\u7db2\u8def\u8a3a\u65b7\u547d\u4ee4<\/h3>\n

\u7db2\u8def\u8a3a\u65b7\u7684\u57fa\u672c\u547d\u4ee4\u5217\u5de5\u5177\u5305\u62ec\uff1a<\/p>\n

\r\nmtr -r target_ip    # \u7528\u65bc\u8def\u7531\u5206\u6790\r\ntcpdump -i any      # \u7528\u65bc\u8cc7\u6599\u5305\u64f7\u53d6\r\niftop -P            # \u7528\u65bc\u983b\u5bec\u76e3\u63a7\r\n<\/pre>\n
DDoS\u6d2a\u6c34\u653b\u64ca\u7684\u95dc\u9375\u6307\u6a19<\/strong><\/h2>\n
\u5728\u6aa2\u67e5\u6f5b\u5728\u7684DDoS\u653b\u64ca\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u660e\u986f\u6a19\u8a8c\uff1a<\/p>\n
\n
\u983b\u5bec\u98fd\u548c\n
\n
\u6301\u7e8c\u9ad8\u983b\u5bec\u4f7f\u7528<\/li>\n
\u7d71\u4e00\u7684\u8cc7\u6599\u5305\u5927\u5c0f<\/li>\n
\u4e00\u81f4\u7684\u6d41\u91cf\u6a21\u5f0f<\/li>\n<\/ul>\n<\/li>\n
\u4f3a\u670d\u5668\u56de\u61c9\n
\n
\u9632\u706b\u7246CPU\u4f7f\u7528\u7387\u9ad8<\/li>\n
\u7db2\u8def\u4ecb\u9762\u98fd\u548c<\/li>\n
\u9023\u63a5\u8868\u6ea2\u51fa<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u7db2\u8def\u64c1\u585e\u5206\u6790<\/strong><\/h2>\n
\u65e5\u672c\u7db2\u8def\u57fa\u790e\u8a2d\u65bd\u5728\u64c1\u585e\u5206\u6790\u65b9\u9762\u63d0\u51fa\u4e86\u7368\u7279\u7684\u6311\u6230\u3002\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u56e0\u7d20\uff1a<\/p>\n
\n
\u9ad8\u5cf0\u6642\u6bb5\u5f71\u97ff\n
\n
\u5de5\u4f5c\u6642\u9593\u6d41\u91cf\u6a21\u5f0f<\/li>\n
\u570b\u969b\u8def\u7531\u5f71\u97ff<\/li>\n
\u8de8\u5883\u983b\u5bec\u9650\u5236<\/li>\n<\/ul>\n<\/li>\n
\u57fa\u790e\u8a2d\u65bd\u9650\u5236\n
\n
\u6d77\u5e95\u96fb\u7e9c\u5bb9\u91cf<\/li>\n
\u5340\u57df\u5c0d\u7b49\u9ede<\/li>\n
\u6700\u5f8c\u4e00\u516c\u91cc\u64c1\u585e<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
\u7de9\u89e3\u7b56\u7565<\/strong><\/h2>\n
\u5be6\u65bd\u6709\u6548\u7684\u5c0d\u7b56\u9700\u8981\u57fa\u65bc\u6e96\u78ba\u8a3a\u65b7\u7684\u591a\u5c64\u6b21\u65b9\u6cd5\uff1a<\/p>\n
DDoS\u9632\u8b77\u63aa\u65bd<\/h3>\n
\n
\u6d41\u91cf\u6e05\u6d17\n
\n
BGP\u9ed1\u6d1e\u8def\u7531<\/li>\n
\u4efb\u64ad\u7db2\u8def\u5206\u5e03<\/li>\n
\u7b2c7\u5c64\u904e\u6ffe\u6a5f\u5236<\/li>\n<\/ul>\n<\/li>\n
\u786c\u9ad4\u89e3\u6c7a\u65b9\u6848\n
\n
\u5c08\u7528DDoS\u7de9\u89e3\u8a2d\u5099<\/li>\n
\u667a\u6167\u7db2\u5361\u5be6\u65bd<\/li>\n
\u8ca0\u8f09\u5e73\u8861\u5668\u914d\u7f6e<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u64c1\u585e\u7ba1\u7406<\/h3>\n
\n
\u57fa\u790e\u8a2d\u65bd\u6700\u4f73\u5316\n
\n
\u591a\u8def\u7531\u914d\u7f6e<\/li>\n
CDN\u5be6\u65bd<\/li>\n
\u6d41\u91cf\u6574\u5f62\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n
\u8def\u7531\u6700\u4f73\u5316\n
\n
BGP\u8def\u5f91\u9078\u64c7<\/li>\n
\u5730\u7406DNS\u8def\u7531<\/li>\n
\u4efb\u64ad\u90e8\u7f72<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
\u5be6\u52d9\u5be6\u65bd\u6307\u5357<\/strong><\/h2>\n
\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6e96\u78ba\u8a3a\u65b7\uff1a<\/p>\n
\n
\u521d\u6b65\u8a55\u4f30\n
\r\nnetstat -s | grep -i \"syn\"    # \u6aa2\u67e5SYN\u6d2a\u6c34\u6307\u6a19\r\niptables -L -n -v            # \u5206\u6790\u9632\u706b\u7246\u547d\u4e2d\r\ndmesg | tail -n 50           # \u67e5\u770b\u6838\u5fc3\u8a0a\u606f<\/pre>\n<\/li>\n
\u6df1\u5ea6\u5206\u6790\n
\n
\u5be9\u67e5NetFlow\u8cc7\u6599\u6a21\u5f0f<\/li>\n
\u5206\u6790\u5730\u7406\u5206\u5e03<\/li>\n
\u6aa2\u67e5\u8cc7\u6599\u5305\u7279\u5fb5<\/li>\n<\/ul>\n<\/li>\n
\u5be6\u65bd\n
\n
\u90e8\u7f72\u9069\u7576\u7684\u5c0d\u7b56<\/li>\n
\u76e3\u63a7\u6709\u6548\u6027<\/li>\n
\u6839\u64da\u9700\u8981\u8abf\u6574\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
\u7d50\u8ad6<\/strong><\/h2>\n
\u5728\u65e5\u672c\u4f3a\u670d\u5668\u74b0\u5883\u4e2d\u6210\u529f\u5340\u5206DDoS\u6d2a\u6c34\u653b\u64ca\u548c\u7db2\u8def\u64c1\u585e\u9700\u8981\u7d50\u5408\u6280\u8853\u5c08\u696d\u77e5\u8b58\u3001\u9069\u7576\u7684\u5de5\u5177\u548c\u7cfb\u7d71\u5206\u6790\u3002\u900f\u904e\u9075\u5faa\u9019\u4e9b\u6307\u5357\u4e26\u4fdd\u6301\u5c0d\u76e3\u63a7\u548c\u56de\u61c9\u7684\u8b66\u60d5\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u4fdd\u8b77\u5176\u57fa\u790e\u8a2d\u65bd\uff0c\u540c\u6642\u78ba\u4fdd\u6700\u4f73\u6548\u80fd\u3002<\/p>\n
\u70ba\u6301\u7e8c\u9632\u8b77DDoS\u6d2a\u6c34\u653b\u64ca\u548c\u7db2\u8def\u64c1\u585e\uff0c\u8acb\u8003\u616e\u5be6\u65bd\u5168\u9762\u7684\u76e3\u63a7\u7cfb\u7d71\uff0c\u4e26\u8207DDoS\u7de9\u89e3\u670d\u52d9\u63d0\u4f9b\u5546\u4fdd\u6301\u806f\u7e6b\u3002\u5b9a\u671f\u6e2c\u8a66\u548c\u66f4\u65b0\u5b89\u5168\u5354\u5b9a\u5c07\u6709\u52a9\u65bc\u78ba\u4fdd\u5728\u65e5\u672c\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u6301\u7e8c\u6709\u6548\u5730\u61c9\u5c0d\u4e0d\u65b7\u6f14\u8b8a\u7684\u5a01\u8105\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u65e5\u672c\u4f3a\u670d\u5668\u71df\u904b\u9818\u57df\uff0c\u5340\u5206DDoS\u6d2a\u6c34\u653b\u64ca\u548c\u7db2\u8def\u64c1\u585e\u5c0d\u65bc\u7dad\u6301\u6700\u4f73\u670d\u52d9\u6548\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u4e86\u8b58\u5225\u9019\u4e9b\u554f\u984c […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":28636,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8116],"tags":[9377,9378,8286,7865,2366],"class_list":["post-28639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-japan-dedicated-server-tc","tag-bandwidth-attack","tag-ddos-floods","tag-japan-servers-tc","tag-network-congestion-tc","tag-traffic-analysis-tc"],"acf":[],"yoast_head":"\n