firewalls

Unanswered Question
Nov 6th, 2007

Hi all, can anyone tell me if its a general function of firewalls to do reverse dns lookups to verify the ip address or name of the connection being made ?

I have this problem too.
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intelide3 Tue, 11/06/2007 - 05:10

hi,

basically - if its an L3 only firewall then no need to process that function - unless it does an extended L7 processing feature such as SMTP.

HTH.

carl_townshend Tue, 11/06/2007 - 09:50

i was speaking to a firewall specialist and he said its a feature of all firewalls to do this? how would i enable this on my asa ?

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