On Apr 18, 2006, at 3:10 PM, Adrian von Bidder wrote:
abuse of ntp is a problem with something like 1% of pool.ntp.org
users. I
can't remember a port 37 problem being discussed so far.
Of course, that 1% of the userbase can result in 20 - 50% of your NTP
traffic.
Right now, the top-10 users of one of my NTP servers are using as
much traffic as the 1000 or so least active users. But then, the
top-10 IPs are querying at anywhere from once every second to once
every 30 seconds, as compared to clients polling at 1024, 2048, or
less frequent intervals...
--
-Chuck
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