摘要
防火墙是网络安全的关键技术 ,其核心思想是在不安全的网络环境中构造一个相对安全的子网环境。本文讨论了实现防火墙的主要技术手段 ,重点阐述了现行防火墙的功能、类型。
The firewall is the linchpin upon which network security depends. This article mainly deals with the functions? types and safeguards of the present firewall and its development as well.
出处
《电子科技大学学报(社科版)》
2002年第1期5-7,共3页
Journal of University of Electronic Science and Technology of China(Social Sciences Edition)