linux关闭防火墙

centos7关闭防火墙：

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  

参考：https://blog.csdn.net/qq_35971258/article/details/79318842