基于防火墙的网络安全技术  

Network security technology based on firewall

作　　者：商娟叶[1] 刘静[2] 

机构地区：[1]西安外事学院,陕西西安710077 [2]西安广播电视大学,陕西西安710002

出　　处：《电子设计工程》2010年第6期133-135,共3页Electronic Design Engineering

摘　　要：为了在不安全的网际环境中构造一个相对安全、经济的子网环境,针对当前日益突出的网络安全问题,在防火墙基本概念、作用及基本类型的基础上,重点分析选择防火墙原则、如何组织架构防火墙,以图解方法阐述通过外部防火墙和内部防火墙的部署,有效防范外部网络的攻击行为,在内部制定完善的安全访问策略,完成防火墙在网络中的具体实现方案,使得整个网络具有较高的安全级别,力争将网络安全的车轮向前推进一步。In order to construct a relatively safe,economical sub-network environment in an insecure internet environment, in the light of the increasing network security issues,based on the introduction of the basic concepts,roles and types of firewall,this paper mainly discusses how to choose the firewall principles,how to organize the structure of a firewall,and it illustrates the external and internal firewall deployment based on graphical description ,in order to effectively prevent the outside attacks,it makes well-developed in-house security access policies and realize the concrete firewall program, trying to make a further progress concerning network security and a higher security level of a whole network possible.

关 键 词：防火墙 包过滤 代理服务器 状态监视 屏蔽路由器 

分 类 号：TP393.08[自动化与计算机技术—计算机应用技术]