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TMG proxy - connection error 96269

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#30724
Posted: 09/15/2014 07:53:45
by Marko Žerajić (Basic support level)
Joined: 08/25/2014
Posts: 6

I've had the same error with 258 build, so I doubt that will help. I assume you are using AcquireCredentialsHandle and InitializeSecurityContext methods to generate NTLM messages, is there any way to retrieve error codes those two functions return. Entering invalid user credentials into TElHTTPSClient class, generates no error and NTLM messages still get sent to server, even though they can't be used to authenticate any known user.
#30725
Posted: 09/15/2014 08:01:51
by Eugene Mayevski (EldoS Corp.)

Quote
Marko Žerajić wrote:
I assume you are using AcquireCredentialsHandle and InitializeSecurityContext methods to generate NTLM messages, is there any way to retrieve error codes those two functions return.


If one of those function returns non-zero value, no NTLM data is sent. As your session transcript includes this NTLM data in "Proxy-Authorization" header I conclude that there are no errors reported by the server.

Quote
Marko Žerajić wrote:
Entering invalid user credentials into TElHTTPSClient class, generates no error and NTLM messages still get sent to server, even though they can't be used to authenticate any known user.


Authentication is performed on the server, thus invalid username/password don't cause immediate error.


Sincerely yours
Eugene Mayevski

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