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Re: NTLM Auth

From: Dan Fandrich <>
Date: Thu, 29 May 2008 23:41:24 -0700

On Fri, May 30, 2008 at 11:46:07AM +0530, vaibhav bindroo wrote:
> I am developing a client which uses libcurl library to establish a proxytunnel
> to the server . For this purpose I have configured a squid proxy server on RHL
> supporting all auth mechanisms . And they are workin when tested using standard
> browsers too . But when using libcurl for authorization through the same proxy
> server using NTLM auth , I am getting " Proxy Authentication required 407 error
> " . Though all the other proxy-auth mechanisms are workin fine . I am using
> libcurl on Windows and am using SSPI for establishing SSL session.

SSPI isn't used for SSL in libcurl.

> Can I know where am I going wrong ??

What options are you setting? What libcurl version? What headers are being
went when you make the connection?

>>> Dan

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Received on 2008-05-30