查看防火墙状态 systemctl status firewalld 开启防火墙 systemctl start firewalld 关闭防火墙 systemctl stop firewalld 开机禁用 systemctl disable firewalld 开机启用 systemctl enable firewalld 防火墙服务是否开机启动 systemctl is-enabled firewalld 查询已经启动的服务列表 systemctl list-unit-files|grep enabled 查询启…