摘要： 针对网络安全存在的问题，介绍如何利用防火墙技术加强网络安全与管理，详细讨论了报文过滤和代理服务器防火墙的功能与技术实施.

关键词: 防火墙, 报文过滤, 代理服务器

Abstract: This paper focuses on how to utilize firewall to strengthen network security and management. In the paper,the functionality and implementation of packet filtering and proxy server firewall technologies are discussed in details.

中图分类号: 

• TP393