Hi Eric,

I think I'm trying to achieve the same thing, and I actually asked a similar question some time ago myself here (https://lists.fedorahosted.org/pipermail/sssd-users/2014-August/002099.html ).
The answer was: Take a look at FreeIPA server project.
I did, but I couldn't get it to work because the setup, as for now, requires a two-way domain trust between AD and the IPA server/domain (apart from CentOS >= 7.0 for the FreeIPA server). And so far, I couldn't convince the neither the AD admins, nor my manager, boss, blablabla to allow that....
Maybe it's a solution for you, though.

BTW, there've been some interesting questions in the same direction in the corresponding FreeIPA user mailing list. like this thread:
https://www.redhat.com/archives/freeipa-users/2014-September/msg00276.html

Good luck!
Gerardo Padierna


El 03/10/14 a las #4, Jakub Hrozek escribió:
On Fri, Oct 03, 2014 at 02:01:04PM +0200, Eric VS wrote:
Hi all,

I'm new to this list and to SSSD. I just set up SSSD so that our admins can
authenticate on Linux using their Active Directory username. For this I
have a centralized 'box' (AUTH01) in the production environment. Everything
works on that single box authenticating to the AD. My question now is if
there's a way to have other Linux VMs (CentOS 6.5) in that environment
authenticate against that AUTH01 instance using only SSSD? Or do I need
something on top of it?

Sorry if this is a question that's already been asked but I've been
searching the internet without any luck yet.

Kind regards,

*Eric *

*E-mail: vs.eric@gmail.com <vs.eric@gmail.com>*
I don't think this is currently possible, SSSD only supports
authentication against an LDAP server, a KDC or variants of the latter
(AD, IPA, ...)

The IPA server mode currently does something similar, the IPA server
which is acting a bit like proxy listens to requests from clients and
does a PAM conversation against locally running SSSD which talks to AD
servers. But still, there is a component (ns-slapd in that case) that
talks to the local SSSD and smart clients that talk to ns-slapd.
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Gerardo Padierna Nanclares
Técnico de Sistemas (grupo ASL) - [Fujitsu / Logware]
Servicio de Sistemas de la Información (DGTI) - Generalitat Valenciana
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Email: asl.gerardo@gmail.com