Eicon Networks S92 Manuale Utente Scaricare il pdf (Pagina 181)

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

Page 181

ScenarioFour:

Segmentsinvolved:Outsideworld,Internal_Clients(192.168.17.0), Internal_Admin(192.168.19.0), Internal_Dev(192.168.20.0)

Remarks: Thistestattemptstofindout:

n whetherthreatscanflowthroughtotheinternalnetwork

n whetherattackersarepreventedfrommakinguseoftheproxyfunction

*AuditPositioning:Althoughthistestinvolvesconnectingfromthe“outside”,arrangementshouldbemadesothattheinternetconnectioncan

beperformedinhouse,probablyusingadialupISPconnection.Thisminimizesthechanceofhavingthetestbeingmonitoredbyathirdparty,

asrecommendedinthebook“HackProofingyourECommerceSite”

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PublishedbySyngress,ISBN:192899427X, http://www.syngress.com/catalog/sg_main.cfm?pid=1216

ScenarioFour: Attackertryingtocompromisetheproxyserver.

Attacker

Target

Hostsat

192.168.17.0

192.168.19.0

192.168.20.0

ISA_Cache

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Eicon Networks S92 Manuale Utente Pagina 181