Linux-防火墙-阻止ssh暴力测试

#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