
YuChakTinMichael‘sGIACGCFWProjectAssignment
Page 89
ConfiguretheAdvancedOptions:
IntheAdvancedOptionssection,enablethefollowingoptions:
n BlockIGMPProtocol:IPmulticastisnottobeusedinournetworkanyway.
n StealthBlockedPorts:Thiscausestheblockedportstonotrespondtoenquiries
fromtheoutside.Suchoptioneliminatesthehacker’sopportunityoflearningany
unnecessarynetworkinformation.
n BlockFragmentedIPPackets: FragmentedIPpacketsareoftenusedasawayto
attacksystems.Thisoption protectsagainstsuchthreat.
Comentários a estes Manuais