socket.c / interal_send errors

[Mark Andrews]

> Hello,
> 
> This morning I started to get the following errors in my logs:
> 
> Oct 25 00:44:34 server_01 named[10549]: general: error: socket.c:1111:
> unexpected error:
> Oct 25 00:44:34 server_01 named[10549]: general: error: internal_send:
> 0.0.0.2#53: Invalid argument
> 
> I haven't had much lucky in isolating the cause.  I saw the posts
> regarding relays.monkeys.org/244.254.254.254 causing problems similiar
> to this, and I understand that specific instance.  So, I am
> concerned/stumped on the "0.0.0.2" IP address.
> 
> Does anyone have any suggestions?
> 
> Thanks,
> --Craig
> 

	You and your provider have both failed to implement
	BCP38 (http://www.faqs.org/rfcs/bcp/bcp38.html)

	See also http://www.cymru.com/Bogons/

	You should not be seeing packets from 0.0.0.2.  It appears
	the Linux kernel knows that 0.0.0.2 (0.0.0.0/8) is an invalid
	destination and generates "Invalid argument" rather than
	"Network Unreachable" for that case.

	Mark

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