Re: [DNSOP] "The Forgotten Object Lesson Of The Dyn DDoS Attack"

Töma Gavrichenkov <ximaera@gmail.com> Thu, 03 January 2019 13:03 UTC

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From: =?UTF-8?Q?T=C3=B6ma_Gavrichenkov?= <ximaera@gmail.com>
Date: Thu, 3 Jan 2019 16:02:45 +0300
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To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
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Subject: Re: [DNSOP] "The Forgotten Object Lesson Of The Dyn DDoS Attack"
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On Thu, Jan 3, 2019 at 2:03 PM Stephane Bortzmeyer <bortzmeyer@nic.fr>; wrote:
> I believe Cricket Liu refers to draft-woodworth-bulk-rr

Certainly not.  See
https://portswigger.net/daily-swig/middle-aged-dns-tech-still-has-legs-to-kick-on
from the same author where the idea is explained kind of better:

"The challenge really is that DNS hosting providers like Dyn or
Neustar tend to offer these value-added services, such as load
balancing or traffic management services. Those services are
non-standard.
It’s very easy to synchronize basic DNS configuration because there’s
a built-in mechanism to DNS called zone transfers that will
synchronize that data. With this value-added stuff there’s no easy way
to synchronize that. That’s the challenge."

If I were to trace that through the recent DNSOP activity, I could
bring up my own draft (draft-gavrichenkov-dnsop-dnssapi), also not
adopted and now expired.  Maybe there were discussions of the same
sort before me that I'm not aware of.

---
Töma