[Samba] member server idmap config (auto)rid
nprice at gibb.co.za
Tue Aug 8 14:53:46 UTC 2017
On 08/08/2017 12:04, mathias dufresne via samba wrote:
> Could you post the whole smb.conf? That should help...
The server is maybe not normal as its a high availability cluster, so
the netbios name is not the same as the linux hostname. Hope that makes
sense and is not a problem..
interfaces = 127.0.0.0/8 eth0:0 <== This is a drbd/pacemaker
netbios name = PTA-CLUSTER <-----Ditto
realm = AD.GIBB.CO.ZA
workgroup = GIBB
log file = /var/log/samba/log.%m
max log size = 1000
syslog = 0
panic action = /usr/share/samba/panic-action %d
map to guest = Bad User
security = ADS
server role = member server
username map = /etc/samba/user.map
winbind enum groups = Yes
winbind enum users = Yes
dns proxy = No
wins server = 192.168.112.94 192.168.104.65
idmap config GIBB : range = 1000000-1199999
idmap config GIBB : backend = rid
idmap config * : range = 3000-7999
idmap config * : backend = tdb
> Did you install libpam-winbind? libpam-krb5?
> Kerberos is working? It should as you mentioned join was ok.
Yes it works but seems very slow. kinit followed by klist.
I'm getting inconsistent results. Now it works, now it doesn't. I'm
looking at the possibility that one of the many Windows AD servers is at
fault and samba is occasionally choosing that one. It looks like using
"password server" is not recommended and it fact it it did not help.
I still need to to work through Louis' helpful post.
> Anyway and in short, to help we need information.
> And playing with wbinfo could help to understand what you missed
> (wbinfo -n
> username; wbinfo -S userSID; wbnifo -i username; for a start)
> 2017-08-07 16:44 GMT+02:00 Neil Price via samba <samba at lists.samba.org>:
>> I've joined a samba 4.48 (debian stretch) to a Windows 2008R2 AD domain
>> according to
>> It joins OK but I cannot get idmap rid (or autorid) to work
>> idmap config * : backend = autorid
>> idmap config * : range = 1000000-1199999
> Using only these two lines AD users and groups could become Linux
> users and
> groups but their UID/GID will be randomly generated, which is
> certinaly not
> what you want (at least in future that's you should regret)
>> Nothing is returned for getent "SAMDOM\user"
>> log.winbindd shows:
>> [2017/08/07 15:44:08.377559, 3] ../source3/winbindd/winbindd_g
>> getpwnam SAMDOM\user
>> [2017/08/07 15:45:12.561500, 5] ../source3/winbindd/winbindd.c
>> Client request timed out, shutting down sock 26, pid 639
>> (libnss_winbind is installed and nsswitcy.conf modified as per wiki)
>> If however I use
>> idmap config * : backend = tdb
>> idmap config * : range = 3000-7999
>> idmap config SAMDOM : backend = rid
>> idmap config SAMDOM : range = 1000000-1199999
> Using these 4 lines is the right thing to do: idmap-rid will generate
> UID/GID using LDAP object's RID + 1000000 (according to what you
> wrote) and
> as UID/GID are now based on RID which is stable your UID/GID will be
> too (not randomly generated)
>> Then getent "SAMDOM\user" works but the uid is taken from the *
>> range, not
>> What am I doing wrong?
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