Break out the Firewall Filters if you are being abused with a DoS/DDoS attack. If that fails, call your ISP. They have network security on staff to help address the issue.
On Tue, Aug 21, 2012 at 1:45 AM, Hal Murray <[email protected]> wrote: > > [email protected] said: > > I'm not sure if this client has a severe bug or is intentionally trying > to > > overload the server but I have been receiving an average of around 500 > > packets per second from them for the last hour and a half with > occasional > > drops to about 350 pps. ... > > One possibility is that somebody is using NTP as a DDoS mechanism. > > NTP doesn't amplify much, but it's easy to forge the return address on UDP > packets. > > > > > -- > These are my opinions. I hate spam. > > > > _______________________________________________ > pool mailing list > [email protected] > http://lists.ntp.org/listinfo/pool >
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