Re: Using Policy Routing to stop DoS attacks
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? Thanx && tschuess Stefan Mink -- Stefan Mink, Schlund+Partner AG (AS 8560) Primary key fingerprint: 389E 5DC9 751F A6EB B974 DC3F 7A1B CF62 F0D4 D2BA
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
participants (2)
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Jeff Kell -
Stefan Mink