用Linux防火墙作代理服务器在校园网中的应用

Using Linux Firewall Make Proxy Server in Campus Network Application

本文主要叙述了代理服务器的原理及功能，然后以Ｌｉｎｕｘ环境为例，阐述了代理服务器的硬件配置，如ＰＣ机的配置、网卡的配置，以及软件的安装方法，主要是包过滤防火墙软件ＩＰＦＷＡＤＭ和ＳＯＣＫＳ代理服务器软件的安装和配置方法，同时采用Ｌｉｎｕｘ防火墙有效的伪装Ｉｎｔｒａｎｅｔ内的ＩＰ，使内网用户可防御域黑客攻击。

This paper narrate principle and function of proxy server. For instance Linux System, we expatia e its hardware config of using proxy server. Like config of PC computer and network card, and installation method of soft ware. Main is installation and config method of package filtration firewall software IPFWADM and Proxy server software SOCKS. Meanwhile using Linux cau effectively pretend IP in Intranet, make inner network user resist hacker attack.