Re: If Header interaction with If-Match, etc

• From: Julian Reschke <julian.reschke@gmx.de>
• Date: Fri, 11 Nov 2011 08:35:16 +0100
• To: Ken Murchison <murch@andrew.cmu.edu>
• CC: w3c-dist-auth@w3.org
• Message-ID: <4EBCD034.4000100@gmx.de>

On 2011-11-11 00:58, Ken Murchison wrote:
> What, if any, interaction does the If header have with the other
> conditional headers? HTTPbis part 4
> (http://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional)
> specifically states which headers can't/shouldn't be used together.
>
> I assume that If-Match and If-None-Match shouldn't be used with If, but
> what about If-[un]modified-Since and If? Should an implementation just
> look for and use If when specified and ignore all other conditionals?

I would think the safest thing to do is to evaluate "If" in addition to 
whatever else gets evaluated; but I have to confess I haven't thought 
through all consequences.

Maybe we need to look at a few tricky examples?


Best regards, Julian

Received on Friday, 11 November 2011 07:35:50 UTC