Scott L Wiegel: Graphical network security policy management. Cisco Technology, Hickman Palermo Truong & Becker, November 19, 2002: US06484261 (409 worldwide citation)

A method of establishing a representation of an abstract network security policy is disclosed. The representation is established in the form of a decision tree that is constructed by assembling graphical symbols representing policy actions and policy conditions. A user modifies properties of the gra ...

Scott L Wiegel: Network gateway mechanism having a protocol stack proxy. Cisco Technology, Christopher J Palermo, Hickman Palermo Truong & Becker, October 10, 2000: US06131163 (211 worldwide citation)

A system for a network gateway that provides computer data security using a protocol stack proxy is disclosed. The system evaluates data that arrives at a computer system that is executing a network operating system. The system comprises a protocol stack proxy, coupled between a device driver on the ...

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