[Samba] known relationship between dynamic dns update (with bind9 and dhcp3) and "os level" and/or "prefered master"?

[Noèl Köthe]

Hello,

I'm using samba 2.2.8a with bind 9 and dhcpd 3 everything on one
machine.

I setup dynamic dns updates for the Windows NT, 2000 and XP client so
their hostnames will get an reverse and forward dns entry (dhcp always
add the reverse entry; w2k and xp add the forward entry themself and for
nt the dhcp is doing the forward entry because nt cannot do dns
updates).
Then I added samba on the machine to act as WINS server ( wins server =
yes) without any other special options (PDC is a NT4 machine). The
dynamic dns updates still works.

Then I set
	os level = 250
	prefered master = yes

and the XP Client (didn't tested w2k and nt until now) is know always
trying to set/update the dns reverse and forward entry via GSS-TSIG (MS
dialect of the normal bind TSIG) on bind9.

Is this behaviour know?
Or better is it documented somewhere?

Maybe it could be that from os level x the client is sure it talks with
a Windows 2000 Server and communicates with this machine (samba and dns
are on the same one) in an other way (signed dns updated).

If its not known/documented I will try to collect more details on this.

Thanks alot.

-- 
Noèl Köthe <noel debian.org>
Debian GNU/Linux, www.debian.org
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