9-10 May 2015
Okura Hotel
Europe/Amsterdam timezone
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Okura Hotel - Heian I/II

"Yes means HET" - traffic increase by protocol mismatch

Abstract content

It is common wisdom that DNS server implementations must not respond to responses to prevent a denial of service by spoofed traffic injection. We will share an observation of a system that accidentally turned responses into new requests, generating a "loop" that might go unnoticed.