Eicon Networks S92 Uživatelský manuál stáhnout pdf (Strana 23)

YuChakTinMichael‘sGIACGCFWProjectAssignment

Page 23

VisNetic_1:

n FirewallprotectionforInternal_Servers,RAS_NetandCritical_Resources

n Platform:x86basedWindows2000ServerrunningDeerfieldVisNeticFirewall

n Hardware:SinglePentium3800MHZ,256MBRAM,20GBDiskMirror,four

100BaseTNICs.

ISA_Cache:

n Proxycachingandfirewallprotectionforoutgoinginternettrafficfrom

Internal_Clients,Internal_AdminandInternal_Dev.

n Platform:x86basedWindows2000ServerrunningMicrosoftISAServer

StandardEdition

n Hardware:SinglePentium41GHZ,256MBRAM,50GBDiskMirror,two

100BaseTNICs.

W2K_VPN:

n VPNGatewayservicinginboundVPNconnectionrequestsfromtheexternal

partnersandsuppliers

Whydowedividetheentireuserbaseintothreedifferentgroupswitheach

ofthemunder theprotectionofdifferentfirewalls?

Theans wertothisquestionis:weneedtoachieveseparationofbusiness

functions:

q Theadministratorspossessall themightyprivilegesand toolsfor

manipulatingtheentirenetwork.Itwillbeadisasteriftheirsystemsare

compromisedeitherbydisgruntledemployeesorbyexternalhackers.

q Thedeveloperspossessallthecodesandtechnologysecretsf or the

ecommerceapplications.Itwillbeadisasterifthisinformationis

compromised. Again,disgruntledemployeesandexternalhackersarethe

potentialsourcesofsuchthreat.

q Theclientsusuallymakeunintentional(andproperly intentionalyet

amateur)troubles.Thesetroublesarebettertobecontainedwithintheir

ownsegment.

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Eicon Networks S92 Uživatelský manuál Strana 23