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Re: [dnsext] Re: I-D ACTION:draft-vandergaast-edns-client-ip-00.txt

Wilmer van der Gaast <wilmer@google.com> Wed, 03 February 2010 17:46 UTC

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Date: Wed, 03 Feb 2010 17:41:31 +0000
Message-ID: <7c31c8cc1002030941y52017a38jaf10dcf4504d9072@mail.gmail.com>
Subject: Re: [dnsext] Re: I-D ACTION:draft-vandergaast-edns-client-ip-00.txt
From: Wilmer van der Gaast <wilmer@google.com>
To: Ondřej Surý <ondrej.sury@nic.cz>
Cc: namedroppers@ops.ietf.org
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On 3 February 2010 17:08, Ondřej Surý <ondrej.sury@nic.cz> wrote:
>
> Then it would make a sense to also send requested protocol in DNS query
> together with client IP address, wouldn't it?  (Not every protocol has it's
> own RRTYPE.)
>
No, that's why we have RFC 2782. Sadly that RFC is an excellent
example of how solving problems in a way that requires work on the
client side takes a long time (where long time approaches infinity).
:-/

But yes, if you want to do that, send a SRV query. For at least XMPP
and ActiveDirectory it may work. :-) I'm all for wider adoption, but
that's well outside the scope of this draft.


Wilmer.

-- 
Wilmer van der Gaast, Dublin Traffic SRE.
Google Ireland.

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