North American Network Operators Group

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Re: Using Policy Routing to stop DoS attacks

  • From: Jeff Kell
  • Date: Tue May 13 09:37:27 2003

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)?