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SAVE: Internet Source Address Validity Enforcement

IP source address spoofing has plagued the Internet for many years. Attackers spoof source addresses to mount attacks and redirect blame. We have surveyed the state of IP spoofing defense, and designed and evaluated a solution that focuses on addressing a fundamental deficiency of the Internet since day one -- routers know where to forward a packet, but have no knowledge where a packet should come from.

Our publications include the following: