Apparatus and method of controlling unsolicited traffic...

H - Electricity – 04 – W

Patent

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H04W 12/08 (2009.01) H04W 80/04 (2009.01)

Patent

CA 2548436

An apparatus and method of controlling unsolicited traffic are disclosed herein. The apparatus and method can be applied to wireless communication networks such as CDMA2000, UMTS, GPRS and the like so that traffic which is not solicited by wireless communication devices operating on those networks is not sent over the air needlessly. The present application provides techniques to block unsolicited traffic based on the identity of a user (for example based on International Mobile Station Identity (IMSI), Network Access Identifier (NAI), Mobile Station Internet Services Digital Network Number (MSISDN), Session Initiation Protocol (SIP) Universal Resource Locator (url)) as opposed to techniques that are based on a session or IP address, such as a traditional firewall. In accordance to this application, user identity based techniques are applied to block unsolicited traffic whenever a user has established a data session. Further in accordance with this application, user identity based techniques are persisted across changes in IP address and/or session.

Dispositif et procédé servant à contrôler un trafic non sollicité. Ce dispositif et ce procédé peuvent être appliqués à des réseaux de communication radio, tels que AMDC2000, UMTS, GPRS, de sorte que le trafic qui n'est pas sollicité par les appareils de communication radio opérant sur ces réseaux, n'est pas acheminé sans raison. L'invention concerne des techniques servant à bloquer ce trafic non sollicité en fonction de l'identité de l'utilisateur (par exemple, en fonction de l'identité d'une station mobile internationale (IMSI), d'un identificateur d'accès réseau (NAI), d'un numéro de réseau numérique de services Internet de station mobile (MSISDN), d'un URL universel de protocole de déclenchement de section (SIP), par opposition à des techniques basées sur une adresse de session ou d'IP, telles qu'un pare-feu traditionnel. Selon l'invention, ces techniques basées sur l'identité de l'utilisateur sont appliquées afin de bloquer le trafic non sollicité chaque fois que l'utilisateur a établi une session de données. De plus, selon l'invention, ces techniques sont conservées lors de modifications de l'adresse IP et/ou session.

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