Linux 关闭防火墙-启动防火墙-永久关闭

1:查看防火状态

systemctl status firewalld

绿的running表示防火墙开启

2:暂时关闭防火墙

systemctl stop firewalld

黑的 dead 表示防火墙关闭

3：启动防火墙

systemctl start firewalld

4:开机禁用防火墙自启

systemctl disable firewalld

5:防火墙随系统开启启动

systemctl enable firewalld