{"id":707,"date":"2025-09-26T15:50:48","date_gmt":"2025-09-26T07:50:48","guid":{"rendered":"https:\/\/wangliguang.cn\/?p=707"},"modified":"2025-12-13T17:18:22","modified_gmt":"2025-12-13T09:18:22","slug":"%e6%96%b0%e6%95%99%e7%a8%8b-linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%bd%bf%e7%94%a8fail2ban%e9%98%b2%e6%ad%a2%e8%bf%9c%e7%a8%8b%e6%81%b6%e6%84%8f%e8%bf%9e%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/wangliguang.cn\/?p=707","title":{"rendered":"[\u65b0\u6559\u7a0b] Linux\u670d\u52a1\u5668\u4f7f\u7528fail2ban\u9632\u6b62\u8fdc\u7a0b\u6076\u610f\u8fde\u63a5"},"content":{"rendered":"<h1>1 \u80cc\u666f<\/h1>\n<p>\u670d\u52a1\u5668\u7ecf\u5e38\u9047\u5230\u6076\u610f\u7206\u7834\u3002\u4f7f\u7528fail2ban\u81ea\u52a8\u5c01\u7981\u591a\u6b21\u5bc6\u7801\u8f93\u5165\u9519\u8bef\u7684IP\uff0c\u964d\u4f4e\u670d\u52a1\u5668\u88ab\u653b\u7834\u7684\u98ce\u9669\u3002<\/p>\n<h1>2 \u505a\u6cd5<\/h1>\n<p>1\u3001\u5b89\u88c5fail2ban\u3002<\/p>\n<pre><code>sudo apt update\nsudo apt install fail2ban<\/code><\/pre>\n<p>2\u3001\u914d\u7f6efail2ban<\/p>\n<pre><code>sudo vim \/etc\/fail2ban\/jail.local<\/code><\/pre>\n<p>\u7136\u540e\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre><code>[sshd]\nenabled = true\nport = ssh\nfilter = sshd\nlogpath = \/var\/log\/auth.log\nmaxretry = 10  # findtime\u65f6\u95f4\u5185\u6700\u5927\u5c1d\u8bd5\u6b21\u6570\nbantime = 86400  # \u8d85\u8fc7\u6700\u5927\u5c1d\u8bd5\u6b21\u6570\u540e\u5c01\u7981\u65f6\u95f4\uff0c\u4ee5\u79d2\u4e3a\u5355\u4f4d\nfindtime = 600  # \u8bbe\u7f6e\u76d1\u6d4b\u65f6\u95f4\uff0c\u4ee5\u79d2\u4e3a\u5355\u4f4d\u3002600\u8868\u793a\u7edf\u8ba1\u8fde\u7eed10\u5206\u949f\u5185\u5bc6\u7801\u8f93\u5165\u9519\u8bef\u7684\u6b21\u6570<\/code><\/pre>\n<p>3\u3001\u91cd\u542ffail2ban<\/p>\n<pre><code>sudo systemctl restart fail2ban<\/code><\/pre>\n<p>4\u3001\u67e5\u770b\u72b6\u6001<\/p>\n<pre><code>sudo fail2ban-client status sshd<\/code><\/pre>\n<h2>\u6ce8\u610f<\/h2>\n<p>\u5982\u679c\u4e0d\u6b63\u6b63\u5e38\u8fd0\u884c\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4<\/p>\n<pre><code>sudo apt-get update &amp;&amp; sudo apt-get install -y rsyslog  # Debian\/Ubuntu\nsudo systemctl enable --now rsyslog\n# \u7b49 1~2 \u5206\u949f\u8ba9\u65e5\u5fd7\u5f00\u59cb\u5199\u5165\uff0c\u518d\u7ee7\u7eed<\/code><\/pre>\n<p>\u7136\u540e\u518d\u6b21\u91cd\u542ffail2ban\u5373\u53ef\u6062\u590d\u6b63\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1 \u80cc\u666f \u670d\u52a1\u5668\u7ecf\u5e38\u9047\u5230\u6076\u610f\u7206\u7834\u3002\u4f7f\u7528fail2ban\u81ea\u52a8\u5c01\u7981\u591a\u6b21\u5bc6\u7801\u8f93\u5165\u9519\u8bef\u7684IP\uff0c\u964d\u4f4e\u670d\u52a1\u5668\u88ab\u653b\u7834\u7684\u98ce\u9669\u3002&hellip; <a href=\"https:\/\/wangliguang.cn\/?p=707\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">[\u65b0\u6559\u7a0b] Linux\u670d\u52a1\u5668\u4f7f\u7528fail2ban\u9632\u6b62\u8fdc\u7a0b\u6076\u610f\u8fde\u63a5<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-707","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts\/707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=707"}],"version-history":[{"count":1,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts\/707\/revisions"}],"predecessor-version":[{"id":708,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts\/707\/revisions\/708"}],"wp:attachment":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}