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