[193167] in North American Network Operators' Group

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Re: [Tier1 ISP] : Vulnerable to a new DDoS amplification attack

daemon@ATHENA.MIT.EDU (Roland Dobbins)
Thu Dec 22 09:14:57 2016

X-Original-To: nanog@nanog.org
From: Roland Dobbins <rdobbins@arbor.net>
To: NANOG <nanog@nanog.org>
Date: Thu, 22 Dec 2016 21:12:06 +0700
In-Reply-To: <e5b922da-b10a-ec30-8972-c733c314ce0c@ddostest.me>
Errors-To: nanog-bounces@nanog.org


On 22 Dec 2016, at 20:27, Jean | ddostest.me via NANOG wrote:

>  the already known Layer 4 amp DDoS like dns, ntp, ssdp, snmp

These are layer-7 reflection/amplification attacks - i.e., 
application-layer - *not* layer-4.

-----------------------------------
Roland Dobbins <rdobbins@arbor.net>

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