Patent attributes
System for controlling access to automation equipments connected to a first network, from at least one client station connected to a second network. The system includes determination means of a functional profile containing a list of business functions that a user of the client station is authorized to carry out on the equipment, analysing means of a frame sent on the second network by the user, in order to determine a request and a destination equipment, definition means of a filter profile for the destination equipment, containing, for each business function and for each protocol, a list of requests that the destination equipment is capable of receiving, and filter means capable of authorizing or prohibiting transmission of the sent frame on the first network, according to the frame, the functional profile of the identified user and the filter profile of the destination equipment.