摘要： 目前占主流的防火墙都是基于软件来实现的，通过各种技术组合可以达到比较高的安全级别．但是软件防火墙始终存在着一些无法避免的安全性问题，而基于硬件实现的防火墙则可以比较好地解决这些问题．该文将详细介绍一种基于硬件的防火墙技术─Ｈａｒｄｗａｌｌ。

关键词: 防火墙, 安全, 硬件

Abstract: Following the development of Internet. security of information became an extrude problem in network world. Firewall Technology is one of means to protect information. Now most firewalls are implemented on the base of software. But these firewalls have some inextricable problems. and a firewall based on hardware can solve these problems. So in this article. we introduce a kind of technology of implementing firewall which base on hardware-Hardwall.

中图分类号: 

• TP309