基于VB的软件防火墙系统的设计与开发

随着网络安全问题日益严重,网络安全产品也被人们重视起来。防火墙作为最早出现的网络安全产品和使用量最大的安全产品,也受到用户和研发机构的青睐。本文对防火墙的原理以及分类、作用进行了详细的介绍,并重点阐述了防火墙系统重要模块的设计实现。

Research and Development of Firewall System Based on VB Technology

With the growing problem of network security,network security products have been paid great attention to.Firewall as the first appeared network security product and the largest usage amount of security product,is also favored by users and research and development institutions.This paper describes the principle,classification and function of firewall in detail,and focuses on the the important module design and implementation of the firewall system.