1:查看防火状态

**systemctl status firewalld**

**service  iptables status**

2:暂时关闭防火墙

systemctl stop firewalld

service  iptables stop

3:永久关闭防火墙

systemctl disable firewalld

chkconfig iptables off

4:重启防火墙

systemctl enable firewalld

service iptables restart

5:永久关闭后重启

//暂时还没有试过

chkconfig iptables on

04-23 08:25