查看防火墙服务状态:systemctl status firewalld
开启防火墙:service firewalld start
关闭防火墙:service firewalld stop
重启防火墙:service firewalld restart
永久关闭防火墙:systemctl disable
查看防火墙服务状态:systemctl status firewalld
开启防火墙:service firewalld start
关闭防火墙:service firewalld stop
重启防火墙:service firewalld restart
永久关闭防火墙:systemctl disable