dynamic dns in radius?

[Alan DeKok]

Karl Auer wrote:
>>   DHCP does DDNS.  RADIUS doesn't.
> 
> NASes may..

  Based on RADIUS User-Names?  This is dumb.  The NAS should at *least*
assign names based on a VSA.  Using the User-Name is wrong.

> Here's the full scoop then: This "NAS" is a tunnel broker. When you
> bring up a tunnel, you get an endpoint allocated to you. The tunnel
> broker then registers that address against your name in an appropriate
> domain. If you are "fred", it will register "fred.domain" for you, with
> an forward record mapping the name to the allocated address. It also
> registers the allocated address in the appropriate reverse zone, with a
> reverse record mapping the address to the name.

  Nice... but there's no reason to *rely* on the User-Name.

> So I'm thinking turn off the broken functionality in the NAS, and let
> the RADIUS server do the updates. It has all the information it needs
> except the nameserver to talk to, which could be configured into this
> hypothetical module or script.

  Exactly.  For now, it's best to write a script.

  Alan DeKok.