20-30Gbps UDP 1720 traffic appearing to originate from CN in last 24 hours

[cb.list6 at gmail.com (Ca By)]

Folks, it may be time to  take the next step and admit that UDP is too
broken to support

https://tools.ietf.org/html/draft-byrne-opsec-udp-advisory-00

Your comments have been requested



On Mon, Jul 20, 2015 at 8:57 AM, Drew Weaver <drew.weaver at thenap.com> wrote:

> Has anyone else seen a massive amount of illegitimate UDP 1720 traffic
> coming from China being sent towards IP addresses which provide VoIP
> services?
>
> I'm talking in the 20-30Gbps range?
>
> The first incident was yesterday at around 13:00 EST, the second incident
> was today at 09:00 EST.
>
> I'm assuming this is just another DDoS like all others, but I would be
> interested to hear if I am not the only one seeing this.
>
> On list or off-list is fine.
>
> Thanks,
> -Drew
>
>