Centos7防火墙的关闭、开启、开机定义

关闭防火墙：service systemctl stop firewalld.service防火墙 开启防火墙：margin systemctl start firewalld.servicetop 关闭开机启动：di systemctl disable firewalld.servicevi 开启开机启动：co systemctl enable firewalld.servicebackgrou

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