{"id":7528,"date":"2024-11-20T09:31:43","date_gmt":"2024-11-20T01:31:43","guid":{"rendered":"http:\/\/www.hanshuailing.com\/wordpress\/?p=7528"},"modified":"2025-07-30T19:53:09","modified_gmt":"2025-07-30T11:53:09","slug":"7528","status":"publish","type":"post","link":"http:\/\/puo.cn\/?p=7528","title":{"rendered":"\u5728alibaba cloud linux \u5982\u4f55\u5b89\u88c5fail2ban"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>\u5728 Alibaba Cloud Linux \u7cfb\u7edf\u4e2d\u5b89\u88c5\u548c\u914d\u7f6e Fail2ban \u53ef\u4ee5\u6709\u6548\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u51fb\uff0c\u5c24\u5176\u662f\u9488\u5bf9 SSH \u670d\u52a1\u7684\u653b\u51fb\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6b65\u9aa4\uff1a<br \/>\n1. \u5b89\u88c5 Fail2ban<br \/>\n\u9996\u5148\uff0c\u901a\u8fc7\u7ec8\u7aef\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6\u5305\u5217\u8868\uff0c\u7136\u540e\u5b89\u88c5 Fail2ban\u3002\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a<br \/>\nsudo yum update -y<br \/>\nsudo yum install fail2ban -y<br \/>\n\u5b89\u88c5\u5b8c\u6210\u540e\uff0cFail2ban \u4f1a\u81ea\u52a8\u542f\u52a8\u5e76\u8bbe\u7f6e\u4e3a\u5f00\u673a\u81ea\u542f\u3002<br \/>\n2. \u914d\u7f6e Fail2ban<br \/>\nFail2ban \u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e \/etc\/fail2ban\/ \u76ee\u5f55\u4e0b\u3002\u4e3b\u8981\u7684\u914d\u7f6e\u6587\u4ef6\u662f jail.local\uff0c\u5efa\u8bae\u590d\u5236\u5e76\u7f16\u8f91\u8be5\u6587\u4ef6\u4ee5\u81ea\u5b9a\u4e49\u89c4\u5219\uff1a<br \/>\nsudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local<br \/>\nsudo nano \/etc\/fail2ban\/jail.local<br \/>\n\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u76d1\u63a7\u7684\u670d\u52a1\uff08\u5982 SSH\uff09\u3001\u5c01\u7981\u65f6\u95f4\u3001\u91cd\u8bd5\u6b21\u6570\u7b49\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cFail2ban \u4f1a\u76d1\u63a7 SSH \u767b\u5f55\u65e5\u5fd7\uff0c\u5e76\u5728\u68c0\u6d4b\u5230\u591a\u6b21\u5931\u8d25\u5c1d\u8bd5\u540e\u81ea\u52a8\u5c01\u7981\u653b\u51fb\u8005\u7684 IP \u5730\u5740\u3002<br \/>\n3. \u542f\u52a8\u5e76\u542f\u7528 Fail2ban<br \/>\n\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u542f\u52a8 Fail2ban \u670d\u52a1\u5e76\u786e\u4fdd\u5176\u5f00\u673a\u81ea\u542f\uff1a<br \/>\nsudo systemctl start fail2ban<br \/>\nsudo systemctl enable fail2ban<br \/>\n\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5 Fail2ban \u7684\u8fd0\u884c\u72b6\u6001\uff1a<br \/>\nsudo systemctl status fail2ban<br \/>\n4. \u9a8c\u8bc1\u914d\u7f6e<br \/>\nFail2ban \u4f1a\u81ea\u52a8\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\u5e76\u5e94\u7528\u89c4\u5219\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u88ab\u5c01\u7981\u7684 IP \u5730\u5740\uff1a<br \/>\nsudo fail2ban-client status sshd<br \/>\n\u5982\u679c\u663e\u793a\u5c01\u7981\u7684 IP \u5730\u5740\uff0c\u8bf4\u660e\u914d\u7f6e\u5df2\u751f\u6548\u3002<br \/>\n\u6ce8\u610f\u4e8b\u9879<br \/>\n\u786e\u4fdd\u9632\u706b\u5899\u89c4\u5219\u4e0e Fail2ban \u517c\u5bb9\uff0c\u907f\u514d\u51b2\u7a81\u3002<br \/>\n\u5b9a\u671f\u68c0\u67e5 Fail2ban \u7684\u65e5\u5fd7\u6587\u4ef6\uff08\u901a\u5e38\u4f4d\u4e8e \/var\/log\/fail2ban.log\uff09\uff0c\u4ee5\u4fbf\u53ca\u65f6\u53d1\u73b0\u548c\u8c03\u6574\u89c4\u5219\u3002<br \/>\n\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u6210\u529f\u5728 Alibaba Cloud Linux \u7cfb\u7edf\u4e2d\u5b89\u88c5\u5e76\u914d\u7f6e Fail2ban\uff0c\u4ece\u800c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; \u5728 Alibaba Cloud Linux \u7cfb\u7edf\u4e2d\u5b89\u88c5\u548c\u914d\u7f6e Fail2ban \u53ef\u4ee5\u6709\u6548\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u51fb\uff0c\u5c24\u5176\u662f\u9488\u5bf9 SSH \u670d\u52a1\u7684\u653b\u51fb\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6b65\u9aa4\uff1a 1. \u5b89\u88c5 Fail2ban \u9996\u5148\uff0c\u901a\u8fc7\u7ec8\u7aef\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6\u5305\u5217\u8868\uff0c\u7136\u540e\u5b89&#8230;<\/p>\n","protected":false},"author":1,"featured_media":643114,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[128],"tags":[388,389,391],"topic":[],"class_list":["post-7528","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-128","tag-failban","tag-sudo","tag-391"],"_links":{"self":[{"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/posts\/7528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7528"}],"version-history":[{"count":3,"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/posts\/7528\/revisions"}],"predecessor-version":[{"id":651475,"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/posts\/7528\/revisions\/651475"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/media\/643114"}],"wp:attachment":[{"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7528"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7528"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=7528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}