Patent ID: 6237037
Filing Date: 2001-05-22
Classification: G06F,H04L

Abstract:
A method of detecting a non-authorized client station accessing a host station in a communications network, which comprises connecting devices in a route between said client station and the host station, each client station, host station and at least some of said connecting devices being provided with a unique identity, the method comprising the steps of executing a first verification, and after approving said first verification, controlling a route, including the steps of:retrieving, at the host station, the unique identity of each of said devices in said route, by propagating an identity inquiry, said identity comprising the unique IP address of said device;collecting an identity inquiry response message, including the identity of at least each device having a unique identity;comparing each unique identity of each device included in said response message with a list of approved identities stored at a database associated with the host station; andrejecting or accepting the access, based on the comparison result.