[Zope] http://webdav.zope.org DOWN?!

[Tom Freeman]

hey everyone,
why is webdav.zope.org not working, i really need to find out about
setting up webdav between Dreamweaver UltraDev4 and Zope, but I've
looked everywhere and can't find anything? I've run the z2.py script
with the -W port option. 
This works fine, but when I try to transfer files I get the message,
'Unable to authenticate with WebDAV server' what does this mean?

any help would be greatly appreciated,
thanks,
tom.
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Tom Freeman
Industrial Placement
NISS, Eduserv
Tel: 01225 323789
Fax: 01225 826177
Web: http://www.niss.ac.uk