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DNS and multiple network interfaces
Monday, July 9, 2007 at 7:38 am
Windows Server 2003 Annoyances Discussion Forum
Posted by appleoddity
(1826 messages posted)
I have a server 2003 box setup (named Michael) with 5 LAN cards installed. One connection
is for the WAN, and the other 4 each go to a different internal subnet.
Can I set up the DNS server to handle requests different for each interface?
I don't want the public interface responding to requests for items like wpad, or
private hosts.
Also I want the internal PCs to be able to use recursive queries where as I do not
want the public to be able to do that.
Where as the internal PC users have to have DNS requests forwarded for proper operation,
I do not want the DNS server forwarding requests from external clients. If a internet
client requests a host that my server does not know about I want it to say so, not
forward the request and give a response.
I am running ISA, DNS, Exchange, and ISS on this server. It has to handle requests
from the intranet and internet. Are there any tips as to the proper way to set DNS
up in a situation like this, and are their security risks I may be missing?
Even though I have set the 4 internal NICs to not register their DNS information
and have deleted the entries in the zone file once, the 4 internal IPs still show
up again in the DNS zone file. Should those IPs be in the zone file, or just the
IP for the public interface?
Thanks
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