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ROFL: Routing as the Firewall Layer

Zhao, Hang; Chau, Chi-Kin; Bellovin, Steven Michael

We propose a firewall architecture that treats port numbers as part of the IP address. Hosts permit connectivity to a service by advertising the IPaddr:port/48 address; they block connectivity by ensuring that there is no route to it. This design, which is especially well-suited to MANETs, provides greater protection against insider attacks than do conventional firewalls, but drops unwanted traffic far earlier than distributed firewalls do.

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Academic Units
Computer Science
Publisher
Department of Computer Science, Columbia University
Series
Columbia University Computer Science Technical Reports, CUCS-026-08
Published Here
April 26, 2011
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