Information security – Access control or authentication – Network
Reexamination Certificate
2004-08-10
2010-02-02
Shiferaw, Eleni A (Department: 2436)
Information security
Access control or authentication
Network
C726S027000, C726S033000
Reexamination Certificate
active
07657928
ABSTRACT:
There is provided a configuration enabling prevention in advance of leakage and outflow of secret information in the local network, such as private data and content whose copyright and use right is restricted. A plurality of identification information of a communication destination device are acquired at different data processing levels. Identification information acquired by data processing at a level of a physical layer or a data link layer of the OSI reference model and identification information acquired by data processing at a layer level of a network layer or higher are received and these identification information are matched.
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Nakano Takehiko
Shima Hisato
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Shiferaw Eleni A
Sony Corporation
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