named error?

[Mark_Andrews at isc.org]

> Gerald Waugh wrote:
> > I recently started seeing this error, new on to me....
> > 
> > Feb 12 22:33:56 fsn1 named[823]: socket.c:1100: unexpected error:
> > Feb 12 22:33:56 fsn1 named[823]: internal_send: 244.254.254.254#53:
> > Invalid argument
> > 
> > Where is this coming from, Please?
> I see a similar error when my network connection has dropped on my home
> system, and BIND can't talk to anything.
> 
> What a funny IP address....... where did it get that from?
 
This is becoming a FAQ.

You have a client trying to lookup relays.monkeys.com (a dead anti-spam list)
which has a bad server with a CLASS E addressess.

* Mark the server as bogus.
* Fix the broken MTA generating the queries.

Mark

server 244.254.254.254 {
        bogus yes;
};

; <<>> DiG 9.2.3 <<>> ns relays.monkeys.com @ns4.monkeys.com
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16399
;; flags: qr rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; QUESTION SECTION:
;relays.monkeys.com.            IN      NS

;; ANSWER SECTION:
relays.monkeys.com.     86400   IN      NS      bogus-maximus.monkeys.com.

;; ADDITIONAL SECTION:
bogus-maximus.monkeys.com. 86400 IN     A       244.254.254.254

;; Query time: 244 msec
;; SERVER: 66.60.159.24#53(ns4.monkeys.com)
;; WHEN: Sat Feb 14 07:08:54 2004
;; MSG SIZE  rcvd: 80

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