查看防火墙状态:

systemctl status firewalld

开启防火墙

systemctl start firewalld

查询列表信息

firewall-cmd --list-all

添加需要开放的端口号

firewall-cmd --zone=public --add-port=15672/tcp --permanent

移除端口

firewall-cmd --remove-port=3306/tcp  --permanent

使更改生效。

firewall-cmd --reload    

暂时关闭防火墙

systemctl stop firewalld

永久关闭防火墙

systemctl disable firewalld

重启防火墙

systemctl enable firewalld
systemctl restart firewalld
service iptables restart

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