Re: [nznog] NTP reflection used for world's largest DDoS

Tekron is a local Wellington Company that specialises in GPS clocks and NTP servers, http://tekron.com/ The hardware is made in NZ. On Thu, Feb 13, 2014 at 9:14 AM, Tony Wicks wrote:

On this note, does anyone have recommendations on an affordable GPS clock source ?

*From:* Sam Russell *Sent:* Wednesday, February 12, 2014 4:22 PM *To:* Simon Lyall *Cc:* nznog *Subject:* Re: [nznog] NTP reflection used for world's largest DDoS

What are people doing about this? Is anyone planning to blanket whitelist UDP/123 like most residential ISPs currently do for SMTP? Port scanning their customers pre-emptively to see who's vulnerable? Keeping an eye on rate shapers to see odd bursts in upload speed?

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