Dynamic Host DNS Registration

Barry Margolin barmar at alum.mit.edu
Fri Jul 8 06:15:53 UTC 2005


In article <dakpmk$r26$1 at sf1.isc.org>, Danny Mayer <mayer at gis.net> 
wrote:

> Jim Logan wrote:
> > Danny Mayer wrote:
> > 
> >> Don't allow your Windows systems to update the DNS zone, have the DHCP
> >> server do that. It's too insecure and much harder to manage the way you
> >> are proposing. A DHCP server can send both A and PTR records as
> >> necessary to BIND. You can also configure DHCP to authenticate itself
> >> (with TSIG, IIRC) and only allow that system to update DNS.
> > 
> > 
> > I don't think my SMC router/DHCP-server can do that.  I'll eventually 
> > have to get DHCP working on my server I guess...
> > 
> > -Jim
> 
> Then I doubt that it's conformant to DHCP RFC's.

The DHCP specification discusses the communication between the DHCP 
client and server.  I don't think it says anything about DHCP servers 
updating DNS servers.  That's something many DHCP servers do, but it's 
an add-on for integration, not part of the DHCP protocol.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***



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