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