防火墙技术及发展

Technology & Development of Fire-wall

防火墙技术是目前最为流行也是使用最为广泛的一种网络安全技术。本文首先分析了传统防火墙的技术特点 ,指出其在保障网络安全方面的诸多缺陷。然后针对其缺陷 ,介绍了三种新型防火墙技术 :分布式防火墙技术 ,基于智能防火墙Intranet网络的安全技术 ,基于信任模型的防火墙安全防范体系 ,并对各种新型防火墙技术的结构特征、工作原理。

Fire-wall technology is one of the Internet security technologies that are favorite and are widely used. This article first analyzes the character and weakness of the traditional fire walls,then introduces three new type firewall technologies : Distributed Firewall Technology , Intranet Safety Technology on Intelligent Fire-wall, Firewall Grope Security Protection Architecture based on Trust Mode , and analyzes their structure characters and work methods in detail.