centos7防火墙配置

1、查看firewall服务状态 systemctl status firewalld 2、查看firewall的状态 firewall-cmd --state   3、开启、重启、关闭、firewalld.service服务 1:查看防火状态 systemctl status firewalld 2:暂时关闭防火墙 systemctl stop firewalld 3:永久关闭防

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