[Samba] Using LDAP, no PDC/BDC, for multiple samba servers
Adam Williams
awilliam at mdah.state.ms.us
Fri Aug 1 15:22:29 GMT 2008
sure you can have multiple domains with all the account info in LDAP.
if you really want it to work together well you'll have a PDC and BDC's
though. you may be able to try samba intertrust relationships, but i've
never used that
Soohoon Lee wrote:
>
> Thanks all
> This is my smb.conf
> [global]
> dos charset = UTF-8
> workgroup = DOMSMB
> security = user
> allow trusted domains = No
> password server = NULL
> passdb backend = ldapsam:ldap://10.17.124.190/
> <http://10.17.124.190/>
> max log size = 50
> load printers = No
> stat cache = No
> os level = 10
> dns proxy = No
> ldap suffix = dc=my-domain,dc=com
> ldap user suffix = ou=Users
> ldap group suffix = ou=Groups
> ldap admin dn = cn=Manager,dc=my-domain,dc=com
> ldap ssl = no
>
> And I like to make multiple samba servers to share single LDAP server
> without using domain controller feature.
> I'm getting feeling that pure LDAP server is for single samba server
> or the LDAP server should have samba DC to serve multiple samba servers?
>
> Thanks,
> Soohoon.
>
> On Fri, Aug 1, 2008 at 7:02 AM, Lukasz Zalewski <lukas at dcs.qmul.ac.uk
> <mailto:lukas at dcs.qmul.ac.uk>> wrote:
>
> Lukasz Zalewski wrote:
>
> Adam Williams wrote:
>
> are you using security = user or security = domain on your
> multiple servers?
> Soohoon Lee wrote:
>
> Hi
> Is it possible to use single LDAP server and multiple
> samba servers?
> The problem I'm having now is
> Each server thinks their host name is their LDAP
> domain name, or
> sambaDomainName, and
> complain the user's SID is different so can't
> authenticate.
> How do I make samba servers use one domain name and SID?
>
> LDAP domain name is DOMSMB
>
> dn: sambaDomainName=DOMSMB,dc=my-domain,dc=com
> sambaSID: S-1-5-21-2479917030-3150298425-213194246
>
> And samba server created a new domain after its hostname.
>
> dn: sambaDomainName=SRV6,dc=my-domain,dc=com
> sambaSID: S-1-5-21-4202146032-850913369-3381557932
> And complain user's SID is different from its SID.
>
> Thanks,
> Soohoon.
>
>
>
>
> We have student domain and staff domain and one LDAP server.
> We wanted staff members to log onto student domain. So we
> considered two options:
> 1. Interdomain trust relationship
> (http://us4.samba.org/samba/docs/man/Samba-HOWTO-Collection/InterdomainTrusts.html)
>
> However this option was not good for us as we didn't want to
> open up the firewall and we wanted staff members to get the
> proper student experience (i.e. home dirs and profiles on the
> student server). So that brought us to the second option:
> 2. ldap translucent proxy overlay
> (http://linux.die.net/man/5/slapo-translucent)
> In this setting we override sids (i.e. domain sid part of the
> staff domain is substituted with student domain portion of the
> sid) for users and groups and point samba to the overlay. Bear
> in mind that all of the changes make by samba like machine
> passwords, user passwords, idmap mappings etc will go no
> further than the proxy so great care must be taken in LDAP
> setups that use referrals.
>
>
> Now the most important question is what do you use you two
> domains for?
>
> HTH
>
> Lukasz
>
>
> Ah sorry I didn't read the Subject line properly you do not want
> PDC. As Andy pointed out maybe you should have one of the servers
> as a domain member of the other domain
>
> Lukasz
>
>
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