On Mon, 21 Mar 2005 15:24:59 -0800, Ian Burrell <ianburrell@xxxxxxxxx> wrote: > Also, any one organization would have a hard time sending time to > change your clock. ntpd has some sophisticated ways to find bad > clocks and ignore them. This is a good reason to stick with ntpd > instead of OpenNTPD. NTP isn't authenticated so there are attacks, > like blocking all other sources and sending bad packets. But that is > much likely to come from hackers, not the Naval Observatory. > > If you are concerned about security, buy your own GPS receiver. If > you are really paranoid, buy your own atomic clock. Minor correction: NTP can be authenticated just fine, but you need to establish a relationship with the server operator to be set up... Usually a few emails are all thats required... and there are more than a few that are willing.
