linux防火墙命令

• 查看防火墙状态

systemctl status firewalld

• 开启防火墙

systemctl start firewalld.service

• 关闭防火墙

systemctl stop firewalld.service

• 开启防火墙端口

firewall-cmd --zone=public --add-port=8080/tcp --permanent

• 查看所有端口

firewall-cmd --list-ports

• 重启防火墙

systemctl restart firewalld.service