samba - Sep 2006 - Autentication against BDC first

Hi all, I have this question, I ve got a master LDAP server on a remote
place and i want to install a PDC and a BDC and a slave ldap server in
other place.
Mi question is... may I force de WorkStations logging (read the
information )against the BDC first than PDC, so the READ trafic goes to
the Slave Ldap??? The problem is the network avoid READ traffic. 

In the Samba FAQ recomends that the:
PDC--->use de Master Ldap and
the BDC --->use a Slave Ldap

this is a network map for the idea:

		MASTER LDAP on Remote Site
			|
			|
			Wan 
                        |
			|
	SMB PDC 	SMB BDC	  Slave Ldap on LAN	
			|
			|
			|
			WS

So when I log into the WS the BDC ask to the local Slave LDAP trough the
LAN network.

And if i need to change a password of the user on PDC goes trough WAN
and modify the master LDAP and this then modify the Slave LDAP trough
the WAN.

So... my question is can I configure my BDC with the priority.
Maybe... on the PDC set:

domainsmaster=yes
domainlogons=no 

and on the BDC
domainmaster=no
domainlogons=yes.

Many many thanks and scuse my poor english.

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On 09/28/2006 11:56 AM, Diego Martin Fernandez Fazio
escreveu:
> Hi all, I have this question, I ve got a master LDAP server 
> on a remote place and i want to install a PDC and a BDC and
> a slave ldap server in other place.
> Mi question is... may I force de WorkStations logging (read 
> the information )against the BDC first than PDC, so the READ
> trafic goes to the Slave Ldap??? The problem is the network
> avoid READ traffic.
	You can have a local network using your BDC if it is
the Master server of the network, yes it is possible, just
follow the Samba Official HOWTO recommendation.

> In the Samba FAQ recomends that the:
> PDC--->use de Master Ldap and
> the BDC --->use a Slave Ldap
	You can also have all the servers using the same LDAP
backend, but that's a different story, the above model is the
recommended one.

> this is a network map for the idea:
> 
> 		MASTER LDAP on Remote Site
> 			|
> 			|
> 			Wan 
>                         |
> 			|
> 	SMB PDC 	SMB BDC	  Slave Ldap on LAN	
> 			|
> 			|
> 			|
> 			WS
> 
> So when I log into the WS the BDC ask to the local Slave LDAP trough the
> LAN network.
> 
> And if i need to change a password of the user on PDC goes trough WAN
> and modify the master LDAP and this then modify the Slave LDAP trough
> the WAN.
> 
> So... my question is can I configure my BDC with the priority.
> Maybe... on the PDC set:
> 
> domainsmaster=yes
> domainlogons=no 
	You need "domain logons = yes" to be the PDC.

http://us1.samba.org/samba/docs/man/Samba-HOWTO-Collection/samba-pdc.html

> and on the BDC
> domainmaster=no
> domainlogons=yes.
> 
> Many many thanks and scuse my poor english.
	The PDC needs to update the LDAP Master always, there are
lots of things going on, computers change their passwords, people
changes their passwords... You could use some strategy of data
replication between the LDAPs to try to reduce the traffic, but it
is also a different story.

	Kind regards,

- --
Felipe Augusto van de Wiel <felipe@paranacidade.org.br>
Coordenadoria de Tecnologia da Informa??o (CTI) - SEDU/PARANACIDADE
http://www.paranacidade.org.br/           Phone: (+55 41 3350 3300)
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