linux 查看防火墙状态

1.查看防火墙状态

systemctl status firewalld

firewall-cmd --state #查看默认防火墙状态（关闭后显示notrunning，开启后显示running）

 

2.查看防火墙是否开机启动

systemctl is-enabled firewalld

3.关闭防火墙

systemctl stop firewalld

systemctl stop firewalld.service

systemctl status firewalld

4.禁用防火墙（系统启动时不启动防火墙服务）

systemctl disable firewalld

systemctl disable firewalld.service

systemctl is-enabled firewalld