[Dnsmasq-discuss] dnsmasq 2.86 seems to stop reading from one of its dns sockets after a period of time under load

[Geert Stappers]

On Fri, May 13, 2022 at 08:15:42PM -0400, wkitty42 at gmail.com wrote:
> On 5/13/22 3:48 PM, Simon Kelley wrote:
> > So queries are being received, and answered, but the reply is being
> > dropped by the kernel because the send queue is full of replies to dead
> > hosts? If the hosts are dead, where are the queries coming from to
> > generate these blocked replies?
> 
> reading the OP and the following responses, i almost wonder if there's some
> sort of "reflection attack" going on...
> 

Thanks for raising awareness of malicious factors.

After reading https://en.wikipedia.org/wiki/Reflection_attack I fail to
see why this particular kind attack could be in play.
Which authentication does dnsmasq with what?


Groeten
Geert Stappers
-- 
Silence is hard to parse