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Hey guys,

Got hit by my first semi significant DoS today, about 28 queries per second caused 4 Mbps outbound.

CPU went from 4-6% to 20%. The whole thing went on for about 4-5 hours until I blacklisted the 3 IPs involved.

They requested a massive TXT record that was on a russian server somewhere.

Anyone see something similar?

[opennic-discuss] DoS amp attack today, Guillaume Parent, 04/15/2013
- Re: [opennic-discuss] DoS amp attack today, Kenny Taylor, 04/15/2013
- Re: [opennic-discuss] DoS amp attack today, David Norman, 04/15/2013
  - Re: [opennic-discuss] DoS amp attack today, Jeff Taylor, 04/16/2013
    - Re: [opennic-discuss] DoS amp attack today, Tim Groeneveld, 04/16/2013
      - Re: [opennic-discuss] DoS amp attack today, Tim Groeneveld, 04/16/2013
        
        Re: [opennic-discuss] DoS amp attack today, Stefan Sabolowitsch, 04/16/2013
        
        Re: [opennic-discuss] DoS amp attack today, Futuro, 04/16/2013
        
        Re: [opennic-discuss] DoS amp attack today, Jeff Taylor, 04/16/2013
        
        Re: [opennic-discuss] DoS amp attack today, Guillaume Parent, 04/16/2013
        Re: [opennic-discuss] DoS amp attack today, Jeff Taylor, 04/16/2013