socket.c:1100: unexpected error

[Mark Andrews]

> I've been seeing a few of the following errors lately.
> 
> Jan 26 17:49:55 bugs named[744]: socket.c:1100: unexpected error:
> Jan 26 17:49:55 bugs named[744]: internal_send: 67.173.252.243#0:
> Invalid argument
> Jan 26 17:49:55 bugs named[744]: client 67.173.252.243#0: error sending
> response: invalid file
> 
> I goggled a bit, all i could find was others reporting similar
> instances, but i never saw a definitive explanation.  Does anyone have a
> clear explanation of what causes this error?  Specifically, is it a
> valid query gone bad, or is it suspicious activity?
> 
> Bind: 9.2.1-1

	Upgrade.
	
1241.   [bug]           Drop received UDP messages with a zero source port   
                        as these are invariably forged. [RT #2621]

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