centos查看和修改防火墙状态

centos查看和修改防火墙状态

1、查看状态

sudo systemctl status firewalld

2、关闭防火墙

sudo systemctl stop firewalld

3、启动防火墙

sudo systemctl start firewalld

4、开机禁止启动防火墙

sudo systemctl disable firewalld.service

5、开机自启动防火墙

sudo systemctl enable firewalld.service