[ntp:questions] Log client connections to ntpd server

David Lord snews at lordynet.org
Sat May 15 16:04:43 UTC 2010


s a n wrote:
> Hi all,
> 
> I was wondering if there is a way to log all the client time-update
> connection requests (for example, the client ip and timestamp
> perhaps), on the machine with ntpd? Does ntpd have this capability?

I'm using tcpdump since ntpd's monlist apparently breaks when there
are too many connections.

Script comes from <http://www.schlitt.net/scripts/ntp/index.html>
and running for a few months to spot unfriendly clients, but there
have been very few of those.


David




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