My configuration file (sanitized):
[sssd]
services = autofs, nss, pam
config_file_version = 2
debug_level = 0xFFFF
domains = default, mydomain2
[nss]
[pam]
debug_level = 0xFFFF
[domain/default]
debug_level = 3
ldap_id_mapping = False
ad_domain =
MYDOMAIN1.COM
id_provider = ad
auth_provider = ad
chpass_provider = ad
autofs_provider = ad
cache_credentials = True
# interval (in seconds) to renew Kerberos TGTs
ldap_user_name = uid
krb5_renew_interval = 3600
[domain/mydomain2]
debug_level = 0xFFFF
ldap_id_mapping = False
ad_domain =
MYDOMAIN2.COM
id_provider = ad
auth_provider = ad
chpass_provider = ad
autofs_provider = ad
cache_credentials = True
# interval (in seconds) to renew Kerberos TGTs
ldap_user_name = uid
krb5_renew_interval = 3600
# request renewable Kerberos tickets
krb5_renewable_lifetime = 30d
krb5_validate = False
The machine is joined to
MYDOMAIN1.COM (hence it has only credentials for this domain in
the default krb5.keytab) - but since there is two way trust with
MYDOMAIN2.com, it can use
its machine Kerberos principal (granted from MYDOMAIN1) for searches in both domains.
I tried that, it works well, but only in case I add:
"Ldap_sasl_authid = MYHOST$(a)MYDOMAIN1.COM" to the [domain/mydomain2] section.
To me, this should not be necessary.
Ondrej
-----Original Message-----
From: Sumit Bose [mailto:sbose@redhat.com]
Sent: Tuesday, August 07, 2018 1:13 PM
To: sssd-users(a)lists.fedorahosted.org
Subject: [SSSD-users] Re: sssd connecting to two AD domains
On Mon, Aug 06, 2018 at 08:34:04AM +0000, Ondrej Valousek wrote:
Also, yes, setting ldap_sasl_authid does help, but it's bit
awkward as right now I am using general sssd.conf for all machines.
Having to include ldap_sasl_authid parameter means the configuration
file is different for every machine :-(
Can you share your sssd.conf?
Are you using the AD or LDAP provider? Please note there are different defaults for the
principal for the two providers, AD will use “hostname$@REALM” while LDAP will use
“host/hostname@REALM”.
With two domains I'd always recommend to use two different keytab files and use
krb5_keytab and ldap_krb5_keytab to point at least one domain to the non-default keytab
file.
HTH
bye,
Sumit
Ondrej
-----Original Message-----
From: Ondrej Valousek [mailto:Ondrej.Valousek@s3group.com]
Sent: Monday, August 06, 2018 9:40 AM
To: End-user discussions about the System Security Services Daemon
<sssd-users(a)lists.fedorahosted.org>
Subject: [SSSD-users] Re: sssd connecting to two AD domains
Hi,
No, these are different forests, but a two way trust is established between these two.
Ondrej
-----Original Message-----
From: Jakub Hrozek [mailto:jhrozek@redhat.com]
Sent: Monday, August 06, 2018 9:36 AM
To: End-user discussions about the System Security Services Daemon
<sssd-users(a)lists.fedorahosted.org>
Subject: [SSSD-users] Re: sssd connecting to two AD domains
Are mydomain and mydomain2 coming from a different forest?
with id_provider=ad sssd should work fine with domains from the same forest and it should
pick the right principal. If it doesn’t and setting ldap_sasl_authid to shortname$@realm,
then there must be a bug in the principal selection logic.
> On 30 Jul 2018, at 11:25, Ondrej Valousek <Ondrej.Valousek(a)s3group.com>
wrote:
>
> Ok, I see that it’s probably not supported:
>
https://pagure.io/SSSD/sssd/issue/2078
> right?
> Ondrej
>
> From: Ondrej Valousek [mailto:Ondrej.Valousek@s3group.com]
> Sent: Monday, July 30, 2018 10:45 AM
> To: End-user discussions about the System Security Services Daemon
> <sssd-users(a)lists.fedorahosted.org>
> Subject: [SSSD-users] sssd connecting to two AD domains
>
> Hi all,
>
> I have a machine joined to AD domain “mydomain.com” and there is also domain
“mydomain2.com”. The two are connected with full two way trust.
>
> SSSD can happily recognize users from “mydomain.com”, but fails with users from
“mydomain2.com” - sssd complains that:
>
> (Mon Jul 30 08:26:38 2018) [sssd[be[adesto]]] [get_port_status] (0x1000): Port
status of port 389 for server 'server.mydomain2.com' is 'not working'
> (Mon Jul 30 08:26:38 2018) [sssd[be[adesto]]] [get_port_status] (0x0080): SSSD is
unable to complete the full connection request, this internal status does not necessarily
indicate network port issues.
>
> But I can connect to that server with ldapsearch just fine (using a TGT obtained
with kinit –k hostname$).
>
> Earlier in the logs I spotted that SSSD is trying to obtain TGT with a wrong
principal “host/hostname@REALM” instead of “hostname$@REALM”:
>
>
> (Mon Jul 30 08:32:34 2018) [sssd[be[adesto]]] [sdap_get_tgt_recv]
> (0x0400): Child responded: 14 [Client 'host/hostname(a)mydomain.COM'
> not found in Kerberos database], expired on [0] (Mon Jul 30 08:32:34
> 2018) [sssd[be[adesto]]] [sdap_kinit_done] (0x0100): Could not get
> TGT: 14 [Bad address] (Mon Jul 30 08:32:34 2018) [sssd[be[adesto]]]
> [sdap_cli_kinit_done] (0x0400): Cannot get a TGT: ret
> [1432158226](Authentication Failed)
>
>
> I am wondering why is SSSD trying now, all of sudden, to obtain a TGT using wrong
principal?
> Using RHEL-7.
> Thanks,
>
> Ondrej
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