{"id":833,"date":"2014-03-18T12:03:37","date_gmt":"2014-03-18T04:03:37","guid":{"rendered":"http:\/\/www.myvoipapp.com\/blogs\/yxh\/?p=833"},"modified":"2019-02-12T20:11:49","modified_gmt":"2019-02-12T12:11:49","slug":"%e4%bd%bf%e7%94%a8fail2ban%e9%98%b2%e6%ad%a2%e6%81%b6%e6%84%8fssh%e7%99%bb%e9%99%86","status":"publish","type":"post","link":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/2014\/03\/18\/%e4%bd%bf%e7%94%a8fail2ban%e9%98%b2%e6%ad%a2%e6%81%b6%e6%84%8fssh%e7%99%bb%e9%99%86\/","title":{"rendered":"\u4f7f\u7528fail2ban\u9632\u6b62\u6076\u610fssh\u767b\u9646"},"content":{"rendered":"<p>\u6700\u8fd1\u68c0\u67e5\u4e86\u4e00\u4e0b\u7cfb\u7edf\u7684\u6d41\u91cf\u7b49\u60c5\u51b5\uff0c\u53d1\u73b0\u6709\u4eba\u5c1d\u8bd5\u4ee5root\u8eab\u4efd\u767b\u9646\u7cfb\u7edf\uff0c\u7b80\u5355\u7c97\u66b4\u5730\u5c1d\u8bd5\u5404\u79cd\u5bc6\u7801\uff0c\u5b9e\u5728\u662f\u5f88\u6ca1\u54c1\u7684\u4e8b\u3002\u5bf9\u4ed8\u8fd9\u79cd\u65e0\u804a\u4eba\u65e0\u804a\u4e8b\u6700\u597d\u7684\u529e\u6cd5\u5c31\u662f\u5b89\u88c5fail2ban\uff0c\u8ba9\u4ed6\u4eec\u9192\u609f\u5427\u3002<\/p>\n<p>fail2ban\u7684\u539f\u7406\u7b80\u800c\u8a00\u4e4b\u5c31\u662f\uff1a\u626b\u63cflog\u6587\u4ef6\uff0c\u53d1\u73b0\u6709\u544a\u8b66\u5c31\u8bb0\u5f55\u3002\u5f53\u544a\u8b66\u8d85\u8fc7\u4e00\u5b9a\u7684\u9600\u503c\uff0c\u4f8b\u5982\u5931\u8d25\u4e866\u6b21\uff0c\u5c31\u8c03\u7528iptables\uff0c\u5c06\u5bf9\u5e94\u7684IP\u5730\u5740\u5c4f\u853d\u4e00\u6bb5\u65f6\u95f4\uff08\u7f3a\u7701\u4e3a600\u79d2\uff09\u3002\u56e0\u6b64\u9996\u5148\u8981\u786e\u4fddiptables\u5df2\u7ecf\u5b89\u88c5\u4e86\uff0c\u5426\u5219\u4ec5\u4ec5\u9760fail2ban\u662f\u6ca1\u6709\u4efb\u4f55\u4f5c\u7528\u7684\u3002<\/p>\n<p>\u5728Ubuntu 10.04\u73af\u5883\u5b89\u88c5fail2ban\u662f\u4ef6\u8f7b\u677e\u6109\u5feb\u7684\u4e8b\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5373\u53ef\uff1a<\/p>\n<pre>sudo apt-get install fail2ban<\/pre>\n<p>\u5b89\u88c5\u540e\uff0cfail2ban\u9ed8\u8ba4\u4f1a\u968f\u7cfb\u7edf\u542f\u52a8\u800c\u542f\u52a8\u3002<\/p>\n<p>\u7531\u4e8essh\u9ed8\u8ba4\u6700\u5927\u5c1d\u8bd5\u6570\u4e3a6\uff0c\u6211\u4eec\u5e0c\u671b\u6539\u62103\uff0c \u56e0\u6b64\u9700\u8981\u4fee\u6539\/etc\/fail2ban\/jail.conf\u6587\u4ef6\u3002\u627e\u5230ssh\u6bb5\u843d\u7b80\u5355\u4fee\u6539\u5373\u53ef\uff1a<\/p>\n<pre>[ssh]\r\n...\r\nmaxretry = 3<\/pre>\n<p>\u7136\u540e\u91cd\u542ffail2ban\u4f7f\u65b0\u914d\u7f6e\u751f\u6548\uff1a<\/p>\n<pre>sudo service fail2ban restart<\/pre>\n<p>\u53ef\u4ee5\u68c0\u67e5\/var\/log\/fail2ban.log\u6587\u4ef6\u4e86\u89e3\u5404\u79cd\u8fc7\u6ee4\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u68c0\u67e5\u4e86\u4e00\u4e0b\u7cfb\u7edf\u7684\u6d41\u91cf\u7b49\u60c5\u51b5\uff0c\u53d1\u73b0\u6709\u4eba\u5c1d\u8bd5\u4ee5root\u8eab\u4efd\u767b\u9646\u7cfb\u7edf\uff0c\u7b80\u5355\u7c97\u66b4\u5730\u5c1d\u8bd5\u5404\u79cd\u5bc6\u7801\uff0c\u5b9e\u5728\u662f\u5f88\u6ca1\u54c1\u7684\u4e8b\u3002\u5bf9\u4ed8\u8fd9\u79cd\u65e0\u804a\u4eba\u65e0\u804a\u4e8b\u6700\u597d\u7684\u529e\u6cd5\u5c31\u662f\u5b89\u88c5fail2b&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.myvoipapp.com\/blogs\/yxh\/2014\/03\/18\/%e4%bd%bf%e7%94%a8fail2ban%e9%98%b2%e6%ad%a2%e6%81%b6%e6%84%8fssh%e7%99%bb%e9%99%86\/\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[327,328,329,31],"class_list":["post-833","post","type-post","status-publish","format-standard","hentry","category-6","tag-fail2ban","tag-ssh","tag-sshd","tag-ubuntu"],"_links":{"self":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/comments?post=833"}],"version-history":[{"count":1,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/833\/revisions"}],"predecessor-version":[{"id":834,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/833\/revisions\/834"}],"wp:attachment":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/media?parent=833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/categories?post=833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/tags?post=833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}