nanog mailing list archives

Re: Counter DoS


From: "william(at)elan.net" <william () elan net>
Date: Thu, 11 Mar 2004 15:16:20 -0800 (PST)


On Thu, 11 Mar 2004, Laurence F. Sheldon, Jr. wrote:
Petri Helenius wrote:

Maybe there is a lesson to be learned from many RBL operators. To make 
sure, just send packets to the whole /24 or /16 you got an "attack" 
packet from.

Which RBL operators flood /24's or /16's?  What do they flood them
with?

I think he meant that RBLs sometimes include entire /24 in RBL list when 
only one or two ips are at fault and some would go even highier to include 
entire ISP allocation. This is probably talking about SPEWs and alike RBLs

-- 
William Leibzon
Elan Networks
william () elan net


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