Eicon Networks S92 Uživatelský manuál stáhnout pdf (Strana 158)

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

Page 158

192.168.16.99

192.168.20.0

NetBrute Nil Yes

192.168.16.99

Norton3_IDS

Share

Scanner

Nil Yes

192.168.16.99

192.168.20.0

Share

Scanner

Nil Yes

192.168.16.99

Norton3_IDS

Sub_Net Nil Yes

192.168.16.99

192.168.20.0

Sub_Net Nil Yes

Rulebaseassessment

InInternal_Admin,createasharethatallowseveryoneaccess.From

Internal_Clients,attempttoaccesssuchshare.

Attemptfailed.Thisisthedesirableresult.

InInternal_Dev,createasharethatallowseveryoneaccess.From

Internal_Clients,attempttoaccesssuchshare.

Attemptfailed.Thisisthedesirableresult.

Otherassessmentmethods

Fromaprotectedhost,connecttoaninternetsitethatoffersJavaandActiveX

codes,andtrytohavethemdownloaded.

Downloadsblockedandlogged.

Remarks

ItseemsliketheNortonFirewallsareprovidingexcellentprotection.Infact,itis

theIntruderAutoBlockfunctionthatallowsthefirewalltorejectallsubsequent

connectionattemptscomingfromtheblockedintruders.

Thisfeaturemaynotworkwellwhenattacksare

initiatedwithrandomsourceIPaddresses.Therefore,

furthertestingusingatoolcapableofrandom

spoofingisrecommended.

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