OpenNTPProject.org

[dot at dotat.at (Tony Finch)]

Jared Mauch <jared at puck.nether.net> wrote:
>
> 3) You want to upgrade NTP, or adjust your ntp.conf to include ?limited?
> or ?restrict? lines or both.  (I defer to someone else to be an expert
> in this area, but am willing to learn :) )

There is useful guidance for Cisco, Juniper, and Unix here:

https://www.team-cymru.org/ReadingRoom/Templates/secure-ntp-template.html

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
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