Information security – Prevention of unauthorized use of data including prevention... – Access control
Reexamination Certificate
2004-03-05
2011-10-11
Dada, Beemnet (Department: 2435)
Information security
Prevention of unauthorized use of data including prevention...
Access control
C709S229000
Reexamination Certificate
active
08037538
ABSTRACT:
The present invention provides a device and a method for accurately and efficiently controlling an access from an external network to an internal network. Both a client device connectable to the external network and an application gateway store shared secret information (Secret) including a client ID: GUID(C) as an ID generated by the client and a server ID: GUID(S) as an ID generated by the application gateway in respective storage units. In response to an access request from the client, the application gateway determines whether the client has appropriate shared secret information (Secret) so as to determine an access right. With this configuration, a right of access from the external network to the internal network, such as a home network, can be efficiently and accurately determined.
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Baba Kensuke
Ihara Keigo
Kinoshita Yasuyuki
Kobori Yoichi
Dada Beemnet
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Sony Corporation
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