Information security – Access control or authentication – Network
Reexamination Certificate
2007-12-11
2007-12-11
Vu, Kim (Department: 2135)
Information security
Access control or authentication
Network
C726S012000, C726S014000, C713S166000, C709S232000
Reexamination Certificate
active
10456093
ABSTRACT:
A method and system is disclosed for managing and implementing a plurality of network policies in a network device. Each of the plurality of policies are defined by one or more filters. The filters are installed in a policy engine. A layer identifies the network policy to be applied to a packet by sending a request to the policy engine. The policy engine then returns the policy to the requesting layer. The method and system may be used to implement a programmable, host-based, distributed, authenticating firewall that enables security and other policies to be applied at several protocol layers.
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Dixon William H.
Swander Brian D.
Shan April Y.
Vu Kim
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