启动防火墙

systemctl start firewalld.service

关闭防火墙

systemctl stop firewalld.service

重启防火墙

service firewalld restart

查看防火墙状态

firewall-cmd --state

配置立即生效

firewall-cmd --reload

开放端口

firewall-cmd --zone=public --add-port=5672/tcp --permanent

关闭端口

firewall-cmd --zone=public --remove-port=5672/tcp --permanent