centos 7 防火墙设置端口

centos7 默认是使用firewalld作为防火墙systemctl start firewalld //开启服务 systemctl stop firewalld //关闭防火墙 systemctl enable firewalld//开机自启动 systemctl disable firewalld //关闭开机自启动 使用firewall-cmd进行管理firewall-cmd --st

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