[Samba] krb5.conf file in /var/lib/samba/smb_krb5; Samba 3.0.27a

Alex de Vaal samba.alex at gmail.com
Thu Feb 28 07:50:25 GMT 2008

Hello Eric,

Thnx for your answer, now I know I couldn't find anything about the
subject... ;-)
Before I asked the question about the krb5.conf file in
/var/lib/samba/smb_krb5 I searched all Samba documentation and googled
around, but I didn't find an answer that satisfied me.
I already noticed that this file has a link with the gencache.tdb file, I
played around with this in my test environment (remove the files and start
the daemons and look what is in it with a binary editor).

I'd like to understand what the file does, because my Samba domain members
in the live environment have no DC's in the same IP net, they are all behind
routers. So I want to know how this works, before I use Samba 3.0.27a in my
live AD environment.

BTW; you can see with "netstat -na | grep 445" to which DC the Samba server
is talking to...


On Wed, Feb 27, 2008 at 5:52 PM, Eric Roseme <eroseme at emonster.rose.hp.com>

> I asked a co-worker who attended the Samba workshop last September to
> pose the following question.  The answer follows (maybe it will help):
> Q1.       Will the new (3.0.25b) krb5 code (that creates a
> Samba-specific krb5.conf file) be documented somewhere?
> A1.  Samba does not have documentation about the Samba-specific
> krb5.conf that is placed in locking directory. And also, after running
> kinit to obtain Kerberos ticket, Samba stores the ticket into memory
> tdb, probbaly gencache.tdb. But Samba doesn't provide a tool to allow
> users to see which DC Samba is talking to. Currently, we can use klist
> to see which domain is being used by Samba.
> Obviously this does not answer your question about how it works, but it
> might get you closer.
> Eric Roseme

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