nanog mailing list archives

RE: attacking DDOS using BGP communities?


From: alex () yuriev com
Date: Fri, 18 Oct 2002 10:35:02 -0400 (EDT)



701 has a blackhole community, 701:9999, basically it sets the next-hop
to something blackholed on their edge so the DOS attack gets dropped as
soon as it hits them. I have made use of this to kill at least one DDOS
event. A global blackhole community may be difficult to achieve, but
getting the majority of large providers to implement one is a good
start.

Brilliant solution - lets stop DDOS attack on the customer by denying
service to the customer is a non-distributed way.

Alex


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