1.查看防火墙状态
systemctl status firewalld
或者
systemctl status firewalld.service
2.关闭防火墙
systemctl stop firewalld.service
3.启动防火墙
systemctl start firewalld.service
4.开机自动关闭
systemctl disable firewalld.service
5.开机自动启动
systemctl enable firewalld
6.查看是否开机自动启动
chkconfig --list|grep network
或者参考selinux操作，如下图：
