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Posted to dev@hc.apache.org by "Oleg Kalnichevski (JIRA)" <ji...@apache.org> on 2012/12/02 15:57:58 UTC
[jira] [Updated] (HTTPCLIENT-1266) Flag issues in NTLM
implementation prevent authentication on some servers
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Kalnichevski updated HTTPCLIENT-1266:
------------------------------------------
Fix Version/s: Future
Hi Karl
The truth is there is simply no one among the HC committers capable and willing to maintain the NTLM engine code. In fact, we even recommend JCIFS to be used instead, primarily for that reason.
I'll happily review and commit patches but will not actively investigate bug reports. There is actually already a few NTLM related issues, which are not very likely to get looked at and resolved (HTTPCLIENT-1040, HTTPCLIENT-1080).
Since this particular piece of code originates from and is being used by ManifoldCF, I was hoping some of your folks might want to take a leading role in maintaining it. I would happily do my part by tackling HC specific and administrative issues.
Oleg
> Flag issues in NTLM implementation prevent authentication on some servers
> -------------------------------------------------------------------------
>
> Key: HTTPCLIENT-1266
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1266
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpAuth
> Affects Versions: 4.2.2
> Reporter: Karl Wright
> Fix For: Future
>
>
> At the ManifoldCF project, we've recently encountered two SharePoint servers (Windows 2008 Server R2) which seem to be configured in a way that the connector cannot authenticate with them using httpcomponents NTLM. It's worth noting that cURL succeeds, so the NTLM setup is apparently reasonable. Furthermore, the mcf patched version of commons-httpclient also fails in exactly the same way, so it looks like a long-standing issue.
> Working through the problem, it appears that the NTLM flags httpclient sends are, in some cases, inconsistent with the data we include. I am working on a httpclient patch, which I hope to be able to exercise in one of the client situations within the next week or two.
> Please see CONNECTORS-572 for details and research results.
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