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Re: p7: forwarding Proxy-*

From: Roy T. Fielding <fielding@gbiv.com>
Date: Tue, 30 Apr 2013 00:58:40 -0700
Cc: HTTP Working Group <ietf-http-wg@w3.org>
Message-Id: <37ABC670-148B-4D7A-AE21-6692EFFC122F@gbiv.com>
To: Mark Nottingham <mnot@mnot.net>
On Apr 29, 2013, at 7:04 PM, Mark Nottingham wrote:

> Well, they're listed as hop-by-hop in 2616, and AFAICT we haven't explicitly discussed changing that.

It's complicated.  The Proxy-auth fields were defined before
keep-alive and Connection existed.  I remember trying to phrase
that multiple times back in the early days.  In this case, it is
better to simply define how it works without Connection and let
the normal Connection semantics apply when used (if ever).

> Are you saying that they shouldn't be included in Connection, ever?

No, I am just saying that Connection is not required; if it is not
included in Connection, then the intention is that it be forwarded
until consumed.  OTOH, if it is included in Connection, then it
will be consumed or deleted by the immediate recipient.  AFAIK,
these fields are not normally included in Connection, but there
might be a good reason to if the proxy selection is complicated.

....Roy
Received on Tuesday, 30 April 2013 07:59:02 UTC

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