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常州纺织学院毕业论文（设计说明书）(13届)题目：计算机维修与维护姓名：卞芳芳系别：电子系专业班级：08计算机高级班指导老师：姜芹完成时间：2012.3.14常州纺织学院计算机系毕业论文AbstractDevelopsunceasinglyalongwiththecomputernetworkandpopularizes,thecomputernetworkhasbroughttheinfiniteresources,butthefollowingnetworksecurityproblemalsoappearsespeciallyimportant.ThearticleintroducedwithemphasisbasedontheWINDOWSsystemenvironmentmiddleandsmallscalenetworksafetycontrolandviralpreventionsomestrategies.Alongwiththeinformationizationunceasingdevelopment,theonlineeditionapplicationsoftwarepromotionapplication,thecomputernetworkisraisingthedatatransmissionefficiency,aspectsandsoondatasharingisplayingmoreandmorevitalrole,toguaranteeeachworkthesecurityhighlyeffectivemovement,guaranteenetworksecurityandsystem'snormaluse.Thisarticleinviewoflocalareanetwork'sinformationsecurityandthefirewallsafetywork'sclassificationandthemajortechniquecharacteristic,unifiesownunderstanding,fromanalyzeslocalareanetwork'ssecurityrequirementstostart,thenetworksecuritywasoppositeourreallifealreadyisessential,butinthecyberspacecyberspacealsohadvarioushiddendangers.Forexample:Theunlawfulmeansstealsthesecretdatadestructionsystem,themaliciousdeceitandeachkindofvirus.Inordertopreventtheviralinvasionlocalareanetwork,butdesignedtheanti-poisonsoftware,thefirewall,methodsandsooninvasionmonitortechnologytopreventthenetworkvirus.Thereforewemustpayattentiontothecomputernetworksafeconstructionarealsofrequentlyveryimportant.Keywords:networksecuritysecurityWindowssecurityvirus常州纺织学院计算机系毕业论文目录毕业论文..................................错误!未定义书签。Abstract.............................................................................................................................1引言..............................................错误!未定义书签。第一章计算机网络安全的概述.......................................41.1计算机网络安全的定义.....................................................................................................41.2计算机网络安全的属性...................................................................................................41.3计算机网络安全机制.......................................................................................................41.3.1网络安全技术机制...............................................................................................51.3.2网络安全管理机制...............................................................................................51.4局域网中计算机网络存在的安全隐患.....................................................................5第二章网络安全需求..............................................52.1网络的基本安全需求.........................................................................................................52.2应用系统的安全需求........................................................................................................62.3平台安全的需求................................................................................................................62.4网络层解决方案................................................................................................................72.5应用层解决方案................................................................................................................82.6平台解决方案....................................................................................................................9第三章中小型公司局域网中计算机安全配置及防范.....................93.1系统的安装........................................................................................................................93.2系统用户管理和登录........................................................................................................93.2.1系统用户帐号.......................................................................................................93.2.2加强密码安全及设置密码规则..........................................................................103.3系统的安全配置..............................................................................................................103.3.1Windows系统安全设置.......................................................................................103.3.2账户安全策略设置..............................................................................................104.3.4Windows注册表分析与维护..............................................................................103.3.5关闭不必要的端口..............................................................................................12第四章病毒防护.................................................124.1计算机病毒的定义..........................................................................................................124.2计算机病毒的组成与分类.............................................................................................124.3病毒的检测、清除和防范.............................................................................................134.3.1病毒的检测..........................................................................................................134.3.2病毒的清除..........................................................................................................134.3.3计算机病毒的防范..............................................................................................15结