Interesting talk on Chronos

Eric S. Raymond esr at thyrsus.com
Sun Aug 25 03:54:30 UTC 2019


Mark Atwood via devel <devel at ntpsec.org>:
> On Sun, Jul 28, 2019, at 20:04, Eric S. Raymond via devel wrote:
> > https://www.youtube.com/watch?v=2HVtswVGmak&list=PLC86T-6ZTP5j2xKSoqW0_ajvdr58Fau6g&index=6
> > 
> > Interesting talk about changing the sampling algorithm to harden NTP
> > against time-shift attacks. This is very much on-mission for us and I
> > think their techniques would not be very difficult to adopt.
> > 
> > Draft RFC:
> > 
> > https://tools.ietf.org/html/draft-schiff-ntp-chronos-02
> > 
> > Senior devs - especially Hal, Gary, and Daniel -  please read carefully
> > and critique on this list.
> 
> Any updates or thoughts?

Daniel seems to think it;s more trouble than it's worth for an atttack that is
theoretical and very difficult to pull off.

I think there might be some sizzle value in being able to say we have it.
-- 
		<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>




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