计算机网络与防火墙技术论文.docx

计算机网络与防火墙技术论文

第一篇：计算机网络与防火墙技术论文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-networkSecurityandFirewallTechnologyZhangShuaiComputerCollegeGrade06Instructor:PuJingAbstract:Thisarticlebyacomputernetworksecurityissues,analyzesnetworksecuritymajorthreats,andprotectthenetworksecuritykeytechnologies.Proposedcomputernetworkfirewallsecuritysystemisthecoreidea,andhighlightsthefirewallrelatedtechnologies.Atthesametime,showsthefirewallisnotapanacea,pointsoutthedeficienciesinfirewalltechnology,andonthecurrentstatusoffirewalltechnology,thatfuturefirewalltechnology'sdevelopment.Keywords：computer-network;security;key-technology;deficiencies;firewall1目录中文摘要····························································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················································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···············································322.3实现计算机安全的关键技术···································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························