Hi!
After a few tests it seems that using a
restrict default limited
statement in ntp.conf at least shows that a "malicious" client (a script
which tries to request the time with ntpdate in an endless loop as fast
as it can) is not served at all but a few times at the beginning.
A Windows client using this server with "iburst" works fine, so I'd
think this is what you could try as soon as you see a client hammering
requests at you.
Kind regards,
Heiko
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