基于状态包过滤的防火墙技术  

Firewalling technology based on the stateful packet filtering

作　　者：朱鹏[1] 

机构地区：[1]东华大学

出　　处：《微计算机信息》2005年第3期197-198,共2页Control & Automation

摘　　要：本文首先介绍了防火墙的基本技术-—包过滤的工作原理。通过一个防火墙构建实例,显示了传统包过滤的局限性,进而引人状态包过滤的概念,最后对其工作原理和实现的关键部分进行分析。This paper introduces the principle of the Packet Filtering (PF) , which is the fundamental technology of Firewalling . Then, the paper shows the limitations of the traditional Packet Filtering by a case of building a firewall system. Furthermore, the concept of Stateful Packet Filtering (SPF) is introduced , and the Implementation of the SPF is analyzed finally.

关 键 词：防火墙 包过滤 状态包过滤 

分 类 号：TP393.08[自动化与计算机技术—计算机应用技术]