[58422] in North American Network Operators' Group

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Re: Using Policy Routing to stop DoS attacks

daemon@ATHENA.MIT.EDU (Jeff Kell)
Tue May 13 09:35:33 2003

Date: Tue, 13 May 2003 09:35:00 -0400
From: Jeff Kell <jeff-kell@utc.edu>
To: Stefan Mink <mink@schlund.net>
Cc: nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu


Stefan Mink wrote:
> On Mon, May 12, 2003 at 04:38:30PM +0530, Lars Higham wrote:
> 
>>Ya, you configure the next-hop of the source route(s) to discard -
> 
> just if I got this right: On both, Juniper and Cisco, if the
> source OR destination address is reachable via [NULL0|Discard], 
> the packet gets dropped if RPF is enabled on the interface.
> 
> Does this work in loose mode too?

Does it allow for a default route?  e.g., can it be defined on the 
default interface without a full routing table (so that sources from 
other interfaces can be included in the spoof test)?

Jeff



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