Eicon Networks S92 Manual do Utilizador descarregar pdf (Página 100)

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

Page 100

AnInterfaceConfigurationExample:

Asmentionedbefore,VisNetichasitsrulesconfiguredonaperinterfacebasis.FOR

EXAMPLE,ifaruleisneededtoallowHTTPaccessfromtheclientsin192.168.16.0

totheintranetwebserverin 192.168.18.0,thefollowinginterfaceconfigurationsmust

bemade:

1,

Configuretheinterfaceattachedto192.168.18.0toacceptalltraffics.192.168.18.0is

consideredasatrustedlocalnetworktothefirewall(whilethe192.168.16.0network

isconsideredasuntrustedandremote).

2,

Configuretheinterfaceattachedto192.168.16.0tofilteralltraffics.Bydoingso,all

trafficwillbeblockedbythisinterfaceUNLESSrulesareconfiguredtoallow

exceptions.

3,

AddanewruletoallowHTTPaccess.ThisinvolvestheTCPprotocolwitha“In&

Out”nature:

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Eicon Networks S92 Manual do Utilizador Página 100