906d\u5230\u4e86\u653b\u51fb\uff0c\u8fd8\u662f\u56e0\u4e3a\u6d41\u91cf\u592a\u597d\u3002\u8fd9\u91cc\u5148\u7ed9\u51fa\u6700\u76f4\u63a5\u7684\u5224\u65ad\u65b9\u6cd5\uff1a\u5982\u679c\u662f\u771f\u5b9e\u6d41\u91cf\u6fc0\u589e\uff0c\u5e26\u5bbd\u548c QPS \u5f80\u5f80\u4f1a\u540c\u6b65\u4e0a\u5347\uff1b\u5982\u679c\u662f CC \u653b\u51fb\uff0cQPS \u4f1a\u660e\u663e\u98d9\u5347\uff0c\u800c\u5e26\u5bbd\u901a\u5e38\u76f8\u5bf9\u5e73\u7a33\uff0c\u56e0\u4e3a\u8fd9\u7c7b\u5e94\u7528\u5c42\u6d41\u91cf\u4e3b\u8981\u7531\u5927\u91cf\u77ed\u5c0f\u3001\u91cd\u590d\u7684\u7b2c 7 \u5c42\u8bf7\u6c42\u6784\u6210\u3002\u4f60\u53ef\u4ee5\u6309\u7167\u4e0b\u9762\u8fd9\u5957\u56db\u6b65\u8bca\u65ad\u4e0e\u54cd\u5e94\u6307\u5357\uff0c\u5224\u65ad<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/\" target=\"_blank\">\u670d\u52a1\u5668<\/a>\u662f\u5426\u6b63\u5728\u906d\u53d7 CC \u653b\u51fb\u3002\u4f60\u5c06\u5b66\u4f1a\u5982\u4f55\u533a\u5206\u771f\u5b9e\u6d41\u91cf\u66b4\u6da8\u3001\u7f51\u7edc\u5c42\u6d2a\u6cdb\u653b\u51fb\uff0c\u4ee5\u53ca CC \u6d2a\u6cdb\u653b\u51fb\uff0c\u5e76\u636e\u6b64\u91c7\u53d6\u6b63\u786e\u63aa\u65bd\u3002<\/p>\n<h2>\u5148\u5728\u76d1\u63a7\u4e2d\u67e5\u770b\u5e26\u5bbd\u4e0e QPS<\/h2>\n<p>\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u95ee\u9898\u53ea\u9700\u5728\u4e00\u4e2a\u5730\u65b9\u5c31\u80fd\u521d\u6b65\u5224\u65ad\uff1a\u628a\u5e26\u5bbd\u548c QPS \u653e\u5728\u540c\u4e00\u65f6\u95f4\u8f74\u4e0a\u5e76\u6392\u67e5\u770b\u3002\u89c4\u5219\u5f88\u7b80\u5355\u3002\u82e5\u662f\u771f\u5b9e\u7528\u6237\u6d41\u91cf\u6fc0\u589e\uff0c\u5e26\u5bbd\u548c QPS \u4f1a\u540c\u6b65\u4e0a\u6da8\uff1b\u82e5\u662f CC \u653b\u51fb\uff0cQPS \u4f1a\u98d9\u5347\uff0c\u800c\u5e26\u5bbd\u5219\u76f8\u5bf9\u5e73\u7a33\u3002\u539f\u56e0\u5f88\u76f4\u63a5\uff1aCC \u653b\u51fb\u672c\u8d28\u4e0a\u662f\u5e94\u7528\u5c42\u6d2a\u6cdb\uff0c\u7531\u5927\u91cf\u77ed\u5c0f\u3001\u91cd\u590d\u7684 HTTP \u8bf7\u6c42\u7ec4\u6210\u3002\u5355\u4e2a\u8bf7\u6c42\u4f20\u8f93\u7684\u6570\u636e\u91cf\u5f88\u5c0f\uff0c\u56e0\u6b64\u5360\u7528\u5e26\u5bbd\u6709\u9650\uff0c\u4f46\u8bf7\u6c42\u6570\u91cf\u4f1a\u8fc5\u901f\u6500\u5347\u3002<\/p>\n<h3>\u5f53\u4e24\u4e2a\u6307\u6807\u540c\u65f6\u4e0a\u5347\u65f6<\/h3>\n<p>\u6253\u5f00\u4f60\u7684\u76d1\u63a7\u9762\u677f\uff0c\u628a\u4e24\u5f20\u56fe\u5bf9\u9f50\u6765\u770b\u3002\u771f\u6b63\u7684\u6d41\u91cf\u9ad8\u5cf0\u4f1a\u8868\u73b0\u4e3a\u4e24\u6761\u66f2\u7ebf\u540c\u6b65\u4e0a\u626c\u3002\u9875\u9762\u6d4f\u89c8\u3001\u6587\u4ef6\u4e0b\u8f7d\u548c API \u8c03\u7528\u90fd\u4f1a\u643a\u5e26\u4e00\u5b9a\u7684\u6570\u636e\u8d1f\u8f7d\uff0c\u56e0\u6b64\u7528\u6237\u8d8a\u591a\uff0c\u4f20\u8f93\u7684\u5b57\u8282\u6570\u4e5f\u8d8a\u591a\u3002\u4f60\u8fd8\u53ef\u4ee5\u5728\u8bbf\u95ee\u65e5\u5fd7\u4e2d\u627e\u5230\u4f50\u8bc1\uff1a\u771f\u5b9e\u9875\u9762\u8bf7\u6c42\u548c\u4e0b\u8f7d\u8bb0\u5f55\u4f1a\u7b26\u5408\u6b63\u5e38\u7528\u6237\u8bbf\u95ee\u8def\u5f84\u3002\u4e0d\u8fc7\u8fd9\u91cc\u6709\u4e00\u4e2a\u9700\u8981\u6ce8\u610f\u7684\u4f8b\u5916\u3002\u56fd\u9645\u94fe\u8def\u6ce2\u52a8\u6709\u65f6\u4f1a\u89e6\u53d1 TCP \u91cd\u4f20\uff0c\u4ece\u800c\u9020\u6210\u201c\u5e26\u5bbd\u770b\u8d77\u6765\u5f88\u6ee1\u201d\u7684\u5047\u8c61\u3002\u6b64\u65f6\u5e26\u5bbd\u56fe\u4f1a\u7a81\u7136\u5347\u9ad8\uff0c\u4f46\u5176\u4e2d\u76f8\u5f53\u4e00\u90e8\u5206\u6d41\u91cf\u5176\u5b9e\u662f\u91cd\u590d\u6570\u636e\uff0c\u800c\u4e0d\u662f\u771f\u5b9e\u8bbf\u95ee\u3002\u5728\u4e0b\u7ed3\u8bba\u4e4b\u524d\uff0c\u5e94\u5148\u5c06\u6765\u6e90\u5730\u533a\u4e0e\u5e73\u65f6\u7684\u7528\u6237\u5206\u5e03\u505a\u5bf9\u6bd4\u3002<\/p>\n<p>\u6b63\u5e38\u4e1a\u52a1\u9ad8\u5cf0\u548c\u653b\u51fb\u5728\u4e00\u5f00\u59cb\u770b\u8d77\u6765\u53ef\u80fd\u975e\u5e38\u76f8\u4f3c\u3002\u8425\u9500\u6d3b\u52a8\u3001\u6d88\u606f\u63a8\u9001\u6216\u5185\u5bb9\u75c5\u6bd2\u5f0f\u4f20\u64ad\uff0c\u90fd\u53ef\u80fd\u540c\u65f6\u62c9\u9ad8 QPS \u548c CPU\u3002\u6b64\u65f6\u8981\u548c\u4f60\u7684\u5e38\u6001\u57fa\u7ebf\u5bf9\u6bd4\u3002\u68c0\u67e5\u6765\u6e90\u5730\u533a\u662f\u5426\u7b26\u5408\u4f60\u7684\u7528\u6237\u5206\u5e03\uff0c\u8bbf\u95ee\u8def\u5f84\u662f\u5426\u50cf\u771f\u5b9e\u7528\u6237\u90a3\u6837\u2014\u2014\u5148\u6253\u5f00\u9875\u9762\uff0c\u518d\u8bf7\u6c42\u9759\u6001\u8d44\u6e90\u548c API\u2014\u2014\u800c\u4e0d\u662f\u53cd\u590d\u53ea\u547d\u4e2d\u540c\u4e00\u4e2a\u63a5\u53e3\u3002<\/p>\n<h3>\u5f53\u53ea\u6709 QPS \u5355\u72ec\u98d9\u5347\u65f6<\/h3>\n<p>\u4f60\u6700\u9700\u8981\u6355\u6349\u7684\uff0c\u5c31\u662f\u8fd9\u79cd\u201c\u6307\u6807\u80cc\u79bb\u201d\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u7ed3\u5408\u56fe\u8868\u4e00\u8d77\u5206\u6790\u65f6\uff0c\u4e24\u7c7b\u653b\u51fb\u662f\u5982\u4f55\u533a\u5206\u7684\u3002<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n    <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6307\u6807<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u7f51\u7edc\u5c42 DDoS<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>CC \u653b\u51fb\uff08L7 HTTP Flood\uff09<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5e26\u5bbd\uff08bps\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6025\u5267\u4e0a\u5347\uff0c\u901a\u5e38\u53ef\u8fbe Gbps \u7ea7\u522b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53d8\u5316\u4e0d\u5927\uff0c\u901a\u5e38\u4ec5\u4e3a\u51e0 Mbps \u5230\u51e0\u767e Mbps<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5305\u91cf\uff08pps\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6025\u5267\u4e0a\u5347<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e0d\u662f\u4e3b\u8981\u5224\u65ad\u6307\u6807<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7b2c 7 \u5c42 QPS<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53ef\u80fd\u53d8\u5316\u4e0d\u660e\u663e\uff0c\u751a\u81f3\u4e0b\u964d<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5f02\u5e38\u98d9\u5347<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5e76\u53d1\u8fde\u63a5\u6570 \/ \u6bcf\u79d2\u65b0 HTTP \u8bf7\u6c42\u6570<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e0d\u662f\u4e3b\u8981\u5224\u65ad\u6307\u6807<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5f02\u5e38\u98d9\u5347<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>SSH \u767b\u5f55<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u901a\u5e38\u4f1a\u5931\u8d25\u6216\u660e\u663e\u5361\u987f<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e00\u822c\u4ecd\u53ef\u6b63\u5e38\u767b\u5f55<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8bbf\u95ee\u65e5\u5fd7<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8f83\u4e3a\u5b89\u9759<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u77ed\u65f6\u95f4\u5185\u66b4\u589e<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5bf9\u4e8e CC \u653b\u51fb\uff0c\u603b\u5e26\u5bbd\u901a\u5e38\u76f8\u5bf9\u5e73\u7a33\uff0c\u4f46\u7b2c 7 \u5c42 QPS\u3001\u5e76\u53d1\u8fde\u63a5\u6570\u548c\u6bcf\u79d2\u65b0 HTTP \u8bf7\u6c42\u6570\u4f1a\u5f02\u5e38\u5347\u9ad8\u3002\u5bf9\u4e8e\u7f51\u7edc\u5c42\u6d2a\u6cdb\uff0c\u5e26\u5bbd\u548c\u6bcf\u79d2\u5305\u6570\u4f1a\u6025\u5267\u4e0a\u5347\uff0c\u800c\u7b2c 7 \u5c42 QPS \u5219\u53ef\u80fd\u4fdd\u6301\u5e73\u7a33\uff0c\u751a\u81f3\u56e0\u4e3a\u63e1\u624b\u5931\u8d25\u800c\u4e0b\u964d\u3002\u8fd9\u79cd\u5bf9\u6bd4\uff0c\u662f\u4f60\u6700\u5feb\u901f\u7684\u7b2c\u4e00\u6b65\u5224\u65ad\u3002\u5148\u95ee\u81ea\u5df1\uff1a\u7a76\u7adf\u662f\u5e26\u5bbd\u548c\u5305\u91cf\u4e00\u8d77\u98d9\u5347\u4e86\uff0c\u8fd8\u662f\u53ea\u6709\u8bf7\u6c42\u901f\u7387\u5355\u72ec\u4e0a\u53bb\u4e86\uff1f<\/p>\n<p>\u4ee5\u4e0b\u4e09\u4e2a\u8f85\u52a9\u4fe1\u53f7\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u786e\u8ba4\u7b2c\u4e8c\u79cd\u60c5\u51b5\uff1a<\/p>\n<ul>\n<li>\n<p>CPU \u957f\u65f6\u95f4\u6253\u6ee1\uff0c\u800c\u5e26\u5bbd\u5e76\u4e0d\u7a81\u51fa<\/p>\n<\/li>\n<li>\n<p>\u8bf7\u6c42\u96c6\u4e2d\u5728\u5c11\u6570\u51e0\u4e2a\u9ad8\u6d88\u8017 URL \u4e0a<\/p>\n<\/li>\n<li>\n<p>\u8bbf\u95ee\u65e5\u5fd7\u4e2d\uff0c\u540c\u4e00\u6279 IP \u4ee5\u9ad8\u5ea6\u89c4\u5f8b\u7684\u65f6\u95f4\u95f4\u9694\u53cd\u590d\u8bf7\u6c42<\/p>\n<\/li>\n<\/ul>\n<p>\u5f53\u8fd9\u4e9b\u73b0\u8c61\u4e0e QPS \u98d9\u5347\u3001\u5e26\u5bbd\u5e73\u7a33\u540c\u65f6\u51fa\u73b0\u65f6\uff0c\u5c31\u5e94\u5148\u5c06\u5176\u89c6\u4e3a\u6076\u610f\u6d41\u91cf\uff0c\u9664\u975e\u540e\u7eed\u8bc1\u636e\u80fd\u591f\u8bc1\u660e\u5e76\u975e\u5982\u6b64\u3002\u8fd9\u4e5f\u662f\u5224\u65ad\u670d\u52a1\u5668\u662f\u5426\u906d\u53d7 CC \u653b\u51fb\u3001\u907f\u514d\u62cd\u8111\u888b\u731c\u6d4b\u7684\u5173\u952e\u65b9\u6cd5\u3002<\/p>\n<h2>\u4f60\u7684\u7f51\u7ad9\u906d\u53d7\u7684\u662f DDoS \u8fd8\u662f CC \u653b\u51fb\uff1f<\/h2>\n<p>\u5230\u8fd9\u91cc\uff0c\u4f60\u5df2\u7ecf\u77e5\u9053\u7b2c\u4e00\u4e2a\u5206\u754c\u70b9\uff1a\u5e26\u5bbd\u548c QPS \u540c\u65f6\u4e0a\u5347\uff0c\u591a\u534a\u662f\u771f\u5b9e\u6d41\u91cf\u9ad8\u5cf0\uff1b\u53ea\u6709 QPS \u5355\u72ec\u66b4\u6da8\uff0c\u5219\u5f80\u5f80\u610f\u5473\u7740\u9ebb\u70e6\u3002\u63a5\u4e0b\u6765\u7684\u95ee\u9898\u662f\uff1a\u8fd9\u7a76\u7adf\u662f\u54ea\u4e00\u79cd\u9ebb\u70e6\uff1f\u7f51\u7edc\u5c42\u6d2a\u6cdb\u548c\u5e94\u7528\u5c42\u6d2a\u6cdb\u4f1a\u7559\u4e0b\u5b8c\u5168\u4e0d\u540c\u7684\u75d5\u8ff9\uff0c\u4e5f\u9700\u8981\u91c7\u53d6\u4e0d\u540c\u7684\u5e94\u5bf9\u65b9\u5f0f\u3002\u5224\u65ad\u4f60\u7684\u7f51\u7ad9\u906d\u9047\u7684\u662f DDoS \u8fd8\u662f CC \u653b\u51fb\uff0c\u5173\u952e\u5c31\u5728\u4e8e\u5148\u786e\u8ba4\u653b\u51fb\u53d1\u751f\u5728\u54ea\u4e00\u5c42\u3002<\/p>\n<h3>\u7f51\u7edc\u5c42\u4e0e\u5e94\u7528\u5c42\u7684\u5178\u578b\u7279\u5f81<\/h3>\n<p>\u7f51\u7edc\u5c42 DDoS \u6700\u660e\u663e\u7684\u4fe1\u53f7\uff0c\u662f\u5e26\u5bbd\u7a81\u7136\u98d9\u5347\u3002\u6d41\u91cf\u578b\u6d2a\u6cdb\u4f1a\u5c06\u6d77\u91cf\u539f\u59cb\u6570\u636e\u5305\u704c\u5411\u4f60\u7684\u94fe\u8def\uff0c\u56e0\u6b64\u6700\u5173\u952e\u7684\u6307\u6807\u662f\u6bcf\u79d2\u5305\u6570\uff08pps\uff09\u3002\u800c\u5e94\u7528\u5c42 CC \u653b\u51fb\u5219\u6070\u6070\u76f8\u53cd\u3002\u5b83\u4f1a\u901a\u8fc7\u9ad8\u9891\u53d1\u9001 HTTP\/HTTPS \u8bf7\u6c42\uff0c\u53bb\u6a21\u62df\u770b\u4f3c\u6b63\u5e38\u7684\u7528\u6237\u884c\u4e3a\uff0c\u76ee\u6807\u901a\u5e38\u662f\u767b\u5f55\u9875\u3001\u641c\u7d22\u9875\u3001\u63d0\u4ea4\u8868\u5355\u7b49\u52a8\u6001\u9875\u9762\u3002\u6bcf\u4e2a\u8bf7\u6c42\u672c\u8eab\u90fd\u770b\u8d77\u6765\u5408\u6cd5\uff0c\u4f46\u76ee\u7684\u5728\u4e8e\u8017\u5c3d\u670d\u52a1\u5668 CPU\u3001\u6570\u636e\u5e93\u8fde\u63a5\u548c\u5176\u4ed6\u8ba1\u7b97\u8d44\u6e90\uff0c\u6700\u7ec8\u8ba9\u670d\u52a1\u505c\u6b62\u54cd\u5e94\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6700\u91cd\u8981\u7684\u6307\u6807\u5c31\u662f\u6bcf\u79d2\u8bf7\u6c42\u6570\u3002<\/p>\n<div 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\">\n    <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u653b\u51fb\u5c42\u7ea7<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6838\u5fc3\u6d41\u91cf\u8861\u91cf\u6307\u6807<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7f51\u7edc\u5c42 DDoS<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6bcf\u79d2\u5305\u6570\uff08pps\uff09<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5e94\u7528\u5c42\u653b\u51fb<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6bcf\u79d2\u8bf7\u6c42\u6570\uff08rps\uff09<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u4e0d\u8fc7\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u5e94\u7528\u5c42\u653b\u51fb\u90fd\u4f1a\u8868\u73b0\u4e3a\u201c\u8bf7\u6c42\u98ce\u66b4\u201d\u3002\u50cf Slowloris \u8fd9\u6837\u7684\u6162\u901f\u653b\u51fb\u540c\u6837\u5c5e\u4e8e\u8fd9\u4e00\u5c42\uff0c\u4f46\u5b83\u5e76\u4e0d\u4f1a\u5e26\u6765\u9ad8 QPS\u3002\u5b83\u7684\u7279\u70b9\u662f\u8bf7\u6c42\u957f\u65f6\u95f4\u4fdd\u6301\u672a\u5b8c\u6210\u72b6\u6001\uff0c\u56e0\u6b64\u65e5\u5fd7\u91cf\u751a\u81f3\u53ef\u80fd\u5e76\u4e0d\u4f1a\u660e\u663e\u589e\u52a0\u3002\u9047\u5230\u8fd9\u79cd\u60c5\u51b5\uff0c\u66f4\u5e94\u5173\u6ce8\u4ee5\u4e0b\u4fe1\u53f7\uff1a<\/p>\n<ul>\n<li>\n<p>ESTABLISHED \u8fde\u63a5\u957f\u65f6\u95f4\u5904\u4e8e\u9971\u548c\u72b6\u6001<\/p>\n<\/li>\n<li>\n<p>Web \u670d\u52a1\u5de5\u4f5c\u8fdb\u7a0b\u8017\u5c3d\uff0c\u800c CPU \u5374\u5e76\u4e0d\u9ad8<\/p>\n<\/li>\n<li>\n<p>\u65e5\u5fd7\u91cf\u770b\u8d77\u6765\u6b63\u5e38\uff0c\u4f46\u7ad9\u70b9\u5df2\u660e\u663e\u53d8\u6162<\/p>\n<\/li>\n<\/ul>\n<h3>\u5411\u6570\u636e\u4e2d\u5fc3\u7d22\u53d6\u6d41\u91cf\u56fe<\/h3>\n<p>\u7f51\u7edc\u5c42\u6216\u4f20\u8f93\u5c42 DDoS \u5f80\u5f80\u6bd4\u8f83\u5bb9\u6613\u786e\u8ba4\u3002\u4f60\u53ef\u4ee5\u76f4\u63a5\u5411\u6570\u636e\u4e2d\u5fc3\u7d22\u53d6\u5bf9\u5e94 IP \u7684\u6d41\u91cf\u56fe\u3002\u5982\u679c\u56fe\u4e0a\u51fa\u73b0\u660e\u663e\u7684\u5165\u7ad9\u6d41\u91cf\u5c16\u5cf0\uff0c\u518d\u4e0e\u4f60\u81ea\u8eab\u76d1\u63a7\u6570\u636e\u8fdb\u884c\u6bd4\u5bf9\uff0c\u901a\u5e38\u5c31\u80fd\u5f88\u5feb\u786e\u8ba4\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u5e94\u7528\u5c42 CC \u653b\u51fb\u66f4\u96be\u51ed\u8fd9\u7c7b\u56fe\u8868\u76f4\u63a5\u5224\u65ad\u3002\u56e0\u4e3a\u5176\u6570\u636e\u5305\u770b\u8d77\u6765\u975e\u5e38\u666e\u901a\uff0c\u6240\u4ee5\u6d41\u91cf\u56fe\u53ef\u80fd\u51e0\u4e4e\u6ca1\u6709\u660e\u663e\u53d8\u5316\u3002\u6b64\u65f6\u4f60\u9700\u8981\u66f4\u6df1\u5165\u5730\u5206\u6790\u8bf7\u6c42\u3001\u8fde\u63a5\u548c\u65e5\u5fd7\uff0c\u624d\u80fd\u505a\u51fa\u51c6\u786e\u5224\u65ad\u3002<\/p>\n<p>\u5f88\u591a\u7ba1\u7406\u5458\u5bb9\u6613\u88ab\u4e00\u4e2a\u9677\u9631\u8bef\u5bfc\uff1a\u653b\u51fb\u6301\u7eed\u65f6\u95f4\u3002CC \u653b\u51fb\u8005\u5e38\u5e38\u7528\u77ed\u65f6\u95f4\u7684\u653b\u51fb\u6d41\u91cf\u53bb\u8017\u5c3d\u8d44\u6e90\uff0c\u6240\u4ee5\u4e00\u6b21\u77ed\u6682\u4e8b\u4ef6\u5e76\u4e0d\u4ee3\u8868\u670d\u52a1\u5668\u5f88\u5feb\u5c31\u4f1a\u6062\u590d\u6b63\u5e38\u3002\u54ea\u6015\u53ea\u662f\u77ed\u77ed\u4e00\u6ce2\u6d41\u91cf\uff0c\u4e5f\u53ef\u80fd\u8ba9\u6570\u636e\u5e93\u8fde\u63a5\u5728\u653b\u51fb\u7ed3\u675f\u540e\u4ecd\u88ab\u8017\u7a7a\u3002\u56e0\u6b64\uff0c\u6301\u7eed\u65f6\u95f4\u53ea\u80fd\u4f5c\u4e3a\u8f83\u5f31\u7684\u53c2\u8003\u4fe1\u53f7\uff0c\u66f4\u5e94\u91cd\u89c6\u653b\u51fb\u5f3a\u5ea6\u548c\u8bf7\u6c42\u6a21\u5f0f\u3002\u5f53\u4f60\u5224\u65ad\u670d\u52a1\u5668\u662f\u5426\u6b63\u5728\u906d\u53d7 CC \u653b\u51fb\u65f6\uff0c\u8bf7\u6c42\u7684\u5f62\u6001\u8fdc\u6bd4\u6301\u7eed\u4e86\u591a\u4e45\u66f4\u91cd\u8981\u3002\u5982\u679c\u4f60\u6000\u7591\u670d\u52a1\u5668\u6b63\u5728\u906d\u53d7\u653b\u51fb\uff0c\u4f46\u6d41\u91cf\u56fe\u5374\u6ca1\u6709\u660e\u663e\u6ce2\u52a8\uff0c\u5c31\u7ee7\u7eed\u68c0\u67e5\u8fde\u63a5\u72b6\u6001\u548c\u8bbf\u95ee\u65e5\u5fd7\uff0c\u540e\u9762\u7684\u7ae0\u8282\u4f1a\u8bf4\u660e\u5982\u4f55\u64cd\u4f5c\u3002\u8fd9\u4e5f\u662f\u5728\u6000\u7591\u906d\u9047 DDoS \u6216 CC \u5f0f\u653b\u51fb\u65f6\uff0c\u907f\u514d\u5728\u9519\u8bef\u5c42\u9762\u6d6a\u8d39\u65f6\u95f4\u7684\u6b63\u786e\u6392\u67e5\u601d\u8def\u3002<\/p>\n<h2>\u68c0\u67e5 TCP \u8fde\u63a5\u72b6\u6001<\/h2>\n<p>\u76d1\u63a7\u56fe\u544a\u8bc9\u4f60\u5e94\u8be5\u5f80\u54ea\u91cc\u770b\uff0c\u8fde\u63a5\u72b6\u6001\u5219\u4f1a\u544a\u8bc9\u4f60\u7cfb\u7edf\u5185\u90e8\u7a76\u7adf\u53d1\u751f\u4e86\u4ec0\u4e48\u3002\u4f60\u53ef\u4ee5\u5728\u4e3b\u673a\u4e0a\u8fd0\u884c <code>netstat -an<\/code> \u6216 <code>ss -s<\/code>\uff0c\u6309\u72b6\u6001\u7edf\u8ba1 socket \u6570\u91cf\u3002\u4e00\u4e2a\u5065\u5eb7\u7684 Web \u670d\u52a1\u5668\uff0c\u4f1a\u5448\u73b0\u4e0e\u6b63\u5e38\u7528\u6237\u8d1f\u8f7d\u76f8\u5339\u914d\u3001\u76f8\u5bf9\u7a33\u5b9a\u7684\u72b6\u6001\u5206\u5e03\u3002<\/p>\n<h3>\u8bc6\u522b\u5f02\u5e38\u7684 SYN_RECV \u4e0e TIME_WAIT<\/h3>\n<p>\u6709\u4e24\u4e2a\u72b6\u6001\u5c24\u5176\u503c\u5f97\u91cd\u70b9\u5173\u6ce8\u3002\u7b2c\u4e00\uff0c\u82e5\u6709\u5927\u91cf\u534a\u5f00\u8fde\u63a5\u957f\u671f\u505c\u7559\u5728 SYN_RECV\uff0c\u8bf4\u660e\u5f88\u591a\u5ba2\u6237\u7aef\u53d1\u8d77\u4e86\u63e1\u624b\uff0c\u5374\u6ca1\u6709\u5b8c\u6210\u540e\u7eed\u8fc7\u7a0b\u3002\u4e92\u8054\u7f51\u4e2d\u5b58\u5728\u5c11\u91cf\u6b64\u7c7b\u566a\u58f0\u662f\u6b63\u5e38\u7684\uff0c\u4f46\u5982\u679c\u8fd9\u4e00\u6570\u91cf\u6301\u7eed\u6500\u5347\u5230\u6570\u767e\u751a\u81f3\u66f4\u9ad8\uff0c\u5e76\u957f\u65f6\u95f4\u4e0d\u4e0b\u964d\uff0c\u5c31\u503c\u5f97\u8b66\u60d5\u3002\u7b2c\u4e8c\uff0cTIME_WAIT \u7684\u542b\u4e49\u4e0d\u540c\u3002\u6bcf\u4e2a\u5173\u95ed\u7684\u8fde\u63a5\u90fd\u4f1a\u5728\u77ed\u65f6\u95f4\u5185\u7559\u4e0b\u4e00\u4e2a TIME_WAIT\uff0c\u6240\u4ee5\u7e41\u5fd9\u7f51\u7ad9\u672c\u6765\u5c31\u4f1a\u6709\u4e00\u4e9b\u3002\u4f46\u5982\u679c\u5b83\u4eec\u6210\u5343\u4e0a\u4e07\u5730\u5806\u79ef\uff0c\u5e76\u4e14\u589e\u957f\u901f\u5ea6\u8fdc\u9ad8\u4e8e\u6e05\u7406\u901f\u5ea6\uff0c\u5c31\u8bf4\u660e\u6709\u5927\u91cf\u77ed\u751f\u547d\u5468\u671f\u8fde\u63a5\u6b63\u5728\u4ee5\u673a\u5668\u901f\u5ea6\u4e0d\u65ad\u5efa\u7acb\u548c\u5173\u95ed\u3002\u8fd9\u79cd\u6a21\u5f0f\u66f4\u50cf\u662f CC \u6d2a\u6cdb\uff0c\u800c\u4e0d\u662f\u4e00\u5927\u7fa4\u771f\u5b9e\u7528\u6237\u5728\u8bbf\u95ee\u3002<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n    <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u72b6\u6001<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6b63\u5e38\u8868\u73b0<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u53ef\u7591\u8868\u73b0<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>SYN_RECV<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6570\u91cf\u8f83\u5c11\uff0c\u4e14\u4f1a\u6ce2\u52a8<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6570\u91cf\u8f83\u5927\u4e14\u6301\u7eed\u5b58\u5728<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>TIME_WAIT<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5b58\u5728\u4f46\u603b\u4f53\u7a33\u5b9a<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5feb\u901f\u4e14\u65e0\u4e0a\u9650\u5730\u589e\u957f<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>ESTABLISHED<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e0e\u6d3b\u8dc3\u7528\u6237\u6570\u5927\u81f4\u540c\u6b65<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u957f\u65f6\u95f4\u5904\u4e8e\u9971\u548c\u72b6\u6001<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u5c06\u8fde\u63a5\u60c5\u51b5\u4e0e\u771f\u5b9e\u7528\u6237\u884c\u4e3a\u5bf9\u6bd4<\/h3>\n<p>\u6570\u5b57\u672c\u8eab\u53ea\u6709\u653e\u5728\u57fa\u7ebf\u4e2d\u624d\u6709\u610f\u4e49\u3002\u5efa\u8bae\u4f60\u8fde\u7eed\u4e00\u5468\u8bb0\u5f55\u670d\u52a1\u5668\u5728\u4f4e\u5cf0\u671f\u548c\u9ad8\u5cf0\u671f\u7684\u8fde\u63a5\u6570\uff0c\u8fd9\u6837\u4f60\u5c31\u77e5\u9053\u4e00\u4e2a\u201c\u6b63\u5e38\u7684\u5468\u4e8c\u9ad8\u5cf0\u201d\u5e94\u8be5\u957f\u4ec0\u4e48\u6837\u3002\u5f53\u524d\u8fde\u63a5\u6570\u5e94\u4e0e\u8fd9\u5957\u57fa\u7ebf\u505a\u6bd4\u8f83\uff0c\u800c\u4e0d\u662f\u548c\u96f6\u76f8\u6bd4\u3002\u771f\u5b9e\u7528\u6237\u7684\u884c\u4e3a\u4e5f\u5177\u6709\u53ef\u8bc6\u522b\u6027\uff1a\u4ed6\u4eec\u4f1a\u5148\u52a0\u8f7d\u9875\u9762\uff0c\u518d\u83b7\u53d6\u9875\u9762\u8d44\u6e90\uff0c\u7136\u540e\u505c\u4e0b\u6765\u9605\u8bfb\u3002\u800c\u653b\u51fb\u6e90\u5219\u4f1a\u4e0d\u505c\u5730\u6572\u6253\u67d0\u4e9b\u63a5\u53e3\uff0c\u51e0\u4e4e\u6ca1\u6709\u505c\u987f\u3002<\/p>\n<p>\u9664\u4e86 socket \u6570\u91cf\uff0c\u8fd8\u8981\u7559\u610f\u5176\u4ed6\u8f85\u52a9\u4fe1\u53f7\u3002Ping \u5ef6\u8fdf\u5347\u9ad8\u3001\u5ba2\u6237\u7aef\u5728\u4f1a\u8bdd\u4e2d\u9014\u9891\u7e41\u6389\u7ebf\u3001\u670d\u52a1\u5668\u4ece\u670d\u52a1\u5668\u5217\u8868\u4e2d\u6d88\u5931\uff0c\u8fd9\u4e9b\u901a\u5e38\u90fd\u8bf4\u660e\u662f\u8d44\u6e90\u8017\u5c3d\uff0c\u800c\u4e0d\u662f\u5355\u7eaf\u201c\u592a\u53d7\u6b22\u8fce\u201d\u3002\u7f51\u7edc\u5c42\u6d2a\u6cdb\u5f80\u5f80\u4e5f\u4f1a\u8fde SSH \u4e00\u8d77\u62d6\u57ae\uff0c\u800c CC \u653b\u51fb\u5219\u5e38\u5e38\u4e0d\u5f71\u54cd\u4f60\u6b63\u5e38\u767b\u5f55\u3002\u628a\u8fd9\u4e9b\u7ebf\u7d22\u89c6\u4e3a\u8f85\u52a9\u786e\u8ba4\uff0c\u800c\u4e0d\u662f\u5355\u72ec\u8bc1\u636e\u3002\u63a5\u4e0b\u6765\u7ee7\u7eed\u770b\u65e5\u5fd7\u3002<\/p>\n<h2>\u901a\u8fc7 Web \u8bbf\u95ee\u65e5\u5fd7\u8bc6\u522b CC \u6a21\u5f0f<\/h2>\n<p>\u5982\u679c\u4ec5\u9760\u56fe\u8868\u548c socket \u72b6\u6001\u4ecd\u96be\u4ee5\u5224\u65ad\uff0c\u5c31\u53bb\u67e5\u770b Web \u8bbf\u95ee\u65e5\u5fd7\u3002\u65e5\u5fd7\u4f1a\u8bb0\u5f55\u6bcf\u4e00\u6b21\u8bf7\u6c42\uff0c\u56e0\u6b64\u5b83\u5f80\u5f80\u6bd4\u6d41\u91cf\u56fe\u66f4\u80fd\u51c6\u786e\u5e2e\u52a9\u4f60\u5224\u65ad\u670d\u52a1\u5668\u662f\u5426\u6b63\u5728\u906d\u53d7 CC \u653b\u51fb\u3002CC \u653b\u51fb\u4f1a\u7559\u4e0b\u6e05\u6670\u53ef\u8bfb\u7684\u75d5\u8ff9\u3002\u5927\u91cf\u8bf7\u6c42\u4f1a\u5728\u77ed\u65f6\u95f4\u5185\u96c6\u4e2d\u6d8c\u5165\uff0c\u800c\u8fd9\u4e9b\u6d41\u91cf\u80cc\u540e\u7684\u6a21\u5f0f\uff0c\u6b63\u662f\u4f60\u5224\u65ad\u95ee\u9898\u6027\u8d28\u7684\u5173\u952e\u3002<\/p>\n<h3>\u91cd\u590d\u8def\u5f84\u4e0e\u5355\u4e00\u6765\u6e90\u8fde\u63a5<\/h3>\n<p>\u771f\u5b9e\u8bbf\u5ba2\u7684\u8bf7\u6c42\u901a\u5e38\u4f1a\u5206\u6563\u5728\u591a\u4e2a\u9875\u9762\u4e0a\u3002\u4ed6\u4eec\u4f1a\u5148\u8bbf\u95ee\u9996\u9875\uff0c\u518d\u6253\u5f00\u6587\u7ae0\uff0c\u540c\u65f6\u8bf7\u6c42\u56fe\u7247\u548c\u811a\u672c\u7b49\u9759\u6001\u8d44\u6e90\u3002\u653b\u51fb\u6d41\u91cf\u5219\u5f80\u5f80\u66f4\u96c6\u4e2d\u3002\u4f60\u4f1a\u770b\u5230\u540c\u4e00\u4e2a URL \u88ab\u9ad8\u9891\u5237\u65b0\uff0c\u4e14\u5e38\u5e38\u4f34\u968f\u7740\u6765\u81ea\u5355\u4e00\u6e90\u5730\u5740\u7684\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u3002\u6700\u660e\u663e\u7684\u7279\u5f81\u662f\uff1a\u67d0\u4e2a\u5ba2\u6237\u7aef\u53cd\u590d\u53ea\u8bf7\u6c42\u540c\u4e00\u4e2a\u63a5\u53e3\uff0c\u6bd4\u5982\u767b\u5f55\u8868\u5355\u6216\u641c\u7d22\u63a5\u53e3\uff0c\u800c\u5b8c\u5168\u5ffd\u7565\u9759\u6001\u8d44\u6e90\u3002\u6b64\u65f6\u4f60\u8981\u95ee\u81ea\u5df1\uff1a\u8bbf\u95ee\u65e5\u5fd7\u4e2d\u662f\u5426\u5728\u6781\u77ed\u65f6\u95f4\u7a97\u53e3\u91cc\uff0c\u5bf9\u540c\u4e00\u8def\u5f84\u51fa\u73b0\u4e86\u5927\u91cf\u8bf7\u6c42\uff1f\u5982\u679c\u67d0\u4e9b\u52a8\u6001\u63a5\u53e3\u88ab\u5e26\u7740\u76f8\u540c\u53c2\u6570\u53cd\u590d\u51b2\u51fb\uff0c\u8fd9\u66f4\u50cf\u662f HTTP\/HTTPS \u6d2a\u6cdb\uff0c\u800c\u4e0d\u662f\u6b63\u5e38\u8bfb\u8005\u8bbf\u95ee\u3002<\/p>\n<h3>\u4f7f\u7528\u65e5\u5fd7\u5de5\u5177\u8fdb\u884c\u68c0\u6d4b\u4e0e\u8c03\u67e5<\/h3>\n<p>\u65e5\u5fd7\u5206\u6790\u5de5\u5177\u53ef\u4ee5\u5728\u65e5\u5fd7\u5199\u5165\u7684\u540c\u65f6\u5b9e\u65f6\u626b\u63cf\uff0c\u5e76\u81ea\u52a8\u6807\u8bb0\u4e0a\u8ff0\u6a21\u5f0f\u3002\u5b83\u4eec\u8fd8\u80fd\u5e2e\u52a9\u4f60\u4fdd\u7559\u8bc1\u636e\uff0c\u8fd9\u5bf9\u4e8e\u4e8b\u540e\u8c03\u67e5\u540c\u6837\u91cd\u8981\u3002\u653b\u51fb\u7a81\u589e\u68c0\u6d4b\u53c8\u591a\u52a0\u4e86\u4e00\u5c42\u9632\u62a4\uff1a\u5b83\u4f1a\u76d1\u6d4b\u5b89\u5168\u5f15\u64ce\u7684\u544a\u8b66\u901f\u7387\uff0c\u4e00\u65e6\u6d3b\u52a8\u504f\u79bb\u6b63\u5e38\u8303\u56f4\uff0c\u5c31\u53d1\u51fa\u9884\u8b66\u3002\u501f\u52a9\u8fd9\u4e9b\u5de5\u5177\uff0c\u4f60\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u533a\u5206\u5e94\u7528\u5c42\u653b\u51fb\u4e0e\u7f51\u7edc\u5c42\u653b\u51fb\u3002\u7b2c 7 \u5c42\u6d2a\u6cdb\u4f1a\u63a8\u9ad8\u8bf7\u6c42\u6570\uff0c\u4f46\u5305\u91cf\u4ecd\u76f8\u5bf9\u5e73\u7a33\uff0c\u8868\u73b0\u4e3a\u7b2c 7 \u5c42 QPS \u4e0a\u5347\u5374\u6ca1\u6709\u76f8\u5e94\u7684\u5e26\u5bbd\u589e\u957f\uff1b\u800c\u8f83\u4f4e\u5c42\u7684 DDoS \u5219\u6b63\u597d\u76f8\u53cd\u3002\u8fd9\u4e2a\u5bf9\u6bd4\u80fd\u591f\u5e2e\u52a9\u4f60\u786e\u8ba4\u653b\u51fb\u5c42\u7ea7\uff0c\u5e76\u6307\u5bfc\u540e\u7eed\u54cd\u5e94\u3002<\/p>\n<h2>\u907f\u514d\u8bef\u5224\uff0c\u5e76\u91c7\u53d6\u6b63\u786e\u54cd\u5e94<\/h2>\n<h3>\u5148\u6392\u9664\u5e38\u89c1\u8bef\u62a5\u60c5\u51b5<\/h3>\n<p>\u4fc3\u9500\u6d3b\u52a8\u3001\u90ae\u4ef6\u7fa4\u53d1\u6216\u67d0\u7bc7\u5185\u5bb9\u7a81\u7136\u7206\u7ea2\uff0c\u90fd\u53ef\u80fd\u5236\u9020\u51fa\u770b\u4f3c\u201c\u6076\u610f\u201d\u7684\u6d41\u91cf\u9ad8\u5cf0\u3002\u5728\u5c01\u7981\u4efb\u4f55\u6765\u6e90\u4e4b\u524d\uff0c\u52a1\u5fc5\u5148\u6392\u9664\u8fd9\u4e9b\u60c5\u51b5\u3002\u5148\u68c0\u67e5\u4f60\u7684\u8425\u9500\u6d3b\u52a8\u65e5\u5386\u548c\u793e\u4ea4\u5e73\u53f0\u4f20\u64ad\u60c5\u51b5\uff0c\u518d\u5bf9\u6bd4\u6765\u6e90\u5730\u533a\u662f\u5426\u7b26\u5408\u5e73\u65f6\u7684\u53d7\u4f17\u5206\u5e03\u3002\u771f\u5b9e\u7528\u6237\u901a\u5e38\u6765\u81ea\u4f60\u539f\u672c\u670d\u52a1\u7684\u533a\u57df\uff0c\u800c\u4e14\u4ed6\u4eec\u4f1a\u5148\u6253\u5f00\u9875\u9762\uff0c\u518d\u8bf7\u6c42\u5176\u4e2d\u7684\u8d44\u6e90\u3002\u722c\u866b\u5927\u89c4\u6a21\u6293\u53d6\u6216\u76d1\u63a7\u673a\u5668\u4eba\u4e5f\u53ef\u80fd\u62ac\u9ad8\u8bf7\u6c42\u6570\u3002\u6b64\u65f6\u53ef\u4ee5\u67e5\u770b\u5b83\u4eec\u662f\u5426\u58f0\u660e\u4e86 User-Agent\uff0c\u4ee5\u53ca\u8bf7\u6c42\u9891\u7387\u662f\u5426\u8db3\u591f\u514b\u5236\u3002\u6700\u540e\uff0c\u8fd8\u8981\u786e\u8ba4\u8fd9\u6b21\u6d41\u91cf\u5cf0\u503c\u4e0d\u662f\u7531\u4e0d\u7a33\u5b9a\u7684\u56fd\u9645\u94fe\u8def\u5bfc\u81f4\u7684\u91cd\u4f20\u566a\u58f0\u3002\u91cd\u590d\u6570\u636e\u5305\u4f1a\u62ac\u9ad8\u6d41\u91cf\u56fe\uff0c\u4f46\u5e76\u4e0d\u4f1a\u5e26\u6765\u771f\u5b9e\u7528\u6237\u3002<\/p>\n<h3>\u9488\u5bf9\u4e0d\u540c\u573a\u666f\u5206\u522b\u5e94\u5bf9<\/h3>\n<p>\u5982\u679c\u662f\u771f\u5b9e\u6d41\u91cf\u6fc0\u589e\uff0c\u5e94\u4f18\u5148\u6269\u5bb9\u5e76\u5f3a\u5316\u7f13\u5b58\u3002\u6a2a\u5411\u589e\u52a0 Web worker\uff0c\u63d0\u5347\u6570\u636e\u5e93\u8fde\u63a5\u4e0a\u9650\uff0c\u5e76\u901a\u8fc7 CDN \u5206\u53d1\u9759\u6001\u8d44\u6e90\u3002\u5982\u679c\u4e1a\u52a1\u5141\u8bb8\uff0c\u8fd8\u53ef\u4ee5\u7f13\u5b58\u5df2\u6e32\u67d3\u9875\u9762\u3002\u8fd9\u4e9b\u63aa\u65bd\u80fd\u591f\u5728\u4e0d\u5f71\u54cd\u771f\u5b9e\u7528\u6237\u7684\u524d\u63d0\u4e0b\u6709\u6548\u5438\u6536\u6d41\u91cf\u3002<\/p>\n<p>\u5982\u679c\u662f CC \u653b\u51fb\uff0c\u5219\u9700\u8981\u5206\u5c42\u5904\u7406\u3002\u5148\u6309\u6765\u6e90\u548c\u63a5\u53e3\u5b9e\u65bd\u901f\u7387\u9650\u5236\uff1b\u518d\u5bf9\u53ef\u7591\u5ba2\u6237\u7aef\u52a0\u5165 JavaScript \u6821\u9a8c\u6216\u9a8c\u8bc1\u7801\u6311\u6218\u3002\u968f\u540e\u68c0\u67e5\u670d\u52a1\u5668\u65e5\u5fd7\u4e2d\u662f\u5426\u5b58\u5728\u6076\u610f\u811a\u672c\u6216\u5df2\u77e5\u6f0f\u6d1e\u5229\u7528\uff0c\u56e0\u4e3a\u4e00\u53f0\u88ab\u653b\u9677\u7684\u4e3b\u673a\u4e5f\u53ef\u80fd\u6b63\u5728\u53c2\u4e0e\u6d2a\u6cdb\u3002\u5982\u679c\u4f60\u6000\u7591\u906d\u53d7\u7684\u662f\u7f51\u7edc\u5c42\u653b\u51fb\uff0c\u5219\u5e94\u7acb\u5373\u8054\u7cfb\u670d\u52a1\u63d0\u4f9b\u5546\u505a\u4e0a\u6e38\u6e05\u6d17\u3002\u8fd9\u4e2a\u5c42\u9762\u7684 DDoS\uff0c\u901a\u5e38\u4e0d\u662f\u9760\u4e3b\u673a\u672c\u5730\u8c03\u4f18\u5c31\u80fd\u89e3\u51b3\u7684\u3002\u8981\u5b66\u4f1a\u6839\u636e\u5404\u81ea\u7684\u8bc1\u636e\u6765\u8c03\u67e5\u4e0d\u540c\u7c7b\u578b\u4e8b\u4ef6\uff1a\u5e94\u7528\u5c42\u6d2a\u6cdb\u4f1a\u4f53\u73b0\u5728\u8bf7\u6c42\u65e5\u5fd7\u4e2d\uff0c\u800c\u7b2c 7 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