FORMERR resolving AAAA/IN records

Oliver Henriot Oliver.Henriot at imag.fr
Thu Mar 26 08:45:24 UTC 2009


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Dear list users,

I have a bind 9.3 server on a centos 5.2 machine which logs huge (about
12 errors every second) quantities of FORMERR messages while trying to
resolve AAAA/IN records which look like this :

Mar 25 08:44:24 myserver named[1124]: FORMERR resolving
'auniarael.com/AAAA/IN': 216.69.185.38#53

I'm a bit of a bind noob so I scoured the bind 9.3 ARM and the web
looking for info which could help me understand what is going wrong. I
found nothing of much use to me, appart from a thread on this list from
2006 in which Barry Finkel has a similar question. I followed the
logging instructions he gives and solved the overfull /var/log problem
but I presume I still have these FORMERR problems occuring.

Just for info, if it of any use, in a log file from before modifying
logging, I had 1826550 lines of AAAA FORMERR but of these, only 275
unique adresses, so it's always the same requests and always the same
errors...
I don't think it's a recursion problem, I have restricted that to my
networks.
I only get these logs on this server, not on any of the others.

I'd greatly appreciate if someone could point me in the right direction
to try and work out what is going wrong and fix it.

Cheers,
- --
Oliver Henriot B.Sc. Ph.D. | Technicien de Maintenance
Moyens Informatiques et Multimédia | UMS MI2S | http://mi2s.imag.fr/
Domaine universitaire BP53 | 38041 Grenoble cedex 9 | France
tel.: +33 4 76 51 43 48 | fax: +33 4 76 51 47 15



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