Great Circle Associates Firewalls
(July 1995)
 

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Subject: reverse DNS lookup through a firewall
From: nizar ali <nali @ env . gov . ab . ca>
Date: Thu, 20 Jul 1995 14:36:17 -0400 (EDT)
To: firewalls @ greatcircle . com
Priority: NORMAL

I Apologize if I am not using the correct protocol for asking questions on this list or this question
has been answered already.  

Our access to the Internet is secured  (!!) using a FireWall router and a Service Host located
outside the firewall to handle news and mail.  The firewall router allows all outgoing calls but
blocks all incoming calls.  This setup is causing us problems when accessing locations which
require reverse dns name lookup.  Did anybody find a solution for this problem he can share with
me?

If this question was previously handled please send your suggestions to my Email address only.  
Thanks in advance,

Nizar Ali
Senior Telecommunications Analyst
nizar .
 ali @
 env .
 gov .
 ab .
 ca
Phone:      (403)427-3537
Fax:            (403)427-7434
These are my opinions 
and do not necessarily reflect the opinions of the Government of Alberta


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