linux查看防火墙命令-两种版本

red hat64 centos7 防火墙命令
1.查看防火状态
systemctl status firewalld
service  iptables status
2.暂时关闭防火墙
systemctl stop firewalld
service  iptables stop
3.永久关闭防火墙
systemctl disable firewalld
chkconfig iptables off
4.重启防火墙
systemctl enable firewalld
service iptables restart  
5.永久关闭后重启
chkconfig iptables on