What is a DNS DDoS Amplification attack?

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There has been a lot of news recently about DNS amplification attacks being used as an attack vector for DDoS attacks. But what exactly is it and why is it so effective? Listen to Paul Roberts, CEO of Calleva Networks, explain what a DNS amplification attack is.
  1. CallevaNetworks
  2. Denial-of-service Attack
  3. Domain Name System (Protocol)
  4. Distributed Denial Of Service Attacks On Root Nameservers
  5. dns
  6. amplification
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Комментарии
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there is somethong I haven't understood. Before the attack we need to spoof the IP @ of the victim, isnt'it ?
and how the PC @ can match the victim @ ?

ahmetcalis
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This is not the best explanation. The gentleman forgot to mention that you need to spoof the IP of the victim before this can even take place otherwise the reply's will not go to the victim. You need the bots in the botnet to produce the queries impersonating the victim by using their IP so the multitude of responses go to them. Hence overwhelming their device which is the endgame.

darnellg