An input device is disclosed, including a first drive electrode comprising a resistive material and a first sense electrode disposed proximate to the first drive electrode. The server includes a module for selecting an authentication identifier in a memory as a function of the provider identifier and the type of the terminal andor the network type of the communication network, and a module for authenticating the user by launching an authentication process associated with the authentication identifier. Preferably, the shut-off segment is constituted as a spherical segment, and the shut-off body can be moved between a closed position in which the flow path is completely blocked to only one of the connecting pieces and an open position in which the flow path is completely clear. A collection vessel is positioned substantially below the body for receiving material scraped from the outer surface of the strainer member.