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Re: #227: HEAD and Caches

From: Willy Tarreau <w@1wt.eu>
Date: Fri, 2 Mar 2012 12:24:21 +0100
To: Mark Nottingham <mnot@mnot.net>
Cc: Erlend Hamnaberg <ngarthl@gmail.com>, Henrik Nordström <henrik@henriknordstrom.net>, Amos Jeffries <squid3@treenet.co.nz>, ietf-http-wg@w3.org
Message-ID: <20120302112421.GC16141@1wt.eu>
Hi Mark,

On Fri, Mar 02, 2012 at 09:09:53PM +1100, Mark Nottingham wrote:
> > In a related note: Is it allowed for a cache to rewrite a HEAD request to a GET if there previously is no entity stored for that request? 
> > Maybe there should be some text on that, or is that an implementation detail?
> 
> It certainly isn't prohibited, but I tend to think that's an optimisation, not a specified behaviour. 

Even if it's not specified, maybe we should have one line which says that
it's valid to use GET where HEAD was expected if the client finds any
benefit in doing so. Well, maybe we already have it, it's just that I
have not actively looked for this.

Regards,
Willy
Received on Friday, 2 March 2012 11:25:27 GMT

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