CentOS 7 firewall防火墙命令

一、开启服务 

# systemctl start firewalld.service

二、关闭防火墙

# systemctl stop firewalld.service

三、开机自动启动

# systemctl enable firewalld.service

四、关闭开机制动启动

# systemctl disable firewalld.service

 

五、查看状态

#systemctl status firewalld