UDP port 80 DDoS attack

Mon Feb 6 01:20:11 UTC 2012

On Feb 6, 2012, at 8:10 AM, Keegan Holley wrote:

> An entire power point just to recommend ACL's, uRPF, CPP, DHCP snooping, and RTBH?

Actually, no, that isn't the focus of the preso.

> The first four will not work against a DDOS attack

This is incorrect - suggest you read the preso.

> and the last one just kills the patient so he does not infect other patients. 

S/RTBH - as opposed to D/RTBH - doesn't kill the patient.  Again, suggest you read the preso.

There's been a lot of discussion on this topic on NANOG, suggest you take a look through the archives.

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Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>

		The basis of optimism is sheer terror.

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