怎么使用Fail2ban保护Linux服务器免受攻击

安装Fail2ban，配置iptables规则，监控日志文件，自动封禁恶意IP，保护服务器安全。

Fail2ban是一个用于保护Linux服务器免受暴力破解攻击的工具，它通过监控系统日志，识别并阻止恶意尝试访问服务器的行为，以下是如何使用Fail2ban保护Linux服务器的详细步骤：

1、安装Fail2ban

在Debian/Ubuntu系统上，使用以下命令安装Fail2ban：

sudo aptget update
sudo aptget install fail2ban

在CentOS/RHEL系统上，使用以下命令安装Fail2ban：

sudo yum install epelrelease
sudo yum install fail2ban

2、配置Fail2ban

配置文件位于/etc/fail2ban/jail.conf，你可以根据需要修改此文件，以下是一些常用的配置选项：

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