停止firewall服务
systemctl stop firewalld.service
禁止firewall开机启动
systemctl disable firewalld.service
1、关闭防火墙:
systemctl stop firewalld.service
2、开启防火墙:
systemctl start firewalld.service
3、关闭开机启动:
systemctl disable firewalld.service
4、开启开机启动:
systemctl enable firewalld.service