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

Roland Dobbins rdobbins at arbor.net
Thu Dec 22 14:12:06 UTC 2016


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.

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Roland Dobbins <rdobbins at arbor.net>


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