[Pdns-users] Mitigating / stopping recent Denial of Service Attacks

Aki Tuomi cmouse at youzen.ext.b2.fi
Sun Jun 1 21:40:24 UTC 2014

On Sun, Jun 01, 2014 at 03:58:45PM -0500, okTurtles wrote:
> So on twitter I was pointed to this blog post about what seems to be about a related (or the same) attack:
> http://blog.powerdns.com/2014/04/03/further-dos-guidance-packages-and-patches-available/
> Now, I'm not clear on this however. Is the mitigation described in that link a solution to this problem?
> I updated to 3.6RC1 and the good news is that the throttled percentage has gone up from 0% to 30%.

Did you configure the server-down-max-fails ? Did you read
http://blog.powerdns.com/2014/02/06/related-to-recent-dos-attacks-recursor-configuration-file-guidance/ ?

Aki Tuomi

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