Gerhard Schmidt wrote:
> I'm setting up a new FreeBSD Server for out local Computer club. Most of
> the users are stored in LDAP and I've installed nss_ldap and pam_ldap
> and set up both. Everything works so far with nsswitch.conf
> entry passwd: ldap files.
> 
> When I try passwd: files ldap the login doesn't work anymore because the
> LDAP_Server is never asked.

The act of logging in is managed by /etc/pam.d/*, not
/etc/nsswitch.conf. If `ls -l` works, you've got NSS configured
correctly.

> I tried this to optimize the LDAP requests as the service users are in
> the local files. This would speed up the boot process and takes some
> load off the LDAP-Server.
> 
> Is there a way to configure FreeBSD to look first in the local files and
>  if a user isn't found in the LDAP-Server.

This is my /etc/nsswitch.conf:

| group: files ldap
| hosts: files dns
| networks: files
| passwd: files ldap
| shells: files

And /etc/pam.d/system:

auth     sufficient     pam_unix.so             no_warn
auth     required       /usr/local/lib/pam_ldap.so      no_warn use_first_pass

My guess is you used required for both modules, which would require
authentication to succeed against both user databases.

> And another question. Is there a way to use two different LDAP-Servers
> e.g. by calling nss_ldap with different config files.

What's your goal? We have two different LDAP providers with different
subtrees that get "glued" together by a DNS round-robin of LDAP consumers.
This round-robin provides a single, unified view of our directory to all
our LDAP clients.

-- 
Chris Cowart
Network Technical Lead
Network & Infrastructure Services, RSSP-IT
UC Berkeley

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