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Using a PIX 515 as a Proxy DNS or DNS forwarder

bhillman
Level 1
Level 1

‎09-15-2003 06:47 PM - edited ‎02-20-2020 10:59 PM

Does anyone know of a way to have a PIX answer DNS queries either by use of a out-in static or is there a mechanism whereby the pix can actually pass a list of dns servers to hosts or anything along these lines. I have to replace a Novell Bordermanager that is both the gateway and dns entry on approximately 2000 hard coded workstations and I'm not looking forward to having to manually change them.

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2 Replies 2

drolemc
Level 6
Level 6

‎09-19-2003 08:12 AM

I don't think there exists a way to configure the PIX to answer to DNS queries. However, there are a number of features and commands that make the DNS operation possible across the PIX. The DNS guard feature is one and allows only a single DNS response for outgoing DNS requests. It is enabled by default. Also, you might need to use the alias command to translate the incoming DNS reply..

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jmia
Level 7
Level 7

‎09-19-2003 08:22 AM

Hi -

As the other post mentioned, Alias or 'dns doctoring' could be a idea for your situation, please read the following document:

http://www.cisco.com/warp/public/110/alias.html

Hope this helps - Thanks, Jay.

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