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NIST NTP servers

I hope your receivers aren't all from a single source.

I was in Iraq when this (
) happened, which meant I had no GPS guided indirect fire assets for 2

On Wed, May 11, 2016 at 8:31 AM, Leo Bicknell <bicknell at ufp.org> wrote:
> In a message written on Tue, May 10, 2016 at 08:23:04PM +0000, Mel Beckman wrote:
>> All because of misplaced trust in a tiny UDP packet that can worm its way into your network from anywhere on the Internet.
>> I say you?re crazy if you don?t run a GPS-based NTP server, especially given that they cost as little as $300 for very solid gear. Heck, get two or three!
> You're replacing one single point of failure with another.
> Personally, my network gets NTP from 14 stratum 1 sources right now.
> You, and the hacker, do not know which ones.  You have to guess at least
> 8 to get me to move to your "hacked" time.  Good luck.
> Redundancy is the solution, not a new single point of failure.  GPS
> can be part of the redundancy, not a sole solution.
> --
> Leo Bicknell - bicknell at ufp.org
> PGP keys at http://www.ufp.org/~bicknell/