查看防火墙状态
[root@node1 ~]# firewall-cmd --state
关闭防火墙
[root@node1 ~]# systemctl stop firewalld.service
开启防火墙
[root@node1 ~]# systemctl start firewalld.service
禁止防火墙开机启动
[root@node1 ~]# systemctl disable firewalld.service
激活防火墙开机启动
[root@node1 ~]# systemctl enable firewalld.service
