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A post mortem of the massive DDoS attack and its implications

What exactly happened that enabled the enlistment of a zombie army of 100,000 IoT devices to attack Dyn on 10/21/2016. 

There seems to be a lot of misunderstanding on what exactly happened, thus much of the advice that's given does not fit. I'll start by describing what a DDoS is exactly then get into specifics of this attack. 

What changes did Dyn make after the attack to mitigate future attacks. What are some examples and patterns of DNS changes made by the companies affected? What are the strengths and weaknesses in their approaches? How is this relevent to you?

About Neil Anuskiewicz

Neil worked as Hostmaster for Pacifier Online Data Services (PODS) in the mid '90s. Since then he's worked for a non-profit organization and an Email Service Provider (ESP).  In 2002, Neil published An Introduction to DNS and DNS Tools for the Linux Journal. This year, he wrote an article about email authentication, an aspect of security that many experts seem to overlook

Neil's long felt passionate about Open Source, even writing a political piece back when Microsoft posed an existential threat to open source.


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  • SueP

    Good meeting, thanks everybody!

    1 · 2 days ago

  • horst

    Thanks, Neil, for a lively presentation, inviting audience participation to an extend I haven't seen for a long time at EugLUG mtgs.
    If anyone finds a substantial update on the subject presented I'd like to hear about it.
    An evening well spent, finished off with nice a Pub social.

    1 · 2 days ago

    • Neil A.

      Thank you. This is a great group!

      2 days ago

  • Neil A.

    Thank you. You're an impressive group. I appreciate the warm welcome!

    2 days ago

  • Neil A.

    Hi, I am just about to head out the door so I'll be there but possibly 5 minutes late. But I'm ready and it should be enjoyable.

    2 days ago

  • Neil A.

    Hi everyone, I am looking forward to this talk. I've written this out as an article but I'm not going to use slides, as i don't think they'd add that much to this.

    I think this topic's interesting not because it's interesting in and of itself (though it is that) but because it focused attention on some issues regarding the DNS, IoT, security, and the future of the Internet as we now know it. I'm not going to focus on the big existential issues but it's hard to not to at least consider these questions.

    November 29

  • Neil A.

    I think I've found an angle that will still be relevant on Dec 6th as I'll talk about progress or lack thereof.

    October 27

    • Jacob R.

      We need two things before I can ok your talk. One is a short Bio on yourself. It doesn't have to be your full CV; just a short paragraph. What do you do, what is your technical background/education. Second, a synopsis of your talk. Your current talk title doesn't line up with what you have written.

      1 · October 27

    • Neil A.

      Absolutely. Sorry. I realize this is little more than a placeholder at this point.

      October 28

  • Neil A.

    I'm not sure it will be as timely by the time of this meeting but I've noticed a lot of confusion and mis-information about the recent DDOS attack. That might be more a more interesting topic than email authentication. I want to do a talk that people would find interesting enough to come to.

    October 27

  • Jacob R.

    We hold the meetings at 6:00 PM. Would that still be good for you?

    October 25

    • Neil A.

      Sure and now I'm thinking there might be more interesting DNS topics. I hope it's ok if I change the topic? I'd do it well ahead of the actual meeting.

      October 25

    • Jacob R.

      If you want to change the topic, go ahead. The earlier the better.

      October 25

  • Neil Anuskiewicz changed the time from 5:30 PM to 6:00 PM

    October 25

  • October 21

  • Neil Anuskiewicz changed the date and time to Tuesday, December 06, 2016 at 5:30 PM

    October 21

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