From: Alexander Bokovoy <abokovoy redhat com>
To: Sumit Bose <sbose redhat com>
Cc: freeipa-users redhat com
Subject: Re: [Freeipa-users] Trust services
Date: Thu, 29 May 2014 02:47:38 -0400 (EDT)
----- Original Message -----
> On Wed, May 28, 2014 at 10:47:13AM -0300, tizo wrote:
> > I would like to know, if having configured trusts services between
> > and Active Directory, allow AD users to authenticate in services that
> > only configured to authenticate against FreeIPA.
> > For example, having configured the trusts, if I have a mail server that
> > using FreeIPA as its authentication method, can a user A from Active
> > Directory, who does not exist in FreeIPA, authenticate in the mail
> It depends a bit on how the users authenticate exactly because IPA
> offers Kerberos and LDAP authentication.
> Kerberos should work out of the box because thats one of the trusts
> components, trusting Kerberos tickets from the other domain/realm.
> For LDAP authentication you should be able to find the users from the
> trusted domain in the compat tree below
> cn=compat,dc=your,dc=ipa,dc=domain . To authenticate the user you can
> do a LDAP bind with the DN form the compat tree and the password used in
Please note that the latter is valid only for FreeIPA 3.3 and later.
FreeIPA 3.0 does not support authentication over LDAP in the compat tree.
/ Alexander Bokovoy
Ok. I will definitively use Kerberos. But looking at the diagram of page 22
I see that SSSD in the GNU/Linux host is authenticating against both Active
Directory and FreeIPA. Does the email server that I mentioned before, have
to be configured in a similar way that SSSD in the GNU/Linux host of the
example? Or is just enough that it is configured against the FreeIPA
Kerberos and nothing else?.
Thanks very much.
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