Thanks.
Looks pretty complicated. 
I know that no cryptic keys are required on the work network.
Just this:
send host-name "laddy"; 
and it works.


there must be a simple answer before attempting my next 
masters degree in secure dynamic dns:).

surely?

Paul.





On Sun, 2007-08-19 at 08:35 -0400, Steven M. Bellovin wrote:
> On Sun, 19 Aug 2007 22:22:46 +1000
> "Paul (NCC/CS.)" <pts@bom.gov.au> wrote:
> 
> > 
> > Hi, 
> > how can I get updates into the dns from dhcpd when 
> > a new machine comes on my network?
> > 
> > If i add a new machine, I give it a name and it gets 
> > an address from being a dhcp client. But the dhcp server
> > that also runs named can't seem to add the new name
> > to the dns database. Quite debilitating.
> > 
> > In the client I have in dhclient.conf
> > send host-name "laddy"; 
> > 
> > So I think it's something in named.conf on the server.
> > But what?
> > ( I have a server machine that does named and dhcpd ).
> > 
> See http://www.ops.ietf.org/dns/dynupd/secure-ddns-howto.html .  I've
> been using the dhclient-exit-hooks variant for several years.
> 
> 
> 		--Steve Bellovin, http://www.cs.columbia.edu/~smb