centos设置防火墙

1.查看firewalld状态

systemctl status firewalld.service

2.关闭防火墙

systemctl stop firewalld

3.开启防火墙

systemctl start firewalld

4.开机自动关闭防火墙

systemctl disable firewalld

5.查看开机是否启动防火墙

chkconfig --list|grep network

6.开机自动启动防火墙

systemctl enable firewalld