CentOS下iptables防火墙基本操作教程

CentOS下iptables防火墙的基本操作命令：

查询防火墙状态:

  [[email protected] ~]# service iptables status

停止防火墙

  [[email protected] ~]# service iptables stop

启动防火墙

  [[email protected] ~]# service iptables start

重启防火墙

  [[email protected] ~]# service iptables restart

关闭防火墙

  [[email protected] ~]# chkconfig iptables off

启用防火墙

  [[email protected] ~]# chkconfig iptables on

示例：配置iptables，打开80端口。

  [[email protected] ~]# iptables -I INPUT -p tcp --dport 80 -j ACCEPT  [[email protected] ~]# service iptables save