Fedora CentOS 系统下有效
安装fail2ban服务
dnf install fail2ban -y
设置开机启动
systemctl enable fail2ban
启动服务
systemctl start fail2ban
编辑文件
vim /etc/fail2ban/jail.conf
...
...
...
[ssh]
enabled = true
filter = sshd
logpath = /var/log/secure
maxretry = 1
findtime = 300
bantime = 86400
ignoreip = 192.168.1.1/24,192.168.0.1/24
重启fail2ban
systemctl restart fail2ban