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Re: 100 Continue and Expects

From: Jamie Lokier <jamie@shareable.org>
Date: Fri, 2 Apr 2010 23:20:04 +0100
To: Mark Pauley <mpauley@apple.com>
Cc: Adrien de Croy <adrien@qbik.com>, ietf-http-wg@w3.org
Message-ID: <20100402222004.GB5496@shareable.org>
Mark Pauley wrote:
> Practically however: I've seen that Microsoft proxy servers and web
> servers that use NTLM authentication always ignore payload sent with
> the initiation of the NTLM authentication.  In essence, the first
> request isn't really HTTP because the client really expects the
> server to respond only with a 4xx message.

A proxy is free to forward your request to IIS between 10am and 2pm,
and to forward your request to Apache on a Linux box with no
authentication after 2pm.  So it is, alas, broken in this scenario.
But that's the nature of the NTLM beast.

-- Jamie
Received on Friday, 2 April 2010 22:20:37 UTC

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