Eicon Networks S92 Manuel d'utilisateur télécharger pdf (Page 15)

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

Page 15

Subnets:

TheGIACnetwork issegmentedintothefollowingsubnets:

n Core_Net:thisisthesubnetatwhichtheexternalconnectionsmeettheinternal

connections.

n Public_Services:hostingallthepublicservices,includingWWW,externalemail

andexternalDNS.ItisessentiallyaprotectedDMZ (DemilitarizedZone)which

sitsbetweentheInternetandaninternalnetwork'slineofdefenseunderthe

protectionoffirewalls. ThissegmentalsohousesanIDStodetectintrusion.

n Internal_Clients:hostingall theinhouseenduserdesktops.Thisgroupcan

actuallybefurthersegmentedonanasneededbasis.

n Internal_Admin:hostingdesktopsforthemighty administrators.

n Internal_Dev:hostingtheinhousedeveloperswhoneedtomakechangestothe

Ecommerceapplicationandaccessthecriticaldatabases.

n Internal_Servers:hostingtheinternalservers.

n Critical_Resources:hostingthedatabaseapplication thatistobeaccessedbythe

externalpartnersandsuppliers.

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Eicon Networks S92 Manuel d'utilisateur Page 15