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Re: Tunnel DNS queries
From: "Ayaz Ahmed Khan" <ayaz () pakcon org>
Date: Fri, 18 Apr 2008 22:39:21 +0500

On Thu, Apr 17, 2008 at 8:31 AM, secrookie () gmail com
<secrookie () gmail com> wrote:
I am researching on how to tunnel udp DNS queries.

 There are lots of information on how to do this for secure web
 browsing (ssh/squid, enable remote dns proxy in config: firefox

 I would like to tunnel all DNS queries from a Linux box via ssh to a
 remote DNS server.  I looked into port forwarding 53 but was not
 sucessfull.  As DNS queries are UDP I am not sure if it will work with
 openssh.  My understanding is openssh tunnel only works with TCP.

 Any input would be appreciated.

Using socat, I have in the past easily managed to serve DNS requests
coming on port 53 by forwarding them to external DNS servers.  I have
not tried routing them enveloped in an SSH tunnel.  Though, for
something as trivial as DNS queries, I don't know why one would want
to do that.

Ayaz Ahmed Khan

"I'm returning this note to you, instead of your paper, because it
(your paper) presently occupies the bottom of my bird cage."
 -- English Professor, Providence College

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