There have been several DNS based DDoS observed throughout the day targetting Ultra as well as a few other companies. They were first observed earlier in the morning on the East coast.
------Original Message------ From: Richard A Steenbergen To: Shrdlu Cc: Nanog Subject: Re: UltraDNS Failure? Sent: Dec 23, 2009 8:42 PM On Wed, Dec 23, 2009 at 05:38:21PM -0800, Shrdlu wrote: > I'm still seeing the DNS servers at udns down, hard. Amazon's cloud will > need a reboot when this is over. Dang, what the heck happened to all > that anycast stuff? We have some DNS providing type customers (not UltraDNS) receiving a few million packets/sec of UDP/53 DoS traffic, starting at about the same time as the UltraDNS problems. No clue if it's related, but it certainly sounds suspicious. :) -- Richard A Steenbergen <r...@e-gerbil.net> http://www.e-gerbil.net/ras GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC) Sent from my Verizon Wireless BlackBerry
