Centos7关闭防火墙
查看防火墙状态: systemctl status firewalld 关闭防火墙: systemctl stop firewalld 开启防火墙: systemctl start firewalld 将关闭防火墙设置为开机启动: systemctl disable firewalld.service 查看开机状态: systemctl list-unit-files 比如查看防火墙开机状态: systemctl list-unit-files | grep firewalld 来源: https://www.cnblogs.com/z-qinfeng/p/11892662.html