[tac_plus] Authentication using Likewise and AD

[Matt Almgren]

Hey John/list,

I’ve been banging my head on this all day.  I’m hoping that since you replied you might have some insight into getting TAC+, Likewise, and PAM to play nice together.

I’m assuming that you have a modified pam.d module that handles the tac_plus authentication?   I’ve tried to use different variations in my PAM module, with no success.  Can you give me some tips on what you have working, if you have experience working with Likewise?

Thanks, Matt





From: John Fraizer <john at op-sec.us<mailto:john at op-sec.us>>
Date: Monday, March 30, 2015 at 12:53 PM
To: Matt Almgren <matta at surveymonkey.com<mailto:matta at surveymonkey.com>>
Cc: "tac_plus at shrubbery.net<mailto:tac_plus at shrubbery.net>" <tac_plus at shrubbery.net<mailto:tac_plus at shrubbery.net>>
Subject: Re: [tac_plus] Authentication using Likewise and AD

Configure tac_plus to use password = PAM and it will authenticate via whatever mechanism(s) PAM is configured to use.  With that said, bear in mind that using LDAP for network auth isn't exactly the best idea.  When you have a problem with your LDAP server, tac_plus doesn't know.  It just acts as if your credentials are wrong and you're unable to log into network devices.  It is even MORE fun because you can't even log into your tac_plus server and shut down tac_plus so your network devices will use "local" authentication because the server is ALSO using LDAP to authenticate.

Just some things to keep in mind.

--
John Fraizer
LinkedIn profile: http://www.linkedin.com/in/johnfraizer/



On Mon, Mar 30, 2015 at 11:36 AM, Matt Almgren <matta at surveymonkey.com<mailto:matta at surveymonkey.com>> wrote:

Hello all, I’ve recently joined another company that uses Likewise for authentication against AD.   Does anyone have any experience working with Likewise and using it with TAC+?  I’m assuming that if I configure PAM with TAC+, it will pass those authentication requests on to the AD server?

We’re running Ubuntu 14.04.1 LTS and the latest version of tac_plus, if that helps.

Thanks, Matt


--
Matt Almgren
Sr. Networking Engineer | SurveyMonkey




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