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

From: Poul-Henning Kamp <phk@phk.freebsd.dk>
Date: Tue, 19 Apr 2011 07:53:33 +0000
To: Mark Nottingham <mnot@mnot.net>
cc: Andreas Petersson <andreas@sbin.se>, Willy Tarreau <w@1wt.eu>, "Thomson, Martin" <Martin.Thomson@commscope.com>, Karl Dubost <karld@opera.com>, "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>
Message-ID: <5405.1303199613@critter.freebsd.dk>
In message <8F735513-6A44-4043-B7DA-EAE1E2FD1A0D@mnot.net>, Mark Nottingham wri

>> Forwarded: for=, for=;by=
>> Forwarded: for=;by=;proto=https

This format needs a strict definition to be unambigious.

For instance, if the first proxy adds only "for" and the next adds
only "by", there is no way to tell if one or two proxies were

I still think it is a better idea that each proxy adds exactly one
element, and that the single element contains whatever information
the proxy is willing to disclose.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
Received on Tuesday, 19 April 2011 07:53:59 UTC

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