xuwl_0125的博客

转载 centos8开放端口防火墙

查看防火墙某个端口是否开放firewall-cmd --query-port=3306/tcp开放防火墙端口3306firewall-cmd --zone=public --add-port=3306/tcp --permanent注意：开放端口后要重启防火墙生效重启防火墙systemctl restart firewalld关闭防火墙端口firewall-cmd --remove-port=3306/tcp --permanent查看防火墙状态systemctl status fire