Re: [hybi] Last Call: <draft-ietf-hybi-thewebsocketprotocol-10.txt> (The WebSocket protocol) to Proposed Standard

Iñaki Baz Castillo <ibc@aliax.net> Tue, 26 July 2011 10:08 UTC

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Date: Tue, 26 Jul 2011 12:08:20 +0200
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From: =?UTF-8?Q?I=C3=B1aki_Baz_Castillo?= <ibc@aliax.net>
To: Mark Andrews <marka@isc.org>
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Cc: "Roy T. Fielding" <fielding@gbiv.com>, Server-Initiated HTTP <hybi@ietf.org>, Keith Moore <moore@network-heretics.com>, IETF-Discussion <ietf@ietf.org>
Subject: Re: [hybi] Last Call: <draft-ietf-hybi-thewebsocketprotocol-10.txt> (The WebSocket protocol) to Proposed Standard
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2011/7/25 Mark Andrews <marka@isc.org>rg>:
>> But if you really want to use DNS to do redirects for http: URIs (or for =
>> that matter ws: URIs or almost any other kind of URI), NAPTR was =
>> tailor-made to do that.  SRV was not.
>
> "_http._tcp.example.com SRV 100 0 80 <server>" is not a redirect.
> The http client still issues "Host: example.com" not "Host: <server>".
> If you want to do DNS level redirect of "www.example.com" to
> "example.com" then NAPTR would be the way to do that and the http
> client issues "Host: example.com" instead of "Host: www.example.com"quot;.

Great explanation.

-- 
Iñaki Baz Castillo
<ibc@aliax.net>