Patent Number: 7,821,926

Title: Generalized policy server

Abstract: A scalable access filter that is used together with others like it in a virtual private network to control access by users at clients in the network to information resources provided by servers in the network. Each access filter use a local copy of an access control database to determine whether an access request made by a user. Changes made by administrators in the local copies are propagated to all of the other local copies. Each user belongs to one or more user groups and each information resource belongs to one or more information sets. Access is permitted or denied according to of access policies which define access in terms of the user groups and information sets.

Inventors: Hannel; Clifford L. (Westlake Village, CA), Lipstone; Laurence R. (Westlake Villag, CA), Schneider; David S. (Westlake Villag, CA)

Assignee: SonicWALL, Inc.

International Classification: H04L 12/26 (20060101)

Expiration Date: 2018-10-26 0:00:00