A user's set top box (STB), or other client, executes a shell and has an application program interface (API) by which certain features of the client can be controlled. The client is in communication with a walled garden proxy server (WGPS), which controls access to a walled garden. The walled garden...http://www.google.es/patents/US7406530?utm_source=gb-gplus-sharePatente US7406530 - Method and system for restricting access to user resources
Method and system for restricting access to user resources
