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Date:      Sat, 28 Sep 2013 19:16:17 +0200
From:      Laurent SALIN <salin.laurent@laposte.net>
To:        freebsd-questions@freebsd.org
Subject:   Re: How to ask a DNS resolver listening on a different port than the tcp/udp 53
Message-ID:  <52470EE1.5060004@laposte.net>
In-Reply-To: <A86693BE-6DAB-4D40-9848-80A2B81003EF@elde.net>
References:  <5245CC59.5060204@laposte.net> <524600CF.3040609@fjl.co.uk> <13463C66-C15D-48E0-B926-CA0BF6580CAD@elde.net> <524610BE.4020904@fjl.co.uk> <CAHu1Y70bkt7g%2B95uUA_zUBt6NGbBKQvtcWpEeLM7rB0eFg6y_w@mail.gmail.com> <5246DEB3.7090002@fjl.co.uk> <A86693BE-6DAB-4D40-9848-80A2B81003EF@elde.net>

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Le 28.09.2013 18:32, Terje Elde a écrit :
> Not sure if I misunderstood what you're trying to do, but the way I recall it, you have two boxes, one running with one recursive and one authoritative nameserver, and you wanted a second box to quey the recursive nameserver on the first box, which is running on another port than 53?

You just right

> Given your setup, that's a valid question. 

that's why I submit it to the FreeBSD-Question list :-)

> It's getting down to patching the resolver I felt was a bit overkill, and a possible source of future pain. 
> 
> How to solve it is a perfectly valid question. 

I was hoping it'll be possible to map destination port with Packet
Filter from nameserver:53 to nameserver:5353 for exemple.

> Personally I'd just think it cleaner to solve it by running a caching resolver on the second host (on port 53), that could forward queries where you'd like, rather than patching or usik firewall redirects. 

I guess that's how I'll fix my problem

Thanks,
Laurent SALIN




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