[nsd-users] Amplification attack how to stop it

Bas van den Dikkenberg bas at Dikkenberg.net
Thu Dec 3 17:58:52 CET 2015


Hi all,

We have a big  problem  all 3 of our dns servers are under Amplification attack
As soon as we start nsd we send out 50 mbit to the internet.
Any ideas how can stop this .


We run NSD version 4.1.2 (most recent in ondrej nlnetlabs ppa)

My nsd.conf can be found here: http://pastebin.com/kAHcRiVf

suggestions are greatly appreciated
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