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1、Ruijiespecialsafetycertificationcoursefour(firewall)（锐捷安全专项认证课程四(防火墙技术)）ThisarticleiscontributedbyYaoYuminPdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.FirewalltechnologyLearninggoalThroughthestudyofthischapte
2、r,Ihopeyoucan:Understandfirewalltechnology,understandthetypeoffirewall,understandFirewalldeploymentmode,configureRG-WALLfirewall,configureRG-WALLfirewallContentsofthischapterFirewalltechnology,firewallclassification,Firewalldeploymentmode,configurationRG,WALLfirewallconfiguration,RG-WALL
3、firewall,RG-CurriculumissuesFirewalltechnologyWhatisafirewall?TraditionalfirewallUsedtocontrolactualfires,sothatfireislimitedtoapartofthebuildingandwillnotspreadtootherareasFirewallinnetworksecurityAnetworkdeviceorsystemusedtoprotectanetworkfrommaliciousbehaviorandpreventitsillegalbehavi
4、or.Asaboundarypointofasecurenetwork,trafficaccesscontrolisperformedbetweendifferentnetworkregionsTheroleoffirewallsWhatcanfirewallsdo?Controllingandmanagingnetworkaccess,protectingnetworkandsystemresources,depthdetectionofdatatraffic,authentication,actingasanintermediary,recordingandrepo
5、rtingeventsFirewallandOSIfirewallandOSIBasicfirewallNetworkTransportAdvancedfirewallDataLink,D,t,Li,K,Session,ApplicationCurriculumissuesFirewallclassificationClassificationoffirewallsFirewallclassificationAccordingtooperationobjectHostfirewall,networkfirewallInaccordancewiththewayofimpl
6、ementationSoftwarefirewallAccordingtothefiltrationanddetectionmethodsPacketfilteringfirewall,statefulfirewall,applicationgatewayfirewall,addressconversionfirewall,transparentfirewall,HybridFirewallHostfirewallandnetworkfirewallHostfirewallLocationadvantagesarelow,costsaredifficulttodeplo
7、y,andmaintenanceislackingintransparency,functionallimitations,andexamplesMicrosoft,ICF,Norton,Personal,FirewallNetworkfirewallPowerful,highperformance,transparency,highcost,internalattacks,poorprotectionexampleRuijieRG-WALLJuniperNetscreenCiscoPIX/ASAFortinetFortiGateTian
