计算机网络系统的安全与防火墙

Safety of Computer Network System and Fire Wall

随着计算机网络系统的飞速发展和广泛应用，网络及信息安全问题越来越受到人们的高度重视。本文分析了网络信息安全的主要问题及对策，对防火墙的功能及应用作了说明。

With the development and broad qpplication of computer network system,the safe question of network and information is attched more and more importance by people.This paper analyzes the main problem and its countermeasures about network information safety and also gives a description about function and application of fire wall.