[dns-operations] Limiting DNSSEC-based amplification attacks (Was: Weird TXT record

Florian Weimer fweimer at bfk.de
Wed Jun 22 09:11:37 UTC 2011


* Stephane Bortzmeyer:

> Yes, rate-limiting outside of the name server seems reasonable. Now,
> did any big DNS operator use it for real? Successes and failures,
> anyone?

Isn't the traffic reflected off so many addresses that local rate
limiting is simply not very effective?

-- 
Florian Weimer                <fweimer at bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99



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