Re: DNS on multihomed server
From: Kevin D. Goodknecht [MVP] (admin_at_nospam.WFTX.US)
Date: Tue, 27 Apr 2004 21:27:32 -0500
Steve <firstname.lastname@example.org> posted a question
Then Kevin replied below:
> Hope someone here can help . . .
> I'm running Windows 2003 on a multihomed server. One NIC
> is connected to public network and other is on private
> network. DNS is installed and I want it to resolve on
> public network but not the private. Through DNS
> properties I have bound the DNS service to the public IP
> address only. When I run the TEST from the Monitor tab
> (in DNS properties), both tests fail. If I configure DNS
> on both public and private IPs the Tests pass and if I
> disable the private NIC they pass. Unfortunately I can't
> keep the private NIC disabled nor do I want to bind DNS
> to the private network for security reasons.
Security reasons? What possible security problems can you have binding to
the private network?
You are much more vulnerable binding to the public NIC.
Besides, if this is AD domain you need DNS to listen on the internal NIC
that has file sharing enabled, giving private address.
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