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

chkconfig iptables on 

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