Eicon Networks S92 Bedienungsanleitung PDF herunterladen (Seite 42)

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

Page 42

n RPCConfiguration

n Server

FW1canfunctionperfectlyevenwithouttheseservices.Oneissuetoconsideris

whethertoinstallanduseRIPforIP.For FW1tofunctioncorrectlyasafirewall

gateway,routingmustbeproperlyconfiguredonNT.Staticroutesarealwayssafeand

efficient,butcanbecomplextoconfigure(italldependsonhowcomplicatedthe

networkenvironmentis).UsingRIPonthefirewallsystemcanmakelifeeasieratthe

expenseofverylittleperformanceoverheadandaverylimited(ifnotexist)security

exposure.Thesecurityexposureisnexttononeifweremembertoconfigurethe

borderroutertoscreenandblockallRIPtraffics.

Step2Disableunusedservices

Inoursystem,thefollowingsystemservices(whichhavebeeninstalledbydefault)

aredisabled:

n DHCPClient

n LicenseLoggingService

n NetworkDDEDSDM

n RemoteProcedureCall(RPC)Service

n Schedule

n Spooler

n TCP/IPNetBIOSHelper

n TelephonyService

Step3–DisableNetBIOS.

ThegoalistogetridofalllistenersontheNetBIOSports.Thiscanbedoneby

disabletheWINSclientbindingsofallNICs.

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Eicon Networks S92 Bedienungsanleitung Seite 42