[Pdns-users] Ignoring answer from server socket!

bert hubert bert.hubert at netherlabs.nl
Mon Feb 17 14:15:49 UTC 2014


On Mon, Feb 17, 2014 at 03:12:01PM +0100, caruso at tiscali.com wrote:
> Hello list,
> I'm trying to investigate the output of my pdns recursor,
> I'm getting a lot of messages like :
> 
> Ignoring answer from x.y.z.k on server socket!
> 
> where x.y.z.k are various client ip addresses.

Which version are you running? How often do you get these messages,
thousands of times? Which operating system? Are you behind NAT perhaps?

> so it seems like a client is sending an answer where the 
> pdns_recursor was expecting a query, reading previous 
> messages I thought that this could be a ddos/amplification
> pointed at my machines.

It could be!

	Bert




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