Linux防火墙

一、查看防火墙状态

1、service iptables status
2、systemctl status firewalld

二、关闭防火墙：

systemctl stop firewalld.service

关闭 开机自启动：systemctl disable firewalld.service

三、开启防火墙

systemctl start firewalld.service

开启 开机启动：systemctl enable firewalld.service