[68440] in North American Network Operators' Group
Re: Counter DoS
daemon@ATHENA.MIT.EDU (william(at)elan.net)
Thu Mar 11 17:11:18 2004
Date: Thu, 11 Mar 2004 15:16:20 -0800 (PST)
From: "william(at)elan.net" <william@elan.net>
To: "Laurence F. Sheldon, Jr." <LarrySheldon@cox.net>
Cc: nanog@merit.edu
In-Reply-To: <4050E256.9090806@cox.net>
Errors-To: owner-nanog-outgoing@merit.edu
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