Method and device for controlling network access

Details Method and device for controlling network access Method and device for controlling network access

H - Electricity

04

L

H04L 12/12 (2006.01) G06F 9/445 (2006.01) G06F 21/00 (2006.01)

Patent

CA 2398443

When downloading a Java.TM. application AP from a server 40, a scheme and a transmission port number used by server 40 when downloading Java.TM. application AP are stored in addition to a host name of server 40. Then, when the Java.TM. application AP accesses a resource on the Internet, the host name of a resource to be accessed, and a scheme and a destination port number are compared with the stored host name, scheme, and transmission port number. The network access is permitted only when the compared items agree with each other.

Lorsqu'une application Java (AP) est téléchargée d'un serveur (40), le code et le numéro de port de transmission utilisés pendant le téléchargement depuis le serveur (40) ainsi que le nom d'hôte du serveur (40) sont enregistrés. Lorsque cette application Java (AP) accède à une ressource sur un réseau, le nom d'hôte de la ressource, le code et le numéro de port de destination sont comparés au nom d'hôte, au code et au numéro de port de transmission enregistrés. Si tous ces éléments correspondent, l'accès au réseau est autorisé.

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