I would not consider an ntpdate query every 12 minutes to be abusive.

--
 .-------------------------------------.
( Biggest security gap -- an open mouth )
 `-------------------------------------'
--
Paul-Andrew Joseph Miseiko

On Mon, 12 Sep 2005, J Robinson wrote:

OK,

So maybe I know someone who is one of these ntp server
abusers. I don't know.

I have the following line as a crontab in several
machines:

*/12 * * * * /usr/sbin/ntpdate -s timeserver1
timeserver2 timeserver3 timeserver4

the timeservers in question are geographically among
the closest I could find, but I didn't measure
distances with traceroute.

I (probably mistakenly) assumed that running ntpdate
periodically would put less load on my servers than
using ntpd, and I also assumed that it wouldn't put
undue load on the ntp servers either. Is these
assumptions wrong?

(I know about the weaknesses of not 'drifting' the
time towards accuracy)

Thanks
jrobinson



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