Linux服务器防火墙配置及开放端口 - How to open Linux port and firewall setting
Linux服务器端口开放防火墙安装和启动centos 7及以上默认安装了防火墙如果没有安装，输入一下命令进行安装yum -y install firewalld查看防火墙状态systemctl status firewalld ● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/...