FQDNs in masters-list (was: Help: Secondary for...)

Kevin Darcy kcd at daimlerchrysler.com
Tue Mar 6 21:20:58 UTC 2001


Brad Knowles wrote:

> At 2:09 PM +0100 3/6/01, Andreas S. Oesterhelt wrote:
>
> >  Would you mind to give any suggestion how the configuration syntax for
> >  this should look like? Since the stealth master doesn't have a static
> >  IP address, it can't be listed in masters nor in allow-notify.
>
>         The problem is that you're trying to combine security (e.g.,
> something along the lines of TSIG) with dynamic updates, and right
> now these two options are pretty much mutually exclusive.
>
>         Experts have been working on this problem for some time, and I
> don't know of any solutions that have yet come out.  I'd be very
> interested to see any kind of solution you might come up with that
> would actually work.

Well, actually, TSIG-authenticated Dynamic Updates work fine, but this is
rather beside the point: the original suggestion called for signed
*NOTIFYs*, not Dynamic Updates. Signed NOTIFYs are technically illegal, but
a slight extension to RFC 1996 would permit them.


- Kevin



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