The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 2011
Filed:
Mar. 05, 2004
Kensuke Baba, Kanagawa, JP;
Yasuyuki Kinoshita, Tokyo, JP;
Yoichi Kobori, Kanagawa, JP;
Keigo Ihara, Tokyo, JP;
Kensuke Baba, Kanagawa, JP;
Yasuyuki Kinoshita, Tokyo, JP;
Yoichi Kobori, Kanagawa, JP;
Keigo Ihara, Tokyo, JP;
Sony Corporation, Tokyo, JP;
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.