httplib/DAV: How to respond to "WWW-Authenticate: NTLM" ?
steve at holdenweb.com
Thu Oct 12 15:50:30 CEST 2006
> In a DAV scheme with PROPFIND or GET (PROPFIND /test/ HTTP/1.1) and
> Basic AUTH to a MS SharePoint over https server (AUTH required), he
> responds 'WWW-Authenticate: NTLM' only:
> reply: 'HTTP/1.1 401 Unauthorized\r\n'
> header: Content-Length: 1656
> header: Content-Type: text/html
> header: Server: Microsoft-IIS/6.0
> header: WWW-Authenticate: NTLM
> header: X-Powered-By: ASP.NET
> header: MicrosoftSharePointTeamServices: 184.108.40.20668
> header: Date: Thu, 12 Oct 2006 12:27:42 GMT
> I simply try repeatedly the same request with Basic Auth header again =>
> The same response requesting 'header: WWW-Authenticate: NTLM' again.
> But then after an unsuccessful test on a really new connection (.close()
> , .request()) he accepts the Basic AUTH immediately.
> * What is this?
> * Is this a legal/known way to respond to a NTLM AUTH request by
> ..close() and reconnect with Basic Auth?
> * Is there a Python function out there to do real NTLM authentication?..
> and is this recommended to dig into Microsofty HTTP protocols ?
The protocol is described in
though you may need to consult other documents to get the full details.
It seems there may be a Python implementation at
At a pinch you could just use the proxy.
Steve Holden +44 150 684 7255 +1 800 494 3119
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