关闭防火墙 systemctl stop firewalld.service 开启防火墙： systemctl start firewalld.service 关闭开机启动： systemctl disable firewalld.service 开启开机启动： systemctl enable firewalld.service
centos 7 关闭防火墙
原文：https://www.cnblogs.com/yanxiatingyu/p/9782646.html
