[c-nsp] NTP DDoS

Frank Bulk frnkblk at iname.com
Tue Feb 11 23:54:13 EST 2014

Two weeks ago one of our neighbors had a (non-Cisco) CMTS with an NTP config
on the CMTS's management interface that resulted in a 120+ Mbps


-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Alan
Sent: Tuesday, February 11, 2014 4:07 PM
To: sledge121 at gmail.com; Richard Clayton; Cisco NSPs
Subject: Re: [c-nsp] NTP DDoS

Yep.  Had a system on one of our ranges that was involved in yesterday's
cloudfare ddos. It's not anymore and won't be anymore.  Open to all NTP
queries types from the world :/

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