防火墙技术与网络安全

Technology of Firewall and Network Security

介绍了防火墙的概念及作用 ,总结了其基本类别与系统构成 ,并对防火墙的安全策略、包过滤规则做了进一步分析 ,指出了防火墙的局限性并提出了网络安全的一体化解决方案。

This paper introduces the concept and function of firewall, and summarizes the basic classification and system constitution of firewall. The artice also further analyzes the security strategy and packet filters rules of firewall. Furthermore the author indicates the limit of firewall and puts forward the integrally solving scheme of network security.