[ntp:questions] NTP Denial of Service attack 29 November 2011

Steve Kostecke kostecke at ntp.org
Wed Nov 30 00:50:36 UTC 2011

On 2011-11-29, Rich <schmidt.rich at gmail.com> wrote:

> USNO is seeing an apparent coordinated denial of service attack on NTP
> originating with the following IPs:
>;;;   I
> recommend that you block,, and
> There will likely be more to follow. These appear to originate on
> APNIC (Asian Pacific).

Done. Thanks for the warning.

Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/

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