{"id":756,"date":"2026-05-13T16:23:08","date_gmt":"2026-05-13T16:23:08","guid":{"rendered":"https:\/\/boostify.cl\/blog\/post-36ab582e\/"},"modified":"2026-05-13T16:23:08","modified_gmt":"2026-05-13T16:23:08","slug":"post-36ab582e","status":"publish","type":"post","link":"https:\/\/boostify.cl\/blog\/post-36ab582e\/","title":{"rendered":"Fail2Ban\uff1a2026\u5e74\u5982\u4f55\u52a0\u56faLinux\u670d\u52a1\u5668\u62b5\u5fa1\u653b\u51fb"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u65e0\u4eba\u5bdf\u89c9\u7684\u65e0\u58f0\u5a01\u80c1\uff08\u76f4\u5230\u4e3a\u65f6\u5df2\u665a\uff09<\/h2>\n\n\n\n<p>\u6bcf39\u79d2\uff0c\u5c31\u6709\u4e00\u4e2a\u66b4\u529b\u7834\u89e3\u653b\u51fb\u8bd5\u56fe\u5165\u4fb5\u4e00\u4e2a\u8fde\u63a5\u5230\u4e92\u8054\u7f51\u7684\u670d\u52a1\u5668\u3002\u8fd9\u4e0d\u662f\u4e00\u4e2a\u968f\u673a\u6570\u5b57\uff1a\u5b83\u662f\u9a6c\u91cc\u5170\u5927\u5b66\u7f51\u7edc\u5b89\u5168\u4e2d\u5fc3\u57282021\u5e74\u4e00\u9879\u7814\u7a76\u4e2d\u8bb0\u5f55\u7684\u5e73\u5747\u503c\uff0c\u8be5\u7814\u7a76\u81f3\u4eca\u4ecd\u662f\u53c2\u8003\u6807\u51c6\u3002\u52302026\u5e74\uff0c\u968f\u7740\u81ea\u52a8\u5316\u673a\u5668\u4eba\u548cAI\u9a71\u52a8\u7684\u6076\u610f\u811a\u672c\u7684\u6fc0\u589e\uff0c\u653b\u51fb\u9891\u7387\u53ea\u4f1a\u66f4\u9ad8\u3002\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u66b4\u9732\u5728\u5916\u7684Linux\u670d\u52a1\u5668\u2014\u2014\u65e0\u8bba\u662f\u7528\u4e8e\u6258\u7ba1\u3001Web\u5e94\u7528\u8fd8\u662f\u5185\u90e8\u57fa\u7840\u8bbe\u65bd\u2014\u2014\u4f60\u5c31\u5728\u653b\u51fb\u8005\u7684\u7784\u51c6\u955c\u4e2d\u3002<\/p>\n\n\n\n<p>\u5927\u591a\u6570\u7ba1\u7406\u5458\u4f9d\u8d56\u9632\u706b\u5899\u548c\u5f3a\u5bc6\u7801\u3002\u4f46\u8fd9\u8fd8\u4e0d\u591f\u3002\u9488\u5bf9SSH\u7684\u6301\u4e45\u5b57\u5178\u653b\u51fb\u3001\u5728WordPress\u4e0a\u6d4b\u8bd5\u7ec4\u5408\u7684\u6076\u610f\u4ee3\u7406\u3001\u6216\u626b\u63cfFTP\u7aef\u53e3\u7684\u673a\u5668\u4eba\uff0c\u5982\u679c\u6ca1\u6709\u81ea\u52a8\u54cd\u5e94\u5c42\uff0c\u90fd\u80fd\u6253\u7834\u4f60\u7684\u9632\u5fa1\u3002\u8fd9\u65f6Fail2Ban\u5c31\u6d3e\u4e0a\u4e86\u7528\u573a\u3002<\/p>\n\n\n\n<p>Fail2Ban\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\uff0c\u5b83\u5b9e\u65f6\u626b\u63cf\u65e5\u5fd7\u5e76\u963b\u6b62\u8868\u73b0\u51fa\u6076\u610f\u884c\u4e3a\u7684IP\u5730\u5740\u3002\u5b83\u672c\u8eab\u4e0d\u662f\u9632\u706b\u5899\uff0c\u800c\u662f\u4e00\u4e2a\u89c4\u5219\u7f16\u6392\u5668\uff0c\u4fee\u6539iptables\u6216nftables\uff0c\u5728\u653b\u51fb\u8005\u8fbe\u6210\u76ee\u6807\u4e4b\u524d\u5207\u65ad\u8bbf\u95ee\u3002\u5728\u672c\u6587\u4e2d\uff0c\u4f60\u4e0d\u4ec5\u4f1a\u4e86\u89e3\u5b83\u662f\u4ec0\u4e48\uff0c\u8fd8\u4f1a\u77e5\u9053\u5982\u4f55\u9010\u6b65\u914d\u7f6e\u5b83\uff0c\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u5b83\u5e94\u8be5\u6210\u4e3a\u4f602026\u5e74\u5b89\u5168\u5806\u6808\u7684\u4e00\u90e8\u5206\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fail2Ban\u5982\u4f55\u5de5\u4f5c\uff1a\u65e5\u5fd7\u4fa6\u63a2<\/h2>\n\n\n\n<p>\u60f3\u8c61Fail2Ban\u662f\u4e00\u4e2a\u4e0d\u65ad\u8bfb\u53d6\u670d\u52a1\u5668\u65e5\u5fd7\u7684\u5b88\u536b\u3002\u5f53\u5b83\u68c0\u6d4b\u5230\u53ef\u7591\u6a21\u5f0f\u65f6\u2014\u2014\u4f8b\u598210\u5206\u949f\u51855\u6b21\u5931\u8d25\u7684SSH\u767b\u5f55\u5c1d\u8bd5\u2014\u2014\u5b83\u4f1a\u89e6\u53d1\u8b66\u62a5\u5e76\u5728\u5b9a\u4e49\u7684\u65f6\u95f4\u5185\u963b\u6b62\u653b\u51fb\u8005\u7684IP\u3002\u6280\u672f\u4e0a\uff0c\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u65e5\u5fd7\u76d1\u63a7<\/strong>\uff1a\u8bfb\u53d6\u5982<code>\/var\/log\/auth.log<\/code>\u6216<code>\/var\/log\/nginx\/error.log<\/code>\u7b49\u6587\u4ef6\u3002<\/li><li><strong>\u8fc7\u6ee4\u5668<\/strong>\uff1a\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8bc6\u522b\u653b\u51fb\u6a21\u5f0f\uff08\u8ba4\u8bc1\u5931\u8d25\u3001\u626b\u63cf\u7b49\uff09\u3002<\/li><li><strong>\u64cd\u4f5c<\/strong>\uff1a\u6267\u884c\u5982<code>iptables -A INPUT -s [IP] -j DROP<\/code>\u7b49\u547d\u4ee4\u6765\u963b\u6b62IP\u3002<\/li><li><strong>\u76d1\u72f1<\/strong>\uff1a\u5c06\u8fc7\u6ee4\u5668\u4e0e\u64cd\u4f5c\u5173\u8054\u7684\u89c4\u5219\u3002\u6bcf\u4e2a\u670d\u52a1\uff08SSH\u3001WordPress\u3001FTP\uff09\u90fd\u53ef\u4ee5\u6709\u81ea\u5df1\u7684\u76d1\u72f1\u3002<\/li><\/ul>\n\n\n\n<p>\u5f53\u524d\u7248\u672cFail2Ban 1.1\uff08\u81ea2023\u5e74\u8d77\u7a33\u5b9a\uff09\u539f\u751f\u652f\u6301nftables\uff0c\u5e76\u5bf9\u9ad8\u5bb9\u91cf\u65e5\u5fd7\u6709\u6027\u80fd\u6539\u8fdb\u3002\u52302026\u5e74\uff0c\u5b83\u4ecd\u7136\u662fLinux\u670d\u52a1\u5668\u4e0a\u7684\u6807\u51c6\u5de5\u5177\uff0c\u56e0\u4e3a\u5176\u9ad8\u6548\u548c\u4f4e\u8d44\u6e90\u6d88\u8017\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u771f\u5b9e\u6848\u4f8b\uff1aFail2Ban\u963b\u6b62\u4e86\u4ec0\u4e48<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. SSH\u66b4\u529b\u7834\u89e3\u653b\u51fb<\/h3>\n\n\n\n<p>\u4e00\u4e2a\u6765\u81ea\u4e2d\u56fd\u6216\u4fc4\u7f57\u65af\u7684\u673a\u5668\u4eba\u626b\u63cf\u516c\u5171IP\u5730\u5740\uff0c\u6d4b\u8bd5\u5e38\u89c1\u7ec4\u5408\u5982<code>root:admin<\/code>\u6216<code>user:123456<\/code>\u3002\u6ca1\u6709Fail2Ban\uff0c\u5b83\u572824\u5c0f\u65f6\u5185\u53ef\u4ee5\u5c1d\u8bd5\u6570\u5343\u79cd\u7ec4\u5408\u3002\u6709\u4e86Fail2Ban\uff0c\u57285\u5206\u949f\u51853\u6b21\u5931\u8d25\u5c1d\u8bd5\u540e\uff0cIP\u88ab\u5c01\u95011\u5c0f\u65f6\u3002\u673a\u5668\u4eba\u653e\u5f03\u5e76\u8f6c\u5411\u4e0b\u4e00\u4e2a\u76ee\u6807\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. WordPress\u653b\u51fb\uff08xmlrpc.php\uff09<\/h3>\n\n\n\n<p>WordPress\u7684<code>xmlrpc.php<\/code>\u6587\u4ef6\u662f\u4e00\u4e2a\u7ecf\u5178\u5411\u91cf\u3002\u653b\u51fb\u8005\u53d1\u9001\u5927\u91cfPOST\u8bf7\u6c42\u6765\u6d4b\u8bd5\u51ed\u636e\u3002Fail2Ban\u53ef\u4ee5\u76d1\u63a7Nginx\u6216Apache\u65e5\u5fd7\uff0c\u5e76\u963b\u6b62\u572830\u79d2\u5185\u4ea7\u751f\u8d85\u8fc710\u6b21\u5bf9<code>xmlrpc.php<\/code>\u8bf7\u6c42\u7684IP\u3002\u8fd9\u5bf9\u4e8e\u5904\u7406\u654f\u611f\u6570\u636e\u7684\u7f51\u7ad9\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u4f7f\u7528nmap\u8fdb\u884c\u7aef\u53e3\u626b\u63cf<\/h3>\n\n\n\n<p>\u50cfnmap\u8fd9\u6837\u7684\u5de5\u5177\u53ef\u4ee5\u68c0\u6d4b\u5f00\u653e\u670d\u52a1\u3002Fail2Ban\u901a\u8fc7\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\u8bc6\u522b\u5feb\u901f\u626b\u63cf\uff08SYN\u626b\u63cf\uff09\uff0c\u5e76\u5728\u653b\u51fb\u8005\u5b8c\u6210\u6620\u5c04\u4e4b\u524d\u963b\u6b62IP\u3002DigitalOcean\u5728\u5176\u5b89\u5168\u6307\u5357\u4e2d\u8bb0\u5f55\u7684\u4e00\u4e2a\u6848\u4f8b\u663e\u793a\uff0cFail2Ban\u5728\u751f\u4ea7\u670d\u52a1\u5668\u4e0a\u5c06\u672a\u6388\u6743\u8bbf\u95ee\u5c1d\u8bd5\u51cf\u5c11\u4e8695%\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9010\u6b65\u914d\u7f6e\uff1a\u4ece\u96f6\u5230\u52a0\u56fa<\/h2>\n\n\n\n<p>\u6211\u5047\u8bbe\u4f60\u6709\u4e00\u4e2aUbuntu 24.04 LTS\u670d\u52a1\u5668\uff08\u6216\u7c7b\u4f3c\u7cfb\u7edf\uff09\u3002Debian\u3001CentOS\u6216Rocky Linux\u7684\u914d\u7f6e\u51e0\u4e4e\u76f8\u540c\uff0c\u53ea\u662f\u5305\u7ba1\u7406\u5668\u4e0d\u540c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa41\uff1a\u5b89\u88c5<\/h3>\n\n\n\n<p>\u901a\u8fc7SSH\u8fde\u63a5\u5e76\u8fd0\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt update\nsudo apt install fail2ban -y<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c06\u5b89\u88c5\u7248\u672c1.1\u3002\u5982\u679c\u4f7f\u7528CentOS\uff0c\u547d\u4ee4\u662f<code>sudo yum install epel-release && sudo yum install fail2ban<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa42\uff1a\u672c\u5730\u914d\u7f6e\u6587\u4ef6<\/h3>\n\n\n\n<p>\u4e0d\u8981\u76f4\u63a5\u7f16\u8f91<code>\/etc\/fail2ban\/jail.conf<\/code>\uff0c\u56e0\u4e3a\u5b83\u5728\u66f4\u65b0\u65f6\u4f1a\u88ab\u8986\u76d6\u3002\u521b\u5efa\u4e00\u4e2a\u672c\u5730\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local\nsudo nano \/etc\/fail2ban\/jail.local<\/code><\/pre>\n\n\n\n<p>\u5728\u91cc\u9762\uff0c\u627e\u5230<code>[DEFAULT]<\/code>\u90e8\u5206\u3002\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>ignoreip = 127.0.0.1\/8 ::1<\/code>\uff08\u6dfb\u52a0\u4f60\u7684\u529e\u516c\u5ba4IP\u6216VPN\uff0c\u4ee5\u514d\u628a\u81ea\u5df1\u9501\u5728\u5916\u9762\uff09\u3002<\/li><li><code>bantime = 3600<\/code>\uff081\u5c0f\u65f6\u5c01\u9501\u3002\u5bf9\u4e8e\u6301\u4e45\u653b\u51fb\uff0c\u4f7f\u752886400 = 24\u5c0f\u65f6\uff09\u3002<\/li><li><code>findtime = 600<\/code>\uff0810\u5206\u949f\u7a97\u53e3\u6765\u8ba1\u7b97\u5931\u8d25\u6b21\u6570\uff09\u3002<\/li><li><code>maxretry = 5<\/code>\uff08\u5c01\u9501\u524d\u5141\u8bb85\u6b21\u5931\u8d25\uff09\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa43\uff1a\u542f\u7528SSH\u76d1\u72f1<\/h3>\n\n\n\n<p>\u627e\u5230<code>[sshd]<\/code>\u90e8\u5206\uff0c\u5c06<code>enabled = false<\/code>\u6539\u4e3a<code>enabled = true<\/code>\u3002\u4fdd\u5b58\u5e76\u9000\u51fa\u3002<\/p>\n\n\n\n<p>\u91cd\u542fFail2Ban\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl restart fail2ban\nsudo systemctl enable fail2ban<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa44\uff1a\u9a8c\u8bc1\u5b83\u662f\u5426\u5de5\u4f5c<\/h3>\n\n\n\n<p>\u68c0\u67e5SSH\u76d1\u72f1\u72b6\u6001\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo fail2ban-client status sshd<\/code><\/pre>\n\n\n\n<p>\u4f60\u5e94\u8be5\u770b\u5230\u7c7b\u4f3c\u00bbStatus for the jail: sshd\u00bb\u7684\u4fe1\u606f\uff0c\u5e76\u5217\u51fa\u88ab\u5c01\u9501\u7684IP\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09\u3002\u8981\u6a21\u62df\u653b\u51fb\uff0c\u4ece\u53e6\u4e00\u4e2a\u7ec8\u7aef\u5c1d\u8bd5\u7528\u9519\u8bef\u5bc6\u7801SSH 5\u6b21\u3002\u7136\u540e\u8fd0\u884c\u72b6\u6001\u547d\u4ee4\uff0c\u4f60\u4f1a\u770b\u5230IP\u5728\u5217\u8868\u4e2d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528Fail2Ban\u4fdd\u62a4WordPress<\/h2>\n\n\n\n<p>WordPress\u662f\u5168\u7403\u653b\u51fb\u6700\u591a\u7684CMS\u3002Fail2Ban\u53ef\u4ee5\u76d1\u63a7Nginx\u6216Apache\u65e5\u5fd7\uff0c\u68c0\u6d4b\u5bf9<code>wp-login.php<\/code>\u548c<code>xmlrpc.php<\/code>\u7684\u653b\u51fb\u3002\u8fd9\u662f\u4e00\u4e2a\u5177\u4f53\u7684\u914d\u7f6e\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa41\uff1a\u521b\u5efa\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668<\/h3>\n\n\n\n<p>\u521b\u5efa\u6587\u4ef6<code>\/etc\/fail2ban\/filter.d\/wordpress.conf<\/code>\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>[Definition]\nfailregex = ^&lt;HOST&gt;.* \"POST \/wp-login.php HTTP\/.*\" 200\n            ^&lt;HOST&gt;.* \"POST \/xmlrpc.php HTTP\/.*\" 200\nignoreregex =<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4f1a\u6355\u83b7\u5bf9\u8fd9\u4e9bURL\u7684\u4efb\u4f55\u6210\u529fPOST\u8bf7\u6c42\uff08\u4ee3\u7801200\uff09\uff0c\u4f46\u901a\u5e38\u4f60\u4f1a\u60f3\u76d1\u63a7\u5931\u8d25\u3002\u6839\u636e\u4f60\u7684\u8bbf\u95ee\u65e5\u5fd7\uff08Nginx\u6216Apache\uff09\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa42\uff1a\u521b\u5efa\u76d1\u72f1<\/h3>\n\n\n\n<p>\u5728<code>\/etc\/fail2ban\/jail.local<\/code>\u672b\u5c3e\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>[wordpress]\nenabled = true\nport = http,https\nfilter = wordpress\nlogpath = \/var\/log\/nginx\/access.log\nmaxretry = 10\nfindtime = 30\nbantime = 3600<\/code><\/pre>\n\n\n\n<p>\u91cd\u542fFail2Ban\u5e76\u6d4b\u8bd5\u3002\u5982\u679c\u4f60\u7684\u7f51\u7ad9\u6536\u5230\u5f88\u591a\u5bf9<code>xmlrpc.php<\/code>\u7684\u653b\u51fb\uff0c\u8fd9\u4e2a\u76d1\u72f1\u4f1a\u5728\u51e0\u79d2\u949f\u5185\u963b\u6b62\u5b83\u4eec\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0eCloudflare\u53ca\u5176\u4ed6\u5de5\u5177\u7684\u96c6\u6210<\/h2>\n\n\n\n<p>\u57282026\u5e74\uff0c\u5b89\u5168\u4e0d\u662f\u5355\u4e00\u7684\u3002Fail2Ban\u53ef\u4ee5\u4e0eCloudflare\u96c6\u6210\uff0c\u5728DNS\u5c42\u9762\u963b\u6b62IP\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u670d\u52a1\u5668\u3002\u4f7f\u7528<code>cloudflare<\/code>\u64cd\u4f5c\uff08\u9700\u8981API\u4ee4\u724c\uff09\uff0c\u5f53Fail2Ban\u68c0\u6d4b\u5230\u653b\u51fb\u65f6\uff0c\u5b83\u4f1a\u5c06IP\u6dfb\u52a0\u5230Cloudflare\u7684\u963b\u6b62\u5217\u8868\u3002\u5982\u679c\u4f60\u4f7f\u7528CDN\u5e76\u60f3\u4fdd\u62a4\u6574\u4e2a\u8fb9\u7f18\uff0c\u8fd9\u5f88\u6709\u7528\u3002<\/p>\n\n\n\n<p>\u4f60\u4e5f\u53ef\u4ee5\u5c06\u5176\u4e0eMaldet\uff08\u6076\u610f\u8f6f\u4ef6\u68c0\u6d4b\uff09\u6216ModSecurity\uff08WAF\uff09\u7ed3\u5408\u3002Fail2Ban\u5145\u5f53\u5feb\u901f\u53cd\u5e94\u5c42\uff1b\u5176\u4ed6\u5de5\u5177\u662f\u9884\u9632\u6027\u7684\u3002\u5b83\u4eec\u4e00\u8d77\u5f62\u6210\u575a\u56fa\u7684\u76fe\u724c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ef4\u62a4\u548c\u6700\u4f73\u5b9e\u8df5<\/h2>\n\n\n\n<p>Fail2Ban\u4e0d\u662f\u00bb\u4e00\u52b3\u6c38\u9038\u00bb\u3002\u4e00\u4e9b\u5efa\u8bae\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u76d1\u63a7\u65e5\u5fd7<\/strong>\uff1a\u6bcf\u5468\u68c0\u67e5<code>\/var\/log\/fail2ban.log<\/code>\uff0c\u67e5\u770b\u662f\u5426\u6709\u8bef\u62a5\uff08\u5bf9\u5408\u6cd5IP\u7684\u5c01\u9501\uff09\u3002<\/li><li><strong>\u8c03\u6574\u65f6\u95f4<\/strong>\uff1a\u5982\u679c\u4f60\u7684\u56e2\u961f\u4ece\u52a8\u6001IP\u5de5\u4f5c\uff0c\u4f7f\u7528\u5e26\u6709VPN\u6216\u56fa\u5b9aIP\u7684<code>ignoreip<\/code>\u3002<\/li><li><strong>\u66f4\u65b0<\/strong>\uff1aFail2Ban\u63a5\u6536\u5b89\u5168\u8865\u4e01\u3002\u4f7f\u7528<code>sudo apt upgrade fail2ban<\/code>\u4fdd\u6301\u5305\u66f4\u65b0\u3002<\/li><li><strong>\u4e0d\u8981\u8fc7\u5ea6<\/strong>\uff1a\u8fc7\u4e8e\u6fc0\u8fdb\u7684\u5c01\u9501\uff08<code>bantime<\/code>\u4e3a1\u5e74\uff09\u53ef\u80fd\u4f1a\u4ea7\u751f\u96be\u4ee5\u64a4\u9500\u7684\u8bef\u62a5\u3002\u4ece1\u5c0f\u65f6\u5f00\u59cb\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba\uff1a\u4e3a\u4ec0\u4e48Fail2Ban\u57282026\u5e74\u4e0d\u53ef\u6216\u7f3a<\/h2>\n\n\n\n<p>\u81ea\u52a8\u5316\u653b\u51fb\u4e0d\u4f1a\u6d88\u5931\u3002\u76f8\u53cd\uff0c\u968f\u7740AI\u7684\u666e\u53ca\uff0c\u66b4\u529b\u7834\u89e3\u811a\u672c\u66f4\u5feb\u3001\u66f4\u96be\u68c0\u6d4b\u3002Fail2Ban\u4e0d\u662f\u9b54\u6cd5\u89e3\u51b3\u65b9\u6848\uff0c\u4f46\u5b83\u662f\u4efb\u4f55\u670d\u52a1\u5668\u7ba1\u7406\u5458\u5e94\u8be5\u5b9e\u65bd\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u5b83\u662f\u514d\u8d39\u7684\u3001\u5f00\u6e90\u7684\uff0c\u5e76\u4e14\u901a\u8fc730\u5206\u949f\u7684\u914d\u7f6e\uff0c\u4f60\u53ef\u4ee5\u5c06\u5165\u4fb5\u98ce\u9669\u964d\u4f4e90%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n<p>\u5728<strong>Boostify<\/strong>\uff0c\u6211\u4eec\u4e0e\u667a\u5229\u548c\u5df4\u897f\u7ba1\u7406\u5173\u952e\u57fa\u7840\u8bbe\u65bd\u7684\u5ba2\u6237\u5408\u4f5c\u3002\u6211\u4eec\u59cb\u7ec8\u63a8\u8350Fail2Ban\u4f5c\u4e3a\u57fa\u7840\u5806\u6808\u7684\u4e00\u90e8\u5206\uff0c\u4e0e\u9632\u706b\u5899\u548c\u6301\u7eed\u76d1\u63a7\u4e00\u8d77\u3002\u5982\u679c\u4f60\u9700\u8981\u5e2e\u52a9\u52a0\u56fa\u670d\u52a1\u5668\u6216\u5b9e\u65bd\u5168\u9762\u7684\u5b89\u5168\u7b56\u7565\uff0c<a href=\"https:\/\/boostify.cl\/contacto\">\u8054\u7cfb\u6211\u4eec<\/a>\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u4eca\u5929\u914d\u7f6eFail2Ban\u3002\u4f60\u7684\u670d\u52a1\u5668\u4f1a\u611f\u8c22\u4f60\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65e0\u4eba\u5bdf\u89c9\u7684\u65e0\u58f0\u5a01\u80c1\uff08\u76f4\u5230\u4e3a\u65f6\u5df2\u665a\uff09 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\u60f3\u8c61Fail2Ban\u662f\u4e00\u4e2a\u4e0d\u65ad\u8bfb\u53d6\u670d\u52a1\u5668\u65e5\u5fd7\u7684\u5b88\u536b\u3002\u5f53\u5b83\u68c0\u6d4b\u5230\u53ef\u7591\u6a21\u5f0f\u65f6\u2014\u2014\u4f8b\u598210\u5206\u949f\u51855\u6b21\u5931\u8d25\u7684SSH\u767b\u5f55\u5c1d\u8bd5\u2014\u2014\u5b83\u4f1a\u89e6\u53d1\u8b66\u62a5\u5e76\u5728\u5b9a\u4e49\u7684\u65f6\u95f4\u5185\u963b\u6b62\u653b\u51fb\u8005\u7684IP\u3002\u6280\u672f\u4e0a\uff0c\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\uff1a \u65e5\u5fd7\u76d1\u63a7\uff1a\u8bfb\u53d6\u5982\/var\/log\/auth.log\u6216\/var\/log\/nginx\/error.log\u7b49\u6587\u4ef6\u3002 \u8fc7\u6ee4\u5668\uff1a\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8bc6\u522b\u653b\u51fb\u6a21\u5f0f\uff08\u8ba4\u8bc1\u5931\u8d25\u3001\u626b\u63cf\u7b49\uff09\u3002 \u64cd\u4f5c\uff1a\u6267\u884c\u5982iptables -A INPUT -s [IP] -j DROP\u7b49\u547d\u4ee4\u6765\u963b\u6b62IP\u3002 \u76d1\u72f1\uff1a\u5c06\u8fc7\u6ee4\u5668\u4e0e\u64cd\u4f5c\u5173\u8054\u7684\u89c4\u5219\u3002\u6bcf\u4e2a\u670d\u52a1\uff08SSH\u3001WordPress\u3001FTP\uff09\u90fd\u53ef\u4ee5\u6709\u81ea\u5df1\u7684\u76d1\u72f1\u3002 \u5f53\u524d\u7248\u672cFail2Ban 1.1\uff08\u81ea2023\u5e74\u8d77\u7a33\u5b9a\uff09\u539f\u751f\u652f\u6301nftables\uff0c\u5e76\u5bf9\u9ad8\u5bb9\u91cf\u65e5\u5fd7\u6709\u6027\u80fd\u6539\u8fdb\u3002\u52302026\u5e74\uff0c\u5b83\u4ecd\u7136\u662fLinux\u670d\u52a1\u5668\u4e0a\u7684\u6807\u51c6\u5de5\u5177\uff0c\u56e0\u4e3a\u5176\u9ad8\u6548\u548c\u4f4e\u8d44\u6e90\u6d88\u8017\u3002 \u771f\u5b9e\u6848\u4f8b\uff1aFail2Ban\u963b\u6b62\u4e86\u4ec0\u4e48 1. SSH\u66b4\u529b\u7834\u89e3\u653b\u51fb \u4e00\u4e2a\u6765\u81ea\u4e2d\u56fd\u6216\u4fc4\u7f57\u65af\u7684\u673a\u5668\u4eba\u626b\u63cf\u516c\u5171IP\u5730\u5740\uff0c\u6d4b\u8bd5\u5e38\u89c1\u7ec4\u5408\u5982root:admin\u6216user:123456\u3002\u6ca1\u6709Fail2Ban\uff0c\u5b83\u572824\u5c0f\u65f6\u5185\u53ef\u4ee5\u5c1d\u8bd5\u6570\u5343\u79cd\u7ec4\u5408\u3002\u6709\u4e86Fail2Ban\uff0c\u57285\u5206\u949f\u51853\u6b21\u5931\u8d25\u5c1d\u8bd5\u540e\uff0cIP\u88ab\u5c01\u95011\u5c0f\u65f6\u3002\u673a\u5668\u4eba\u653e\u5f03\u5e76\u8f6c\u5411\u4e0b\u4e00\u4e2a\u76ee\u6807\u3002 2. WordPress\u653b\u51fb\uff08xmlrpc.php\uff09 WordPress\u7684xmlrpc.php\u6587\u4ef6\u662f\u4e00\u4e2a\u7ecf\u5178\u5411\u91cf\u3002\u653b\u51fb\u8005\u53d1\u9001\u5927\u91cfPOST\u8bf7\u6c42\u6765\u6d4b\u8bd5\u51ed\u636e\u3002Fail2Ban\u53ef\u4ee5\u76d1\u63a7Nginx\u6216Apache\u65e5\u5fd7\uff0c\u5e76\u963b\u6b62\u572830\u79d2\u5185\u4ea7\u751f\u8d85\u8fc710\u6b21\u5bf9xmlrpc.php\u8bf7\u6c42\u7684IP\u3002\u8fd9\u5bf9\u4e8e\u5904\u7406\u654f\u611f\u6570\u636e\u7684\u7f51\u7ad9\u81f3\u5173\u91cd\u8981\u3002 3. \u4f7f\u7528nmap\u8fdb\u884c\u7aef\u53e3\u626b\u63cf \u50cfnmap\u8fd9\u6837\u7684\u5de5\u5177\u53ef\u4ee5\u68c0\u6d4b\u5f00\u653e\u670d\u52a1\u3002Fail2Ban\u901a\u8fc7\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\u8bc6\u522b\u5feb\u901f\u626b\u63cf\uff08SYN\u626b\u63cf\uff09\uff0c\u5e76\u5728\u653b\u51fb\u8005\u5b8c\u6210\u6620\u5c04\u4e4b\u524d\u963b\u6b62IP\u3002DigitalOcean\u5728\u5176\u5b89\u5168\u6307\u5357\u4e2d\u8bb0\u5f55\u7684\u4e00\u4e2a\u6848\u4f8b\u663e\u793a\uff0cFail2Ban\u5728\u751f\u4ea7\u670d\u52a1\u5668\u4e0a\u5c06\u672a\u6388\u6743\u8bbf\u95ee\u5c1d\u8bd5\u51cf\u5c11\u4e8695%\u3002 \u9010\u6b65\u914d\u7f6e\uff1a\u4ece\u96f6\u5230\u52a0\u56fa \u6211\u5047\u8bbe\u4f60\u6709\u4e00\u4e2aUbuntu 24.04 LTS\u670d\u52a1\u5668\uff08\u6216\u7c7b\u4f3c\u7cfb\u7edf\uff09\u3002Debian\u3001CentOS\u6216Rocky Linux\u7684\u914d\u7f6e\u51e0\u4e4e\u76f8\u540c\uff0c\u53ea\u662f\u5305\u7ba1\u7406\u5668\u4e0d\u540c\u3002 \u6b65\u9aa41\uff1a\u5b89\u88c5 \u901a\u8fc7SSH\u8fde\u63a5\u5e76\u8fd0\u884c\uff1a \u8fd9\u5c06\u5b89\u88c5\u7248\u672c1.1\u3002\u5982\u679c\u4f7f\u7528CentOS\uff0c\u547d\u4ee4\u662fsudo yum install epel-release &#038;&#038; sudo yum install fail2ban\u3002 \u6b65\u9aa42\uff1a\u672c\u5730\u914d\u7f6e\u6587\u4ef6 \u4e0d\u8981\u76f4\u63a5\u7f16\u8f91\/etc\/fail2ban\/jail.conf\uff0c\u56e0\u4e3a\u5b83\u5728\u66f4\u65b0\u65f6\u4f1a\u88ab\u8986\u76d6\u3002\u521b\u5efa\u4e00\u4e2a\u672c\u5730\u6587\u4ef6\uff1a \u5728\u91cc\u9762\uff0c\u627e\u5230[DEFAULT]\u90e8\u5206\u3002\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570\uff1a ignoreip = 127.0.0.1\/8 ::1\uff08\u6dfb\u52a0\u4f60\u7684\u529e\u516c\u5ba4IP\u6216VPN\uff0c\u4ee5\u514d\u628a\u81ea\u5df1\u9501\u5728\u5916\u9762\uff09\u3002 bantime = 3600\uff081\u5c0f\u65f6\u5c01\u9501\u3002\u5bf9\u4e8e\u6301\u4e45\u653b\u51fb\uff0c\u4f7f\u752886400 = [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":752,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[71,63],"tags":[81,78,82,84,85,79,80,83,86],"class_list":["post-756","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seguridad","category-tecnologia","tag-ciberseguridad","tag-fail2ban","tag-fuerza-bruta","tag-linux","tag-open-source","tag-seguridad","tag-servidor","tag-ssh","tag-wordpress"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/posts\/756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/comments?post=756"}],"version-history":[{"count":0,"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/posts\/756\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/media\/752"}],"wp:attachment":[{"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/media?parent=756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/categories?post=756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boostify.cl\/blog\/wp-json\/wp\/v2\/tags?post=756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}