{"id":62445,"date":"2025-04-29T15:36:39","date_gmt":"2025-04-29T07:36:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62445\/"},"modified":"2025-04-29T15:36:39","modified_gmt":"2025-04-29T07:36:39","slug":"%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%ef%bc%9a%e4%bf%9d%e6%8a%a4%e6%82%a8%e7%9a%84linux%e6%9c%8d%e5%8a%a1%e5%99%a8-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62445\/","title":{"rendered":"\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/169422088738668.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u63d2\u56fe\" alt=\"\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u63d2\u56fe\" \/><\/p>\n<p>\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u968f\u7740\u7f51\u7edc\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6076\u610f\u653b\u51fb\u4e5f\u65e5\u76ca\u7316\u7357\u3002\u5176\u4e2d\u4e00\u79cd\u5e38\u89c1\u7684\u653b\u51fb\u7c7b\u578b\u5c31\u662fDistributed Denial of Service\uff08DDoS\uff09\u653b\u51fb\u3002DDoS\u653b\u51fb\u65e8\u5728\u4f7f\u76ee\u6807\u670d\u52a1\u5668\u7684\u8d44\u6e90\u8017\u5c3d\uff0c\u5bfc\u81f4\u65e0\u6cd5\u6b63\u5e38\u63d0\u4f9b\u670d\u52a1\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\uff0c\u5e76\u7ed9\u51faLinux\u670d\u52a1\u5668\u7684\u76f8\u5e94\u9632\u62a4\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u8bc6\u522bDDoS\u653b\u51fb<\/p>\n<ol>\n<li>\n<p>\u5f02\u5e38\u6d41\u91cf<br \/>DDoS\u653b\u51fb\u4f1a\u751f\u6210\u5927\u91cf\u7684\u4f2a\u9020\u6d41\u91cf\uff0c\u4f7f\u6b63\u5e38\u7528\u6237\u65e0\u6cd5\u8bbf\u95ee\u670d\u52a1\u5668\u3002\u56e0\u6b64\uff0c\u89c2\u5bdf\u6d41\u91cf\u662f\u5426\u5f02\u5e38\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8bc6\u522bDDoS\u653b\u51fb\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u670d\u52a1\u5668\u6d41\u91cf\u662f\u5426\u8d85\u8fc7\u67d0\u4e2a\u9608\u503c\uff1a<\/p>\n<pre>$ netstat -an | awk '{ print $5 }' | cut -d: -f1 | sort | uniq -c | sort -n<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6b64\u547d\u4ee4\u5c06\u8f93\u51fa\u6bcf\u4e2aIP\u5730\u5740\u548c\u8fde\u63a5\u6570\u3002\u5982\u679c\u67d0\u4e2aIP\u5730\u5740\u7684\u8fde\u63a5\u6570\u8fdc\u8fdc\u8d85\u8fc7\u5176\u4ed6IP\u5730\u5740\uff0c\u5219\u53ef\u80fd\u662fDDoS\u653b\u51fb\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f51\u7edc\u5e26\u5bbd\u5cf0\u503c<br \/>DDoS\u653b\u51fb\u4f1a\u5bfc\u81f4\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5e26\u5bbd\u5cf0\u503c\u8fc5\u901f\u589e\u52a0\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u76d1\u63a7\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5\uff1a<\/p>\n<pre>$ iftop -n<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8be5\u547d\u4ee4\u5c06\u5b9e\u65f6\u663e\u793a\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5\u3002\u5982\u679c\u5e26\u5bbd\u4f7f\u7528\u7387\u6025\u5267\u589e\u52a0\uff0c\u53ef\u80fd\u662fDDoS\u653b\u51fb\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u65e5\u5fd7<br \/>DDoS\u653b\u51fb\u901a\u5e38\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u7f51\u7edc\u8bf7\u6c42\uff0c\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u65e5\u5fd7\u6765\u5224\u65ad\u662f\u5426\u53d7\u5230DDoS\u653b\u51fb\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770bApache\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u65e5\u5fd7\uff1a<\/p>\n<pre>$ tail -f \/var\/log\/apache2\/access.log<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5982\u679c\u770b\u5230\u5927\u91cf\u7684\u91cd\u590d\u8bf7\u6c42\uff0c\u53ef\u80fd\u662fDDoS\u653b\u51fb\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4e8c\u3001\u5e94\u5bf9DDoS\u653b\u51fb<\/p>\n<ol>\n<li>\n<p>IP\u8fc7\u6ee4<br \/>\u901a\u8fc7\u8fc7\u6ee4IP\u5730\u5740\u53ef\u4ee5\u963b\u6b62\u653b\u51fb\u8005\u7684\u8bbf\u95ee\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5728Linux\u670d\u52a1\u5668\u4e0a\u6dfb\u52a0IP\u8fc7\u6ee4\u89c4\u5219\uff1a<\/p>\n<pre>$ iptables -A INPUT -s &lt;attacker_ip&gt; -j DROP&lt;\/attacker_ip&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\u589e\u52a0\u5e26\u5bbd<br \/>\u901a\u8fc7\u589e\u52a0\u670d\u52a1\u5668\u7684\u5e26\u5bbd\u53ef\u4ee5\u589e\u52a0\u670d\u52a1\u5668\u62b5\u5fa1DDoS\u653b\u51fb\u7684\u80fd\u529b\u3002\u53ef\u4ee5\u8054\u7cfb\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u5347\u7ea7\u670d\u52a1\u5668\u7684\u5e26\u5bbd\u3002<\/li>\n<li>\u4f7f\u7528CDN<br \/>\u4f7f\u7528Content Delivery Network\uff08CDN\uff09\u53ef\u4ee5\u5206\u6563\u6d41\u91cf\u538b\u529b\uff0c\u51cf\u8f7bDDoS\u653b\u51fb\u5bf9\u670d\u52a1\u5668\u7684\u5f71\u54cd\u3002\u53ef\u4ee5\u9009\u62e9\u4e00\u4e2a\u53ef\u9760\u7684CDN\u4f9b\u5e94\u5546\uff0c\u5c06\u670d\u52a1\u5668\u7684\u5185\u5bb9\u7f13\u5b58\u5230CDN\u8282\u70b9\uff0c\u540c\u65f6\u901a\u8fc7CDN\u6765\u5904\u7406\u8bbf\u95ee\u8bf7\u6c42\u3002<\/li>\n<li>\u4f7f\u7528\u53cd\u5411\u4ee3\u7406<br \/>\u4f7f\u7528\u53cd\u5411\u4ee3\u7406\u53ef\u4ee5\u5e2e\u52a9\u5206\u6563DDoS\u653b\u51fb\u7684\u538b\u529b\u3002\u53ef\u4ee5\u9009\u62e9\u4e00\u4e2a\u53ef\u9760\u7684\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5546\uff0c\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u670d\u52a1\u5668\u4e4b\u524d\u5148\u7ecf\u8fc7\u53cd\u5411\u4ee3\u7406\u3002<\/li>\n<\/ol>\n<p>\u7ed3\u8bba\uff1a<br \/>DDoS\u653b\u51fb\u5bf9\u670d\u52a1\u5668\u7684\u6b63\u5e38\u8fd0\u884c\u9020\u6210\u4e86\u4e25\u91cd\u5a01\u80c1\u3002\u4e3a\u4e86\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\uff0c\u6211\u4eec\u9700\u8981\u53ca\u65f6\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5982\u4f55\u8bc6\u522bDDoS\u653b\u51fb\u7684\u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u4e86\u76f8\u5e94\u7684Linux\u670d\u52a1\u5668\u9632\u62a4\u4ee3\u7801\u793a\u4f8b\u3002\u901a\u8fc7\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\uff0c\u6211\u4eec\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u51cf\u8f7bDDoS\u653b\u51fb\u5e26\u6765\u7684\u5f71\u54cd\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668 \u5f15\u8a00\uff1a\u968f\u7740\u7f51\u7edc\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6076\u610f\u653b\u51fb\u4e5f\u65e5\u76ca\u7316\u7357\u3002\u5176\u4e2d\u4e00\u79cd\u5e38\u89c1\u7684\u653b\u51fb\u7c7b\u578b\u5c31\u662fDistributed Denial of Service\uff08DDoS\uff09\u653b\u51fb\u3002DDoS\u653b\u51fb\u65e8\u5728\u4f7f\u76ee\u6807\u670d\u52a1\u5668\u7684\u8d44\u6e90\u8017\u5c3d\uff0c\u5bfc\u81f4\u65e0\u6cd5\u6b63\u5e38\u63d0\u4f9b\u670d\u52a1\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u8bc6\u522b\u548c\u5e94\u5bf9DDoS\u653b\u51fb\uff0c\u5e76\u7ed9\u51faLinux\u670d\u52a1\u5668\u7684\u76f8\u5e94\u9632\u62a4\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u8bc6\u522bDDoS\u653b\u51fb \u5f02\u5e38\u6d41\u91cfDDoS\u653b\u51fb\u4f1a\u751f\u6210\u5927\u91cf\u7684\u4f2a\u9020\u6d41\u91cf\uff0c\u4f7f\u6b63\u5e38\u7528\u6237\u65e0\u6cd5\u8bbf\u95ee\u670d\u52a1\u5668\u3002\u56e0\u6b64\uff0c\u89c2\u5bdf\u6d41\u91cf\u662f\u5426\u5f02\u5e38\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8bc6\u522bDDoS\u653b\u51fb\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u670d\u52a1\u5668\u6d41\u91cf\u662f\u5426\u8d85\u8fc7\u67d0\u4e2a\u9608\u503c\uff1a $ netstat -an | awk &#8216;{ print $5 }&#8217; | cut -d: -f1 | sort | uniq -c | sort -n \u767b\u5f55\u540e\u590d\u5236 \u6b64\u547d\u4ee4\u5c06\u8f93\u51fa\u6bcf\u4e2aIP\u5730\u5740\u548c\u8fde\u63a5\u6570\u3002\u5982\u679c\u67d0\u4e2aIP\u5730\u5740\u7684\u8fde\u63a5\u6570\u8fdc\u8fdc\u8d85\u8fc7\u5176\u4ed6IP\u5730\u5740\uff0c\u5219\u53ef\u80fd\u662fDDoS\u653b\u51fb\u3002 \u7f51\u7edc\u5e26\u5bbd\u5cf0\u503cDDoS\u653b\u51fb\u4f1a\u5bfc\u81f4\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5e26\u5bbd\u5cf0\u503c\u8fc5\u901f\u589e\u52a0\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u76d1\u63a7\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5\uff1a $ iftop -n \u767b\u5f55\u540e\u590d\u5236 \u8be5\u547d\u4ee4\u5c06\u5b9e\u65f6\u663e\u793a\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5\u3002\u5982\u679c\u5e26\u5bbd\u4f7f\u7528\u7387\u6025\u5267\u589e\u52a0\uff0c\u53ef\u80fd\u662fDDoS\u653b\u51fb\u3002 \u68c0\u67e5\u65e5\u5fd7DDoS\u653b\u51fb\u901a\u5e38\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u7f51\u7edc\u8bf7\u6c42\uff0c\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u65e5\u5fd7\u6765\u5224\u65ad\u662f\u5426\u53d7\u5230DDoS\u653b\u51fb\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770bApache\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u65e5\u5fd7\uff1a $ tail -f \/var\/log\/apache2\/access.log \u767b\u5f55\u540e\u590d\u5236 \u5982\u679c\u770b\u5230\u5927\u91cf\u7684\u91cd\u590d\u8bf7\u6c42\uff0c\u53ef\u80fd\u662fDDoS\u653b\u51fb\u3002 \u4e8c\u3001\u5e94\u5bf9DDoS\u653b\u51fb IP\u8fc7\u6ee4\u901a\u8fc7\u8fc7\u6ee4IP\u5730\u5740\u53ef\u4ee5\u963b\u6b62\u653b\u51fb\u8005\u7684\u8bbf\u95ee\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5728Linux\u670d\u52a1\u5668\u4e0a\u6dfb\u52a0IP\u8fc7\u6ee4\u89c4\u5219\uff1a $ iptables -A INPUT -s &lt;attacker_ip&gt; -j DROP&lt;\/attacker_ip&gt; \u767b\u5f55\u540e\u590d\u5236 \u589e\u52a0\u5e26\u5bbd\u901a\u8fc7\u589e\u52a0\u670d\u52a1\u5668\u7684\u5e26\u5bbd\u53ef\u4ee5\u589e\u52a0\u670d\u52a1\u5668\u62b5\u5fa1DDoS\u653b\u51fb\u7684\u80fd\u529b\u3002\u53ef\u4ee5\u8054\u7cfb\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u5347\u7ea7\u670d\u52a1\u5668\u7684\u5e26\u5bbd\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-62445","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=62445"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62445\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}