[unisog] [REN-ISAC] Alert: DNS Smurfing

Florian Weimer fw at deneb.enyo.de
Sat Dec 11 18:59:01 GMT 2004


* Doug Pearson:

> Over the past couple of days several DNS Smurf attacks have been
> underway affecting research and education (R&E) and commercial
> networks. A typical DNS Smurf attack[1] works as follows: Many DNS
> queries of type = "any" are sent to multiple DNS servers. The
> queries contain the source-spoofed address of the target.

Do these attacks already exploit the superior amplification facilities
EDNS0 provides?



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