centos7 关闭防火墙
1、firewall相关的操作 查看防火墙状态
firewall-cmd --state
关闭防火墙
systemctl stop firewalld.service
开启防火墙
systemctl start firewalld.service
禁止开机启动启动防火墙
systemctl disable firewalld.service
?centos7 关闭防火墙
原文：https://www.cnblogs.com/yjm0330/p/10118284.html
