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Re: WebDAV and 404-handling

From: Chris Knight <Christopher.D.Knight@nasa.gov>
Date: Thu, 23 Jan 2003 11:44:04 -0800
Message-ID: <3E304604.10908@nasa.gov>
To: Lisa Dusseault <lisa@xythos.com>
CC: "'Eriksson, Michael'" <Michael.Eriksson@bauer-partner.com>, w3c-dist-auth@w3.org

Lisa Dusseault wrote:
> The IE method of doing HEAD then PUT is a timing-dependent solution to
> preventing unintended overwrites.  As such, it's about as dependable as
> the rhythm method in preventing unintended pregnancies.


> The recommended way to prevent overwrite on PUT is to put the header
> "If-None-Match: *" on the request.   See for example
> http://www.w3.org/1999/04/Editing/.

And, as we discussed at the WG Interim Mtg, the use of the "Expect" HTTP 
header, something we should be actively encouraging development of as 
it's in the HTTP/1.1 as it would report an unintended overwrite before 
the body of the message is sent. Correct?
Received on Thursday, 23 January 2003 14:44:53 UTC

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