查看防火墙状态: systemctl status firewalld.service
执行关闭命令: systemctl stop firewalld.service
再次执行查看防火墙命令:systemctl status firewalld.service
执行开机禁用防火墙自启命令 : systemctl disable firewalld.service
查看防火墙状态: systemctl status firewalld.service
执行关闭命令: systemctl stop firewalld.service
再次执行查看防火墙命令:systemctl status firewalld.service
执行开机禁用防火墙自启命令 : systemctl disable firewalld.service