3 ms·
In practice, there are systems that use SNTP or regular NTP with periodic calls to ntpdate. Ubuntu does the latter, by default, and is thus susceptible to the
by agwa 12y ago
In practice, there are systems that use SNTP or regular NTP with periodic calls to ntpdate. Ubuntu does the latter, by default, and is thus susceptible to the attacks I described,
- xorcist 12y agoThat's a bug with Ubuntu. That mode of operation is for devices without persistent real time clocks or personal laptops where time isn't that important. If you sync your time at reboots you will screw up ntpd's clock drift calculations.