linux firewalld 防火墙开放3306端口
centos 1-检查是否开启了防火墙 systemctl status firewalld.service 2.查询指定端口是否已开启 firewall-cmd --query-port=3306/tcp ![](http://static.51tbox.com/static/2024-08-29/col/c64f475aa68b41797479...
centos 1-检查是否开启了防火墙 systemctl status firewalld.service 2.查询指定端口是否已开启 firewall-cmd --query-port=3306/tcp ![](http://static.51tbox.com/static/2024-08-29/col/c64f475aa68b41797479...