high-port queries - what do they do?

[Mark_Andrews at isc.org]

> i have been using the allow-query mechanism and when i upgraded to 8.2.1 i
> now see a lot of unapproved queries for "." coming from the internet.  and
> they usually come in batches of 15-20 at once from the same ip address.
> i'm guessing it is a confused client, but it seems to be related to 8.2.1.
> maybe i should allow queries to "." to make it shut up :-).
> 
> also, every once in a while i do see an unapproved query for a domain that
> i do host and do allow all queries to.  queries of type any don't seem to
> confuse it anymore, so i'm wondering if there is still a known problem
> with allow-query?

	This is a known problem.

	Mark
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org