linux防火墙相关命令

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  

 

防火墙添加端口：

vi /etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8081 -j ACCEPT
service iptables restart