[Freeipa-users] ipa- client rhel 6.9 support for UPN different then domain name

[Sumit Bose]

On Wed, Feb 08, 2017 at 12:44:07PM +0100, Troels Hansen wrote:
> Hi, 
> 
> Have you tried setting ldap_user_principal to something nonexisting? For example:
> 
> ldap_user_principal = nosuchattr
> 
> and inherit this to the AD domain with:
> 
> subdomain_inherit = ldap_user_principal
> 
> Both in the domain section of sssd.

Enterprise principals are supported by IPA since RHEL 7.3, so this
work-around for older versions should not be needed anymore.

> 
> ----- On Feb 8, 2017, at 12:17 PM, Jan Karásek jan.karasek at elostech.cz wrote:
> 
> > Hi, thank you for help.
> > 
> > I am running RHEL 7.3 on IPA serveres and with RHEL 7.3 clients it works really
> > nice.
> > Trouble is on RHEL 6 machines. I have tried to add krb5_use_enterprise_principal
> > = true into domain section of sssd.conf on RHEL 6 IPA clients but problem still
> > persists. Is there anything else that should be set ?  I have restarted sssd
> > service, both on servers and client, empty sssd_cache and so on but I am still
> > unable resolve users(on RHEL 6) with short UPN - id and getent passwd return no
> > such user...We still have more servers on RHEL 6 then on RHEL 7.

SSSD logs from a RHEL 6 client which includes a failing user lookup are
needed to see why it is still failing, see
https://fedorahosted.org/sssd/wiki/Troubleshooting for details.

bye,
Sumit

> > 
> > Thanks,
> > Jan
> > 
> > 
> >> Hi,
> >> 
> >> I just looked into RHEL 6.9 beta repos and I can see there is
> >> sssd-client-1.13.3-53.el6.x86_64 version. I would like to know if with rhel 6.9
> >> will come support for using different UPN then domain name. I am talking about
> >> AD trust scenario where user in AD domain sits in user at subdomain.example.com
> >> but has a UPN set to user at example.com. It has been solved in RHEL 7.3 I guess
> >> with sssd 1.14. Is ipa-client in RHEL 6.9 able to handle this situation or is
> >> there any known workaround ?
> > 
> > This is basically a server side feature. You need an IPA server version
> > which is delivered with RHEL-7.3. SSSD 1.14 in 7.3 can automatically
> > detect if the server supports this or not. This autodetection was not
> > backported to 6.9 but if your servers support it you can set
> > 'krb5_use_enterprise_principal = true' (see man sssd-krb5 for details)
> > on the IPA clients with older SSSD versions.
> > 
> > HTH
> > 
> > bye,
> > Sumit
> > 
> >> 
> >> Thanks,
> >> Jan
> >> 
> > 
> > 
> > --
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> > Go to http://freeipa.org for more info on the project
> 
> -- 
> Med venlig hilsen 
> 
> Troels Hansen 
> 
> Systemkonsulent 
> 
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> 
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