Eicon Networks S92 Manual do Utilizador descarregar pdf (Página 186)

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

Page 186

businesscriticalapplicationsandendusers.FloodGate1canbedeployedwith

VPN1®/FireWall1®orstandalone. ”(fromwww.checkpoint.com

54

)

Or,ifcostisanissue,partial bandwidth controlcanbeexercisedviaISAServer’s

builtinBandwidthRules.KBarticle302527explainsindetailhowtoconfigurethis

feature

55

.Withthisfeatureenabled,bandwidthusageontheINETstream canbe

controlled.

Recommendatio nTwo

Faulttoleranceusingstandbysystemsisnotanoptimalsolution.Firstofall,

switchingtothestandbysysteminvolvescertaindowntime.Secondly,keepingthe

productionsystemandthestandbysysteminsyncisatimeconsumingmanualjob.

Therefore,advancedfaulttolerancesolutionshouldbeconsidered.BothNT4and

Windows2000AdvancedServereditionsupportclustering,apopularstrategyfor

connectingmultiplecomputerstogetherinsuchawaythattheybehaveasasingle

unit

56

.

Recommendatio nThree

ThereisnofaulttoleranceprovidedfortheWANlinks.TechnologysuchasDDR

shouldbeconsidered.WithDDR(DialonDemandRouting),thebackupconnection

onlybecomesactivewhen theprimarylinksfail

57

.

Recommendatio nFour

Regardlessofwhatfirewalltechnology isinuse,trafficisallowedtoflowtotheweb

serverviaport80and443.Thescriptsonthewebserverarepotentialsourcesof

varioussecurity threats

58

.Itisrecommendedthatanauditonalltheserverscriptsbe

performed.

54

http://www.checkpoint.com/products/performance/floodgate1.html

55

http://support.microsoft.com/view/tn.asp?kb=302527

56

http://www.webopedia.com/TERM/c/clustering.html

57

http://www.webopedia.com/TERM/D/DDR.html

58

“ProgrammingSecureScripts”,HackProofingYourEcommerceSite,ISBN:192899427X,

http://www.syngress.com/catalog/sg_main.cfm?pid=1216

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