Re: Interesting talk on Chronos

2019-08-25 Thread Hal Murray via devel
> Any updates or thoughts? [I watched the talk but not all the Q&A.] I think our efforts would be much more productive helping to deploy NTS. They are trying to protect against MitM attacks, but they assume that only some of the servers can be attacked. That misses the important case where the

Re: Interesting talk on Chronos

2019-08-24 Thread Achim Gratz via devel
Mark Atwood via devel writes: > Any updates or thoughts? I don't see it solving any real problem. When you assume an attacker of the strength needed for it to be effective, then he'd surely have more effective ways to mess with your network. Also, as long as it doesn't use both DNSSEC and NTS an

Re: Interesting talk on Chronos

2019-08-24 Thread Eric S. Raymond via devel
Mark Atwood : > On Sat, Aug 24, 2019, at 20:54, Eric S. Raymond wrote: > > Mark Atwood via devel : > > > > Interesting talk about changing the sampling algorithm to harden NTP > > > > against time-shift attacks. This is very much on-mission for us and I > > > > > > Any updates or thoughts? > > >

Re: Interesting talk on Chronos

2019-08-24 Thread Mark Atwood via devel
On Sat, Aug 24, 2019, at 20:54, Eric S. Raymond wrote: > Mark Atwood via devel : > > > Interesting talk about changing the sampling algorithm to harden NTP > > > against time-shift attacks. This is very much on-mission for us and I > > > > Any updates or thoughts? > > Daniel seems to think it;s

Re: Interesting talk on Chronos

2019-08-24 Thread Eric S. Raymond via devel
Mark Atwood via devel : > 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. Th

Re: Interesting talk on Chronos

2019-08-24 Thread Mark Atwood via devel
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

Interesting talk on Chronos

2019-07-28 Thread Eric S. Raymond via devel
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