{"id":45232,"date":"2024-10-06T21:25:12","date_gmt":"2024-10-06T13:25:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45232\/"},"modified":"2024-10-06T21:25:12","modified_gmt":"2024-10-06T13:25:12","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-centos-6-7-%e4%b8%8a%e7%a7%bb%e9%99%a4%e8%a2%ab-fail2ban-%e7%a6%81%e6%ad%a2%e7%9a%84-ip","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45232\/","title":{"rendered":"\u5982\u4f55\u5728 CentOS 6\/7 \u4e0a\u79fb\u9664\u88ab Fail2ban \u7981\u6b62\u7684 IP"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-centos-6-7-%e4%b8%8a%e7%a7%bb%e9%99%a4%e8%a2%ab-fail2ban-%e7%a6%81%e6%ad%a2%e7%9a%84-ip-pCFJWwBdPi\">\u5982\u4f55\u5728 CentOS 6\/7 \u4e0a\u79fb\u9664\u88ab Fail2ban \u7981\u6b62\u7684 IP<\/h1>\n<p>Fail2ban \u662f\u4e00\u6b3e\u5e7f\u6cdb\u4f7f\u7528\u7684\u5b89\u5168\u5de5\u5177\uff0c\u65e8\u5728\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u66b4\u529b\u7834\u89e3\u653b\u51fb\u3002\u5b83\u901a\u8fc7\u76d1\u63a7\u65e5\u5fd7\u6587\u4ef6\uff0c\u8bc6\u522b\u53ef\u7591\u6d3b\u52a8\u5e76\u81ea\u52a8\u7981\u6b62\u6076\u610f IP \u5730\u5740\u3002\u7136\u800c\uff0c\u6709\u65f6\u60a8\u53ef\u80fd\u9700\u8981\u89e3\u9664\u5bf9\u67d0\u4e9b IP \u5730\u5740\u7684\u7981\u6b62\uff0c\u5c24\u5176\u662f\u5728\u8bef\u5224\u7684\u60c5\u51b5\u4e0b\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728 CentOS 6\/7 \u4e0a\u79fb\u9664\u88ab Fail2ban \u7981\u6b62\u7684 IP \u5730\u5740\u3002<\/p>\n<h2 id=\"%e4%ba%86%e8%a7%a3-fail2ban-%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-pCFJWwBdPi\">\u4e86\u89e3 Fail2ban \u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>Fail2ban \u901a\u8fc7\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7\u6587\u4ef6\uff08\u5982 \/var\/log\/secure \u6216 \/var\/log\/auth.log\uff09\u6765\u68c0\u6d4b\u5931\u8d25\u7684\u767b\u5f55\u5c1d\u8bd5\u3002\u5f53\u67d0\u4e2a IP \u5730\u5740\u5728\u8bbe\u5b9a\u7684\u65f6\u95f4\u5185\u591a\u6b21\u5931\u8d25\u767b\u5f55\u65f6\uff0cFail2ban \u4f1a\u5c06\u8be5 IP \u5730\u5740\u6dfb\u52a0\u5230\u7981\u6b62\u5217\u8868\u4e2d\uff0c\u901a\u5e38\u662f\u901a\u8fc7 iptables \u6765\u5b9e\u73b0\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e8%a2%ab%e7%a6%81%e6%ad%a2%e7%9a%84-ip-%e5%9c%b0%e5%9d%80-pCFJWwBdPi\">\u67e5\u770b\u88ab\u7981\u6b62\u7684 IP \u5730\u5740<\/h2>\n<p>\u5728\u79fb\u9664\u88ab\u7981\u6b62\u7684 IP \u5730\u5740\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5148\u67e5\u770b\u5f53\u524d\u88ab\u7981\u6b62\u7684 IP \u5217\u8868\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\uff1a<\/p>\n<pre><code>sudo fail2ban-client status<\/code><\/pre>\n<p>\u8fd9\u6761\u547d\u4ee4\u5c06\u663e\u793a\u6240\u6709\u7684 jail\uff08\u76d1\u72f1\uff09\u53ca\u5176\u72b6\u6001\u3002\u63a5\u4e0b\u6765\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u7279\u5b9a jail \u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u4f8b\u5982 sshd\uff1a<\/p>\n<pre><code>sudo fail2ban-client status sshd<\/code><\/pre>\n<p>\u8fd9\u5c06\u5217\u51fa\u6240\u6709\u88ab\u7981\u6b62\u7684 IP \u5730\u5740\u53ca\u5176\u7981\u6b62\u7684\u539f\u56e0\u3002<\/p>\n<h2 id=\"%e7%a7%bb%e9%99%a4%e8%a2%ab%e7%a6%81%e6%ad%a2%e7%9a%84-ip-%e5%9c%b0%e5%9d%80-pCFJWwBdPi\">\u79fb\u9664\u88ab\u7981\u6b62\u7684 IP \u5730\u5740<\/h2>\n<p>\u4e00\u65e6\u60a8\u786e\u8ba4\u4e86\u9700\u8981\u89e3\u9664\u7981\u6b62\u7684 IP \u5730\u5740\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u79fb\u9664\u5b83\uff1a<\/p>\n<pre><code>sudo fail2ban-client set &lt;jail_name&gt; unbanip &lt;ip_address&gt;<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c&lt;jail_name&gt; \u662f\u60a8\u8981\u89e3\u9664\u7981\u6b62\u7684 jail \u540d\u79f0\uff08\u4f8b\u5982 sshd\uff09\uff0c\u800c &lt;ip_address&gt; \u662f\u60a8\u8981\u89e3\u9664\u7981\u6b62\u7684\u5177\u4f53 IP \u5730\u5740\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u8981\u89e3\u9664\u5bf9 192.168.1.100 \u7684\u7981\u6b62\uff0c\u53ef\u4ee5\u6267\u884c\uff1a<\/p>\n<pre><code>sudo fail2ban-client set sshd unbanip 192.168.1.100<\/code><\/pre>\n<h2 id=\"%e9%aa%8c%e8%af%81-ip-%e5%9c%b0%e5%9d%80%e6%98%af%e5%90%a6%e5%b7%b2%e8%a7%a3%e9%99%a4%e7%a6%81%e6%ad%a2-pCFJWwBdPi\">\u9a8c\u8bc1 IP \u5730\u5740\u662f\u5426\u5df2\u89e3\u9664\u7981\u6b62<\/h2>\n<p>\u89e3\u9664\u7981\u6b62\u540e\uff0c\u60a8\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u786e\u8ba4\u8be5 IP \u5730\u5740\u662f\u5426\u4ecd\u5728\u7981\u6b62\u5217\u8868\u4e2d\uff1a<\/p>\n<pre><code>sudo fail2ban-client status sshd<\/code><\/pre>\n<p>\u5982\u679c\u8be5 IP \u5730\u5740\u4e0d\u518d\u51fa\u73b0\u5728\u5217\u8868\u4e2d\uff0c\u5219\u8868\u793a\u89e3\u9664\u7981\u6b62\u6210\u529f\u3002<\/p>\n<h2 id=\"%e9%98%b2%e6%ad%a2%e8%af%af%e5%88%a4%e7%9a%84%e5%bb%ba%e8%ae%ae-pCFJWwBdPi\">\u9632\u6b62\u8bef\u5224\u7684\u5efa\u8bae<\/h2>\n<p>\u4e3a\u4e86\u51cf\u5c11\u8bef\u5224\uff0c\u60a8\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ul>\n<li>\u8c03\u6574 Fail2ban \u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u589e\u52a0\u5141\u8bb8\u7684\u5931\u8d25\u5c1d\u8bd5\u6b21\u6570\u3002<\/li>\n<li>\u4f7f\u7528\u767d\u540d\u5355\u529f\u80fd\uff0c\u5c06\u53ef\u4fe1\u7684 IP \u5730\u5740\u6dfb\u52a0\u5230\u767d\u540d\u5355\u4e2d\u3002<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5\u65e5\u5fd7\u6587\u4ef6\uff0c\u4e86\u89e3\u662f\u5426\u6709\u5f02\u5e38\u6d3b\u52a8\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%80%bb%e7%bb%93-pCFJWwBdPi\">\u603b\u7ed3<\/h2>\n<p>\u5728 CentOS 6\/7 \u4e0a\u79fb\u9664\u88ab Fail2ban \u7981\u6b62\u7684 IP \u5730\u5740\u662f\u4e00\u4e2a\u76f8\u5bf9\u7b80\u5355\u7684\u8fc7\u7a0b\u3002\u901a\u8fc7\u4f7f\u7528\u9002\u5f53\u7684\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u7ba1\u7406\u88ab\u7981\u6b62\u7684 IP \u5217\u8868\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u7684\u6b63\u5e38\u8bbf\u95ee\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u548c\u5b89\u5168\u9632\u62a4\u7684\u7528\u6237\uff0c\u9009\u62e9\u5408\u9002\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u51b3\u65b9\u6848\u5c06\u662f\u4e00\u4e2a\u660e\u667a\u7684\u9009\u62e9\u3002\u4e86\u89e3\u66f4\u591a\u5173\u4e8e <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u670d\u52a1\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u6b22\u8fce\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u65b9\u7f51\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 CentOS 6\/7 \u4e0a\u79fb\u9664\u88ab Fail2ban \u7981\u6b62\u7684 IP\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u5b89\u5168\u4e0e\u6b63\u5e38\u8bbf\u95ee\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-45232","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45232","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=45232"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45232\/revisions"}],"predecessor-version":[{"id":45233,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45232\/revisions\/45233"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}