CentOS下iptables防火墙基本操作教程-主机阁

CentOS下iptables防火墙的基本操作命令：

查询防火墙状态:

   [root@localhost ~]# service <a href="https://www.zhujige.net/tag/ip" title="ipflickr.photos.notes.edit rel="nofollow">ip</a>tables status

1	[root@localhost ~]# service iptables status

停止防火墙

   [root@localhost ~]# service <a href="https://www.zhujige.net/tag/ip" title="ipflickr.photos.notes.edit rel="nofollow">ip</a>tables stop

1	[root@localhost ~]# service iptables stop

启动防火墙

   [root@localhost ~]# service <a href="https://www.zhujige.net/tag/ip" title="ipflickr.photos.notes.edit rel="nofollow">ip</a>tables start

1	[root@localhost ~]# service iptables start

重启防火墙

   [root@localhost ~]# service <a href="https://www.zhujige.net/tag/ip" title="ipflickr.photos.notes.edit rel="nofollow">ip</a>tables restart

1	[root@localhost ~]# service iptables restart

关闭防火墙

   [root@localhost ~]# chkconfig <a href="https://www.zhujige.net/tag/ip" title="ipflickr.photos.notes.edit rel="nofollow">ip</a>tables off

1	[root@localhost ~]# chkconfig iptables off

启用防火墙

   [root@localhost ~]# chkconfig <a href="https://www.zhujige.net/tag/ip" title="ipflickr.photos.notes.edit rel="nofollow">ip</a>tables on

1	[root@localhost ~]# chkconfig iptables on

示例：配置iptables，打开80端口。

   [root@localhost ~]# <a href="https://www.zhujige.net/tag/ip" title="ipflickr.photos.notes.edit rel="nofollow">ip</a>tables -I INPUT -p tcp –dport 80 -j ACCEPT  [root@localhost ~]# service <a href="https://www.zhujige.net/tag/ip" title="ipflickr.photos.notes.edit rel="nofollow">ip</a>tables save