[Freeipa-users] Forest trust and AD child domain
Sumit Bose
sbose at redhat.com
Mon Dec 15 14:42:59 UTC 2014
On Sat, Dec 13, 2014 at 02:13:30PM +0100, Manuel Lopes wrote:
> Hi,
>
> As explained in the previous email, the getent is successful.
>
>
> *[root at support1 ~]# getent group 'ACME\Domain Users' domain
> users at acme.windows.com:*:**365600513:administrator at acme.windows.com
> <365600513%3Aadministrator at acme.windows.com>*
>
>
>
> In fact, our real problem is not the “wbinfo –n” but the following command:
>
> *[root at support1 sssd]# ipa group-add-member ad_users_external --external
> "ACME\Domain Users"*
>
> *[member user]:*
>
> *[member group]:*
>
> * Group name: ad_users_external*
>
> * Description: AD users external map*
>
> * External member: *
>
> * Member of groups: ad_users*
>
> * Failed members:*
>
> * member user:*
>
> * member group: ACME\Domain Users: Cannot find specified domain or
> server name*
>
> *-------------------------*
>
> *Number of members added 0*
>
> *-------------------------*
>
>
>
> We cannot add ACME’s domain users in the ad_users_external.
>
>
>
> I attached the sssd logs.
Can you send the corresponding domain log file as well, it should be
called sssd_linux.com.log or similar.
bye,
Sumit
>
>
>
> Regards
>
> 2014-12-12 21:51 GMT+01:00 Manuel Lopes <manuel.lopes72 at gmail.com>:
> >
> > OK.
> >
> > Command successful
> > [root at support1 ~]# getent group 'ACME\Domain Users'
> > domain users at acme.windows.com:*:365600513:administrator at acme.windows.com
> >
> > Log files attached
> >
> > Thanks
> >
> > 2014-12-12 21:32 GMT+01:00 Sumit Bose <sbose at redhat.com>:
> >>
> >> On Fri, Dec 12, 2014 at 08:41:27PM +0100, Manuel Lopes wrote:
> >> > [root at support1 ~]# ipa idrange-find
> >> > ----------------
> >> > 3 ranges matched
> >> > ----------------
> >> > Range name: LINUX.COM_id_range
> >> > First Posix ID of the range: 1066000000
> >> > Number of IDs in the range: 200000
> >> > First RID of the corresponding RID range: 1000
> >> > First RID of the secondary RID range: 100000000
> >> > Range type: local domain range
> >> >
> >> > Range name: WINDOWS.COM_id_range
> >> > First Posix ID of the range: 730200000
> >> > Number of IDs in the range: 200000
> >> > First RID of the corresponding RID range: 0
> >> > Domain SID of the trusted domain:
> >> S-1-5-21-1701591335-3855227394-3044674468
> >> > Range type: Active Directory domain range
> >> >
> >> > Range name: ACME.WINDOWS.COM_id_range
> >> > First Posix ID of the range: 365600000
> >> > Number of IDs in the range: 200000
> >> > First RID of the corresponding RID range: 0
> >> > Domain SID of the trusted domain:
> >> S-1-5-21-1215373191-1991333051-3772904882
> >> > Range type: Active Directory domain range
> >> > ----------------------------
> >> > Number of entries returned 3
> >> > ----------------------------
> >> >
> >> >
> >> > As we can see in the ouput of the command, the range type is "ad POSIX
> >> > attributes".
> >>
> >> no, it's only 'Active Directory domain range', this is good because with
> >> this type we generate the UIDs and GIDs algorithmically.
> >>
> >> > In our case, the gidNumber is not set in the "ACME\Domain Users" AD
> >> group,
> >> > nor in the " WINDOWS\Domain Users".
> >> > With a gidNumber attribute value, the 'wbinfo -n "ACME\Domain Users"'
> >> still
> >> > command fails.
> >>
> >> no need to set the ID attributes in AD. But I should have mentioned
> >> that wbinfo is quite useless nowadays with FreeIPA because winbind is
> >> only used to assure some types of communication with AD. All user and
> >> group lookups and IP-mapping is done by SSSD. Please try
> >>
> >> getent group 'ACME\Domain Users'
> >>
> >>
> >> and send the sssd_nss.log and sssd_example.com.log files.
> >>
> >> bye,
> >> Sumit
> >>
> >> >
> >> > Thanks
> >> >
> >> > 2014-12-12 19:51 GMT+01:00 Manuel Lopes <manuel.lopes72 at gmail.com>:
> >> > >
> >> > > [root at support1 ~]# ipa idrange-find
> >> > > ----------------
> >> > > 3 ranges matched
> >> > > ----------------
> >> > > Range name: LINUX.COM_id_range
> >> > > First Posix ID of the range: 1066000000
> >> > > Number of IDs in the range: 200000
> >> > > First RID of the corresponding RID range: 1000
> >> > > First RID of the secondary RID range: 100000000
> >> > > Range type: local domain range
> >> > >
> >> > > Range name: WINDOWS.COM_id_range
> >> > > First Posix ID of the range: 730200000
> >> > > Number of IDs in the range: 200000
> >> > > First RID of the corresponding RID range: 0
> >> > > Domain SID of the trusted domain:
> >> > > S-1-5-21-1701591335-3855227394-3044674468
> >> > > Range type: Active Directory domain range
> >> > >
> >> > > Range name: ACME.WINDOWS.COM_id_range
> >> > > First Posix ID of the range: 365600000
> >> > > Number of IDs in the range: 200000
> >> > > First RID of the corresponding RID range: 0
> >> > > Domain SID of the trusted domain:
> >> > > S-1-5-21-1215373191-1991333051-3772904882
> >> > > Range type: Active Directory domain range
> >> > > ----------------------------
> >> > > Number of entries returned 3
> >> > > ----------------------------
> >> > >
> >> > >
> >> > > As we can see in the ouput of the command, the range type is "ad POSIX
> >> > > attributes".
> >> > > In our case, the gidNumber is not set in the "ACME\Domain Users" AD
> >> group,
> >> > > nor in the " WINDOWS\Domain Users".
> >> > > With a gidNumber attribute value, the 'wbinfo -n "ACME\Domain Users"'
> >> > > still command fails.
> >> > >
> >> > > Thanks
> >> > >
> >> > >
> >> > > 2014-12-12 10:33 GMT+01:00 Sumit Bose <sbose at redhat.com>:
> >> > >>
> >> > >> On Fri, Dec 12, 2014 at 02:06:05AM +0100, Manuel Lopes wrote:
> >> > >> > Hi Sumit,
> >> > >> >
> >> > >> > Thank you very much for the prompt reply
> >> > >> >
> >> > >> > [root at support1 ~]# ipa trustdomain-find windows.com
> >> > >> > Domain name: windows.com
> >> > >> > Domain NetBIOS name: WINDOWS
> >> > >> > Domain Security Identifier:
> >> S-1-5-21-1701591335-3855227394-3044674468
> >> > >> > Domain enabled: True
> >> > >> >
> >> > >> > Domain name: acme.windows.com
> >> > >> > Domain NetBIOS name: ACME
> >> > >> > Domain Security Identifier:
> >> S-1-5-21-1215373191-1991333051-3772904882
> >> > >> > Domain enabled: True
> >> > >> > ----------------------------
> >> > >> > Number of entries returned 2
> >> > >> > ----------------------------
> >> > >>
> >> > >> ok, so ACME was discovered successful, can you check next the output
> >> of
> >> > >>
> >> > >> ipa idrange-find
> >> > >>
> >> > >> The important attribute is the 'Range type' for the AD domains. If
> >> it is
> >> > >> 'Active Directory trust range with POSIX attributes' it is expected
> >> that
> >> > >> users and groups in the AD forest have the POSIX UID and GID
> >> attributes
> >> > >> set and only those users and groups will be available in the IPA
> >> domain.
> >> > >> In this case please check if 'ACME\Domain Users' have the GID
> >> attribute
> >> > >> set.
> >> > >>
> >> > >> If this does not help (please mind the negative cache of SSSD) please
> >> > >> send the SSSD logs in /var/log/sssd on the IPA server. You might
> >> need to
> >> > >> enable logging in sssd.conf by setting 'debug_level = 10' in the
> >> > >> [domain/..] and [nss] section of sssd.conf.
> >> > >>
> >> > >> bye,
> >> > >> Sumit
> >> > >>
> >> > >> >
> >> > >> > [root at support1 ~]# ipa trust-fetch-domains windows.com
> >> > >> > -------------------------------
> >> > >> > No new trust domains were found
> >> > >> > -------------------------------
> >> > >> > ----------------------------
> >> > >> > Number of entries returned 0
> >> > >> > ----------------------------
> >> > >> >
> >> > >> > Regards
> >> > >> > Le 11 déc. 2014 20:08, "Sumit Bose" <sbose at redhat.com
> >> > >> > <javascript:_e(%7B%7D,'cvml','sbose at redhat.com');>> a écrit :
> >> > >> >
> >> > >> > > On Thu, Dec 11, 2014 at 06:45:49PM +0100, Manuel Lopes wrote:
> >> > >> > > > Hello,
> >> > >> > > >
> >> > >> > > >
> >> > >> > > > We have been following the AD integration guide for IPAv3:
> >> > >> > > > http://www.freeipa.org/page/Howto/IPAv3_AD_trust_setup
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > > Our setup is:
> >> > >> > > >
> >> > >> > > > • 2 domain controllers with Windows 2008 R2 AD DC ->
> >> windows.com
> >> > >> > > > <http://example.com/> as Forest Root Domain and
> >> acme.windows.com
> >> > >> > > > <http://acme.example.com/> as transitive child domain
> >> > >> > > >
> >> > >> > > > • RHEL7 as IPA server with domain: linux.com
> >> > >> > > > <http://linux.acme.example.com/>
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > > We have established a forest trust between windows.com and
> >> > >> linux.com and
> >> > >> > > > everything seems OK from an IPA perspective.
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > > We can work with Kerberos tickets without any issue from
> >> “windows”
> >> > >> domain
> >> > >> > > > or his child domain “acme”. (kinit, kvno…)
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > > When we use samba tools, the following command is working fine.
> >> > >> > > >
> >> > >> > > > *[root at support1 ]# wbinfo -n 'WINDOWS\Domain Admins'*
> >> > >> > > >
> >> > >> > > > *S-1-5-21-1701591335-3855227394-3044674468-512 SID_DOM_GROUP
> >> (2)*
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > > But, the same command against the acme domain returns an error.
> >> > >> > > >
> >> > >> > > > *[root at support1 ]# wbinfo -n 'ACME\Domain Admins'*
> >> > >> > > >
> >> > >> > > > *failed to call wbcLookupName: WBC_ERR_DOMAIN_NOT_FOUND*
> >> > >> > > >
> >> > >> > > > *Could not lookup name ACME\Domain Admins*
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > > Same problem with the following command:
> >> > >> > > >
> >> > >> > > > *[root at support1]# ipa group-add-member ad_users_external
> >> --external
> >> > >> > > > "ACME\Domain Users"*
> >> > >> > > >
> >> > >> > > > *[member user]:*
> >> > >> > > >
> >> > >> > > > *[member group]:*
> >> > >> > > >
> >> > >> > > > * Group name: ad_users_external*
> >> > >> > > >
> >> > >> > > > * Description: AD users external map*
> >> > >> > > >
> >> > >> > > > * External member: *
> >> > >> > > >
> >> > >> > > > * Member of groups: ad_users*
> >> > >> > > >
> >> > >> > > > * Failed members:*
> >> > >> > > >
> >> > >> > > > * member user:*
> >> > >> > > >
> >> > >> > > > * member group: ACME\Domain Users: Cannot find specified
> >> domain
> >> > >> or
> >> > >> > > > server name*
> >> > >> > > >
> >> > >> > > > *-------------------------*
> >> > >> > > >
> >> > >> > > > *Number of members added 0*
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > > Any help would be appreciated
> >> > >> > >
> >> > >> > > Does
> >> > >> > >
> >> > >> > > ipa trustdomain-find windows.com
> >> > >> > >
> >> > >> > > show acme.windows.com as well ?
> >> > >> > >
> >> > >> > > Does
> >> > >> > >
> >> > >> > > ipa trust-fetch-domains ad.devel
> >> > >> > >
> >> > >> > > help to retrieve the child domain?
> >> > >> > >
> >> > >> > > Please note that if acme.windows.com now shows up you might
> >> have to
> >> > >> wait
> >> > >> > > 1-2 minutes until SSSD's negative caches are flushed and the new
> >> > >> domains
> >> > >> > > is discovered by SSSD, as an alternative you can just restart
> >> SSSD.
> >> > >> > >
> >> > >> > > HTH
> >> > >> > >
> >> > >> > > bye,
> >> > >> > > Sumit
> >> > >> > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > >
> >> > >> > > > Regards
> >> > >> > >
> >> > >> > > > --
> >> > >> > > > Manage your subscription for the Freeipa-users mailing list:
> >> > >> > > > https://www.redhat.com/mailman/listinfo/freeipa-users
> >> > >> > > > Go To http://freeipa.org for more info on the project
> >> > >> > >
> >> > >> > > --
> >> > >> > > Manage your subscription for the Freeipa-users mailing list:
> >> > >> > > https://www.redhat.com/mailman/listinfo/freeipa-users
> >> > >> > > Go To http://freeipa.org for more info on the project
> >> > >>
> >> > >> > --
> >> > >> > Manage your subscription for the Freeipa-users mailing list:
> >> > >> > https://www.redhat.com/mailman/listinfo/freeipa-users
> >> > >> > Go To http://freeipa.org for more info on the project
> >> > >>
> >> > >> --
> >> > >> Manage your subscription for the Freeipa-users mailing list:
> >> > >> https://www.redhat.com/mailman/listinfo/freeipa-users
> >> > >> Go To http://freeipa.org for more info on the project
> >> > >>
> >> > >
> >>
> >>
> >>
> >>
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