1、查看防火前状态：/etc/init.d/iptables status
2、开斤泰启防火墙：/etc/init.d/iptables start
3、关闭防蕉耕争火墙：/etc/init.d/iptables stop
4、设置防火墙开侨宙机不起动： chkconfig iptables off
1、开启防火墙：systemctl start firewalld
2、看防火前状态：firewall-cmd --state
3、关闭防火墙：systemctl stop firewalld
4、关闭防火墙开机启动：systemctl disable firewalld
5、查看防火墙开机启动状态：systemctl list-unit-files|grep firewalld
