France Telecom

Eric Leclerq

Laurent Butti

Franck Veysset

The invention concerns the detecting of a double attachment of an equipment communicating both with a wireless network and with a wired network, in particular when the connections with said networks are established by sending a connection configuration request comprising an identifier of the equipment, such as DHCP Host Name. The invention is characterized in that it consists: a) in detecting, at least on the wireless network, connection configuration requests emitted by the equipments (E), b) analyzing the contents of the requests and extracting the equipment identifiers (E), c) from one equipment identifier extracted at step b), determining whether said equipment has additionally sent a connection configuration request at least to the wired network with the same identifier (E), and d) triggering an alarm if the result at step c) is positive (E).

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Brussels, Belgium

Eric Leclerq