[mod_python] XP Authentication problems over Apache and WebDAV

Hi All,

I'm interested to know if there is a solution to my problem, when trying to 
access WEBDAV folders on my Apache 1.3 server when using XP (SP2) Webfolders 
as the client.

There is a well known problem with XP (SP2) when authenticating over 
Webfolders as: "When Microsoft Windows XP attempts to connect to a webdav 
server, it insanely refuses to just send the username and password. It 
attempts to send either "domainlusername" or username at domain.
( a good description of the problem and fix for simple Basic authentication 
can be found at:
http://www.luluware.com/index.php?option=com_content&task=view&id=13&Itemid=38

I am using mod_python for my 'Basic' authentication as I want to communicate 
with my Server to find individual permissions on files and folders which are 
contained within the twistd python server that I have running on the box.
mod_python communication with my server is essential for my application and 
works well with ALL other clients, only falling over for Webfolders and XP 
(SP2).

I have tried numerous fixes including:
http://www.luluware.com/index.php?option=com_content&task=view&id=13&Itemid=38
http://www.hss.caltech.edu/help/unix/admin/web/apache-webdav-xp
(these two should give a good description of the problem)
and even desperately : - /
http://support.microsoft.com/default.aspx?scid=kb;en-us;841215
reistary hacking on the client machine.

But to no avail...
I assume that the above fixes are 'specifically' for simple 'Basic 
authentication' and will not work with mod_python as mod_python takes over 
control of Apaches layered request model ? (best guess)

But then again it could well be that my server is running...
Debian (Sarge - testing)
apache         1.3.33-3
libapache-mod-dav 1.0.3-9
libapache-mod-python 2.7.10-3

Has anybody come across the problem before ?
Is there a simple way within my python authentication script to rewirte the 
headers that XP sends to stip off the domainname part of the request?

Thanks

Kevin Roberts
Nunatak Systems Pty Ltd
http://www.nunatak.com.au/


PARTIAL APACHE CONFIGURATION
----

<VirtualHost>
...
DAVLockDB /opt/nunatak/software/web/smeagol/DAVLock
...
        AllowOverride Options
        Options +Indexes
        AddHandler mod_python .py
        PythonAuthenHandler gane_auth
        PythonOption Provider Nunatak
        PythonOption Customer smeagol
        PythonDebug On
        AuthType Basic
        AuthName "Smeagol's Webfolders"

        Dav On
        Require valid-user
...
</VirtualHost> 



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