[dns-operations] Interesting messages in our logs

Stephane Bortzmeyer bortzmeyer at nic.fr
Sat Nov 1 15:49:23 UTC 2014

On Sat, Nov 01, 2014 at 10:10:07AM -0500,
 Lyle Giese <lyle at lcrcomputer.net> wrote 
 a message of 23 lines which said:

> Interesting error messages.  Someone was running a host name scan
> against a domain hosted here and it looks like they were doing it
> via Google DNS.

It seems also that RRL started and sent SLIP answers, leading Google
Public DNS to retry with TCP.

> Oct 31 04:10:52 linux1 named[2899]: client
> 2607:f8b0:4001:c07::151#61651: no more TCP clients: quota reached

If you wish to handle this amount of requests, you can raise
the tcp-clients parameter.

options { tcp-clients 300; };

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