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Configuring APM Client Side NTLM Authentication

Introduction There have been a ton of requests on the boards for a simplified client side NTLM configuration, so based on Michael Koyfman’s excellent Leveraging BIG-IP APM for seamless client NTLM...
Published May 12, 2015
Version 1.0
authentication
BIG-IP Access Policy Manager (APM)
ntlm
security
Kevin_Stewart's avatar
Kevin_Stewart
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Joined March 16, 2006
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Kevin_Stewart's avatar
Kevin_Stewart
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Joined March 16, 2006
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Ali_Khan's avatar
Ali_Khan
Icon for Nimbostratus rankNimbostratus
Apr 06, 2017

Hi Kevin,

 

I tried this setup in my Lab but i am really struggling with APM to respond with a 401 Unauthorized response. ECA profile enabled in Vs Machine account working correctly irule gets triggered but whenever i try logging an ECA status i get TCL error which confirms that APM is not generating a 401 unauth response.

 

TCL error: /Common/NTLM-AUTH-ECA-IRULE - plugin_tcl_command_execute: Error sending plugin message. invoked from within "ECA::status"

 

Checked browser settings (IE), machine is domain joined and i logged in using domain user etc Just running out of ideas. I just get Your session could not be established and in APM logs i see entries of:

 

Msg: variable "session.ntlm.last.result" was not found in the local cache for session "e5f4c05e"

 

Any tip will be greatly appreciated. I can share full config if that helps, please let me know. Regards, Ali

 

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