Community access control in a multi-community node
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United States of America Patent
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-
Nov 4, 2008
Grant Date -
Jun 20, 2002
app pub date -
Oct 16, 2001
filing date -
Dec 18, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method and mechanism of enforcing community access control in a computer network, wherein access to objects by users and processes is controlled. A Multi-Community Node (MCN) processes information for users in multiple communities and must enforce a community separation policy. The enforcement method and mechanism use a database of associations of sets of communities corresponding to users, processes, and system objects. Upon receiving a request for access to an object by a user, the MCN permits access if a user community set (UCS) of the user is a superset of an object community set (OCS) of the object; otherwise, access is denied. Upon receiving a request for access to an object by a process, the MCN permits access if an application process community set (ACS) of the process is a superset the OCS of the object; otherwise, access is denied.
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