计算机网络与防火墙技术论文.doc

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1、计算机网络安全与防火墙技术张帅计算机学院计算机科学与技术(师范)专业06级指导教师：蒲静摘要:本文由计算机网络安全问题出发，分析了网络安全面临的主要威胁，及保护网络安全的关键技术，提出了防火墙是计算机网络安全体系的核心的观点，并着重介绍了防火墙的相关技术。同时，说明了防火墙并不是万能的，指出了防火墙技术的缺陷，并就现今防火墙技术的现状，提出未来防火墙技术的发展设想。关键词：计算机网络；安全；关键技术；缺陷；防火墙Computer-networkSecurityandFirewallTechnologyZhangShuaiComputerCollegeGrade

2、06Instructor:PuJingAbstract:Thisarticlebyacomputernetworksecurityissues,analyzesnetworksecuritymajorthreats,andprotectthenetworksecuritykeytechnologies.Proposedcomputernetworkfirewallsecuritysystemisthecoreidea,andhighlightsthefirewallrelatedtechnologies.Atthesametime,showsthefirewa

3、llisnotapanacea,pointsoutthedeficienciesinfirewalltechnology,andonthecurrentstatusoffirewalltechnology,thatfuturefirewalltechnology'sdevelopment.Keywords：computer-network;security;key-technology;deficiencies;firewall11目录中文摘要···························································

4、·1英文摘要····························································1目录································································21绪论······························································32计算机网络安全的主要问题··········································32.1网络安全的定义·················

5、·······························32.2网络安全面临的主要威胁········································32.2.1计算机病毒的侵袭···········································32.2.2黑客侵袭···················································32.2.3拒绝服务攻击···············································322.311实现计算机安全的关键技术·

6、··································42.3.1数据加密···················································42.3.2认证·······················································42.3.3入侵检测技术···············································42.3.4防病毒技术·················································42.3.5

7、文件系统安全···············································42.3.6防火墙技术·················································43防火墙概述························································43.1防火墙概念····················································43.2防火墙的主要功能··································

8、············53.2.1强