{"id":16878,"date":"2023-05-12T17:33:07","date_gmt":"2023-05-12T09:33:07","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=16878"},"modified":"2023-05-12T17:33:10","modified_gmt":"2023-05-12T09:33:10","slug":"%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%a2%abddos%e6%80%8e%e4%b9%88%e5%8a%9e%e5%a6%82%e4%bd%95%e8%af%86%e5%88%ab%e5%92%8c%e5%ba%94%e5%af%b9ddos%e6%94%bb%e5%87%bb%e7%9a%84%e5%90%84%e7%a7%8d%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/server\/%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%a2%abddos%e6%80%8e%e4%b9%88%e5%8a%9e%e5%a6%82%e4%bd%95%e8%af%86%e5%88%ab%e5%92%8c%e5%ba%94%e5%af%b9ddos%e6%94%bb%e5%87%bb%e7%9a%84%e5%90%84%e7%a7%8d%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"\u670d\u52a1\u5668\u88abDDoS\u600e\u4e48\u529e?\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\u7684\u5404\u79cd\u7c7b\u578b?"},"content":{"rendered":"\n

\u3000\u3000\u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u7f51\u7edc\u5b89\u5168\u95ee\u9898\u4e5f\u65e5\u76ca\u51f8\u663e\u3002\u5176\u4e2d\uff0c\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1(DDoS)\u653b\u51fb\u662f\u4e00\u79cd\u5e38\u89c1\u4e14\u5177\u6709\u7834\u574f\u6027\u7684\u7f51\u7edc\u653b\u51fb\u65b9\u5f0f\u3002DDoS\u653b\u51fb\u901a\u8fc7\u540c\u65f6\u5411\u76ee\u6807\u670d\u52a1\u5668\u53d1\u9001\u5927\u91cf\u7684\u8bf7\u6c42\uff0c\u4ee5\u6d88\u8017\u5176\u5e26\u5bbd\u3001\u5904\u7406\u80fd\u529b\u6216\u8d44\u6e90\uff0c\u4f7f\u5176\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\u3002\u9762\u5bf9DDoS\u653b\u51fb\uff0c\u670d\u52a1\u5668\u7ba1\u7406\u5458\u9700\u8981\u8fc5\u901f\u8bc6\u522b\u548c\u5e94\u5bf9\uff0c\u4ee5\u4fdd\u969c\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002\u672c\u6587\u5c06\u4ecb\u7ecdDDoS\u653b\u51fb\u7684\u5e38\u89c1\u7c7b\u578b\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684DDoS\u670d\u52a1\u5668<\/a><\/strong>\u7b56\u7565\u3002<\/p>\n\n\n\n

\u3000\u3000\u9996\u5148\uff0c\u6211\u4eec\u6765\u4e86\u89e3\u51e0\u79cd\u5e38\u89c1\u7684DDoS\u653b\u51fb\u7c7b\u578b\u3002<\/p>\n\n\n\n

\u3000\u3000SYN\u6d2a\u6c34\u653b\u51fb(SYN Flood Attack)\uff1a\u653b\u51fb\u8005\u901a\u8fc7\u4f2a\u9020\u5927\u91cf\u7684TCP\u8fde\u63a5\u8bf7\u6c42(SYN\u5305)\uff0c\u4f46\u4e0d\u5b8c\u6210\u63e1\u624b\u8fc7\u7a0b\uff0c\u4ece\u800c\u8017\u5c3d\u670d\u52a1\u5668\u8d44\u6e90\uff0c\u5bfc\u81f4\u65e0\u6cd5\u5904\u7406\u5408\u6cd5\u8bf7\u6c42\u3002\u8bc6\u522b\u548c\u5e94\u5bf9SYN\u6d2a\u6c34\u653b\u51fb\u7684\u65b9\u6cd5\u5305\u62ec\u5b9e\u65bdSYN cookies\u3001\u589e\u52a0\u9632\u706b\u5899\u89c4\u5219\u548c\u4f7f\u7528\u6d41\u91cf\u5206\u6790\u5de5\u5177\u7b49\u3002<\/p>\n\n\n

\n
\"\u670d\u52a1\u5668\u88abDDoS\u600e\u4e48\u529e?\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\u7684\u5404\u79cd\u7c7b\u578b?\"<\/figure><\/div>\n\n\n

\u3000\u3000UDP\u6d2a\u6c34\u653b\u51fb(UDP Flood Attack)\uff1a\u653b\u51fb\u8005\u5411\u76ee\u6807\u670d\u52a1\u5668\u53d1\u9001\u5927\u91cf\u7684UDP\u6570\u636e\u5305\uff0c\u5360\u7528\u670d\u52a1\u5668\u7684\u5904\u7406\u80fd\u529b\u548c\u5e26\u5bbd\u8d44\u6e90\u3002\u9632\u5fa1UDP\u6d2a\u6c34\u653b\u51fb\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u9632\u706b\u5899\u8fdb\u884c\u8fc7\u6ee4\u3001\u9650\u5236UDP\u6d41\u91cf\u7684\u901f\u7387\u3001\u4f7f\u7528\u53cd\u5c04\u653e\u5927\u653b\u51fb\u7684\u68c0\u6d4b\u548c\u963b\u65ad\u6280\u672f\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000HTTP\u6d2a\u6c34\u653b\u51fb(HTTP Flood Attack)\uff1a\u653b\u51fb\u8005\u53d1\u9001\u5927\u91cf\u7684HTTP\u8bf7\u6c42\u5230\u76ee\u6807\u670d\u52a1\u5668\uff0c\u8017\u5c3d\u5176\u7f51\u7edc\u5e26\u5bbd\u548c\u670d\u52a1\u5668\u8d44\u6e90\u3002\u8bc6\u522b\u548c\u5e94\u5bf9HTTP\u6d2a\u6c34\u653b\u51fb\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u8d1f\u8f7d\u5747\u8861\u5668\u3001\u4f7f\u7528Web\u5e94\u7528\u9632\u706b\u5899(WAF)\u8fdb\u884c\u6d41\u91cf\u8fc7\u6ee4\u548c\u4f7f\u7528\u6d41\u91cf\u5206\u6790\u5de5\u5177\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000DNS\u653e\u5927\u653b\u51fb(DNS Amplification Attack)\uff1a\u653b\u51fb\u8005\u5229\u7528\u5b58\u5728\u653e\u5927\u6548\u5e94\u7684DNS\u670d\u52a1\u5668\uff0c\u5411\u76ee\u6807\u670d\u52a1\u5668\u53d1\u9001\u5c0f\u578b\u7684DNS\u67e5\u8be2\u8bf7\u6c42\uff0c\u4f46\u5c06\u54cd\u5e94\u91cd\u5b9a\u5411\u5230\u53d7\u5bb3\u8005\u670d\u52a1\u5668\uff0c\u4ece\u800c\u5bfc\u81f4\u670d\u52a1\u5668\u5e26\u5bbd\u88ab\u6d88\u8017\u3002\u9632\u5fa1DNS\u653e\u5927\u653b\u51fb\u7684\u65b9\u6cd5\u5305\u62ec\u7981\u7528DNS\u670d\u52a1\u5668\u7684\u9012\u5f52\u67e5\u8be2\u529f\u80fd\u3001\u9650\u5236DNS\u54cd\u5e94\u7684\u5927\u5c0f\u548c\u4f7f\u7528\u53cd\u5c04\u653e\u5927\u653b\u51fb\u7684\u68c0\u6d4b\u548c\u963b\u65ad\u6280\u672f\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000\u9488\u5bf9\u4ee5\u4e0a\u7684DDoS\u653b\u51fb\u7c7b\u578b\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9632\u5fa1\u7b56\u7565\uff1a<\/p>\n\n\n\n

\u3000\u3000\u589e\u52a0\u5e26\u5bbd\u548c\u6269\u5c55\u670d\u52a1\u5668\u5bb9\u91cf\uff1a\u901a\u8fc7\u589e\u52a0\u7f51\u7edc\u5e26\u5bbd\u548c\u6269\u5c55\u670d\u52a1\u5668\u5bb9\u91cf\uff0c\u53ef\u4ee5\u589e\u52a0\u7cfb\u7edf\u7684\u6297\u51fbDDoS\u653b\u51fb\u7684\u80fd\u529b\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4e0e\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u5408\u4f5c\uff0c\u5c06\u670d\u52a1\u5668\u90e8\u7f72\u5728\u5206\u5e03\u5f0f\u6570\u636e\u4e2d\u5fc3\u4e2d\uff0c\u5229\u7528\u8d1f\u8f7d\u5747\u8861\u6280\u672f\u5c06\u6d41\u91cf\u5206\u6563\u5230\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\uff0c\u4ece\u800c\u589e\u52a0\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u548c\u6297\u51fbDDoS\u653b\u51fb\u7684\u80fd\u529b\u3002Hostease\u9ad8\u9632\u670d\u52a1\u5668\u7684\u72ec\u7279\u4e4b\u5904\u5728\u4e8e\u5176\u51fa\u8272\u7684\u9632\u5fa1\u80fd\u529b\u3002\u65e0\u8bba\u662f\u4f20\u7edf\u7684SYN\u6d2a\u6c34\u653b\u51fb\u3001UDP\u6d2a\u6c34\u653b\u51fb\uff0c\u8fd8\u662f\u590d\u6742\u7684HTTP\u6d2a\u6c34\u653b\u51fb\u548cDNS\u653e\u5927\u653b\u51fb\uff0cHostease\u9ad8\u9632\u670d\u52a1\u5668\u90fd\u80fd\u8f7b\u677e\u5e94\u5bf9\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f7f\u7528\u9632\u706b\u5899\u548c\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf(IDS)\uff1a\u914d\u7f6e\u9632\u706b\u5899\u6765\u9650\u5236\u6d41\u91cf\uff0c\u9632\u6b62\u6076\u610f\u8bf7\u6c42\u8fdb\u5165\u670d\u52a1\u5668\u3002\u540c\u65f6\uff0c\u90e8\u7f72IDS\u7cfb\u7edf\u53ef\u4ee5\u5b9e\u65f6\u76d1\u6d4b\u548c\u8bc6\u522b\u5f02\u5e38\u6d41\u91cf\u6a21\u5f0f\uff0c\u5e76\u53ca\u65f6\u91c7\u53d6\u76f8\u5e94\u7684\u963b\u65ad\u63aa\u65bd\uff0c\u4ee5\u51cf\u8f7bDDoS\u653b\u51fb\u5e26\u6765\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n

\u3000\u3000\u542f\u7528\u6d41\u91cf\u5206\u6790\u548c\u6d41\u91cf\u6e05\u6d17\u670d\u52a1\uff1a\u4f7f\u7528\u6d41\u91cf\u5206\u6790\u5de5\u5177\u6765\u76d1\u63a7\u670d\u52a1\u5668\u7684\u6d41\u91cf\u6a21\u5f0f\uff0c\u8bc6\u522b\u5f02\u5e38\u6d41\u91cf\u5e76\u53ca\u65f6\u91c7\u53d6\u63aa\u65bd\u3002\u6b64\u5916\uff0c\u53ef\u4ee5\u4e0e\u6d41\u91cf\u6e05\u6d17\u670d\u52a1\u63d0\u4f9b\u5546\u5408\u4f5c\uff0c\u5c06\u6d41\u91cf\u91cd\u5b9a\u5411\u5230\u5176\u670d\u52a1\u5e73\u53f0\uff0c\u901a\u8fc7\u8fc7\u6ee4\u6076\u610f\u6d41\u91cf\u548c\u4fdd\u7559\u5408\u6cd5\u6d41\u91cf\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b9e\u65bd\u9650\u5236\u7b56\u7565\u548c\u8bbf\u95ee\u63a7\u5236\uff1a\u9650\u5236\u6765\u81ea\u5355\u4e2aIP\u5730\u5740\u7684\u8fde\u63a5\u6570\u548c\u8bf7\u6c42\u9891\u7387\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11DDoS\u653b\u51fb\u7684\u5f71\u54cd\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u8bbf\u95ee\u63a7\u5236\u5217\u8868(ACL)\u548c\u9ed1\u540d\u5355\u673a\u5236\uff0c\u963b\u6b62\u5df2\u77e5\u7684\u6076\u610fIP\u5730\u5740\u6216IP\u6bb5\u7684\u8bbf\u95ee\uff0c\u4ee5\u589e\u52a0\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u5347\u7ea7\u548c\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6\uff1a\u5b9a\u671f\u5347\u7ea7\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u8f6f\u4ef6\uff0c\u4ee5\u4fee\u590d\u5df2\u77e5\u7684\u6f0f\u6d1e\u548c\u5b89\u5168\u95ee\u9898\u3002\u540c\u65f6\uff0c\u53ca\u65f6\u5b89\u88c5\u6700\u65b0\u7684\u5b89\u5168\u8865\u4e01\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

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