Linux学习笔记0-CentOS7关闭防火墙

关闭防火墙

systemctl stop firewalld.service     //停止firewall
systemctl disable firewalld.service     //禁止firewall开机启动
firewall-cmd --state     //查看默认防火墙状态（关闭后显示notrunning，开启后显示running）