centos7中，可利用systemctl命令来关闭防火墙，语法“systemctl stop firewalld.service”；还可利用“systemctl disable firewalld.service”语句禁止防火墙开机启动。

关闭防火墙systemctl stop firewalld.service禁止防火墙开机自启systemctl disable firewalld.service推荐教程：centos教程以上就是centos7系统如何彻底关闭防火墙的详细内