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Re: I-D draft-petersson-forwarded-for-00.txt

From: Willy Tarreau <w@1wt.eu>
Date: Fri, 8 Apr 2011 11:00:15 +0200
To: Mark Nottingham <mnot@mnot.net>
Cc: "Thomson, Martin" <Martin.Thomson@commscope.com>, Karl Dubost <karld@opera.com>, Poul-Henning Kamp <phk@phk.freebsd.dk>, Andreas Petersson <andreas@sbin.se>, "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>
Message-ID: <20110408090015.GA12401@1wt.eu>
On Fri, Apr 08, 2011 at 06:49:32PM +1000, Mark Nottingham wrote:
> While we're at it, I'd like to see extensibility points added; there are a bunch of bits of per-hop metadata that would be nice to allow in here, instead of defining separate headers. For example, in some use cases it'd be good to identify the receiving address, as well as the sending one.
> 
> E.g.,
> 
> Forwarded-For: 1.2.3.4:5678; by=4.3.2.1:3128, 5.6.7.8:9012; by=3.2.1.0:80

Agreed. I'm used to see that info almost as commonly as the x-f-f header,
because people who want one generally want the other one too. In haproxy
it's implemented in the x-original-to header. The format above is much
better, but I suspect that some users will already complain that it's
harder to parse for them...

Willy
Received on Friday, 8 April 2011 09:01:09 GMT

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