message ``sendto failed: Invalid argument''

Arnt Gulbrandsen arnt at
Mon Jan 30 10:03:46 UTC 2006

Miek Gieben writes:
> [On 26 Jan, @18:32, Peter Koch wrote in "message ``sendto failed: Inval ..."]
>>  So, nsd could (silently) ignore DNS packets with src port 0 or log 
>>  the error with more detail or both. Opinions?
> Hmm... the current behavoir of NSD should be changed IMO. The danger 
> is that if we log such queries we create a small DOS attack (which is 
> also present now).

Since the DOS is present, does it matter if it's extended a bit? As long 
as the log message doesn't fill the logs in the the absence of attacks, 
I mean?

After all, anyone with access to the source can DOS nsd perfectly well 
as it is.


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