Eicon Networks S92 Uživatelský manuál stáhnout pdf (Strana 89)

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

Page 89

ConfiguretheAdvancedOptions:

IntheAdvancedOptionssection,enablethefollowingoptions:

n BlockIGMPProtocol:IPmulticastisnottobeusedinournetworkanyway.

n StealthBlockedPorts:Thiscausestheblockedportstonotrespondtoenquiries

fromtheoutside.Suchoptioneliminatesthehacker’sopportunityoflearningany

unnecessarynetworkinformation.

n BlockFragmentedIPPackets: FragmentedIPpacketsareoftenusedasawayto

attacksystems.Thisoption protectsagainstsuchthreat.

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Eicon Networks S92 Uživatelský manuál Strana 89