Eicon Networks S92 Manuel d'utilisateur télécharger pdf (Page 59)

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

Page 59

datacrossingthefirewall,controlofaccesspolicy,androuting oftraffic.Thecache

improvesnetworkperformanceandenhancestheenduserexperiencebystoring

frequentlyrequestedWebcontent.Thefirewallandcachecanbedeployedseparately

ondedicatedserversorintegratedonthesamecomputer.”

17

ThereasonISAServerisusedintheGIACnetworkfor:

n enhanceperformance–itcanactasaproxycachingserverfortheinternal

clients,thusenhancingtheclient’sinternetbrowsingperformance

n protect–ithasadvancedstatefulinspectiontechnologyforprotectingthe

network

TheISAServereditionthatweuseistheStandardEdition.Andsinceitrunson

Windows2000Server,itisnecessaryforustosecuretheWindows2000installation

firstbeforedeployingISA.

PerfectingtheWindow s2000 Installation

Firstofall,installthelatestservicepack.Atthetimeofthiswriting,SP2isthelatest

availableversion.Infact,ISAwillnotinstallunlessyouhaveappliedSP1attheleast.

MicrosoftoffersWindows2000servicepacksviathisURL:

http://www.microsoft.com/windows2000/downloads/servicepacks/default.asp

Additionally,thesecurityupdatesavailableat

http://www.microsoft.com/windows2000/downloads/security/default.aspshouldbe

applied.

Hardeni ngtheConfiguration

ISAServerincludesaSecurityConfigurationWizardforhardeningtheWindows

2000installation.BeforeinvokingISAforthispurpose,applyalltheavailableservice

packsandupdates.

17

http://www.microsoft.com/isaserver/evaluation/productguide.asp

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Eicon Networks S92 Manuel d'utilisateur Page 59