linux开启与关闭防火墙

service iptables stop/start/status

 

在CentOS 7或RHEL 7或Fedora中防火墙由firewalld来管理

关闭防火墙命令：systemctl stop firewalld.service

开启防火墙：systemctl start firewalld.service

关闭开机自启动：systemctl disable firewalld.service

开启开机启动：systemctl enable firewalld.service