I hope your receivers aren't all from a single source. I was in Iraq when this ( http://dailycaller.com/2010/06/01/glitch-shows-how-much-us-military-relies-on-gps/ ) happened, which meant I had no GPS guided indirect fire assets for 2 weeks.
On Wed, May 11, 2016 at 8:31 AM, Leo Bicknell <bickn...@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 - bickn...@ufp.org > PGP keys at http://www.ufp.org/~bicknell/
