Great Circle Associates Firewalls
(August 1997)
 

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Subject: Re: DNS setup
From: sar <sar @ cynicism . com>
Date: Fri, 29 Aug 1997 07:22:37 -0500
To: martin . meuer @ frz . de
Cc: firewalls @ greatcircle . com
In-reply-to: <340686AD . D3FA0E72 @ frz . de>

At 09:22 AM 8/29/97 +0100, you wrote:
>the problem:
>
>we're running a snmp manager (of course ip-routing set off) on a unix
>box, which should monitor two independent domains. These domains are
>running each their own (internal) dns-server and are protected by
>different firewalls, that hides all local addresses. 
>
>Internet - FW - domain A (internal DNS) --------  manager --------
>domain B (internal DNS) - FW - Internet
>
>the questions:
>
>the manager needs to resolve the local addresses of each domain. Is
>there a way to configure the resolver to handle this without /etc/hosts
>containing all addresses (some hundreds) of one of these domains? 
>
>-- 
>Mit freundlichem Gruß
>
>Martin Meuer
>Attachment Converted: "c:\eudora\attach\smime7.p7s"
>
this may not work with your particular flavor of *nix but you can put each
of the nameservers in the /etc/resolv.conf as
NAMESERVER <ip of dns a>
NAMESERVER <ip of dns b>
it will check both of them to find the host.

it is probably possible to setup named on the box an add the ip's of the 2
name servers to the root cache file.. but then anyone doing dig on the box
will get the ips of the 2 name server. 


Follow-Ups:
References:
  • DNS setup
    From: "Martin Meuer" <martin . meuer @ frz . de>
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