A hardware component, a method for a remote terminal to access a local network, a corresponding service gateway, access authorization method and computer program are provided. The hardware component is configured to allow a remote terminal to access a local area communication network. The local area communication network is connected to a wide area communication network via a service gateway, referred to as source gateway. The hardware component includes at least one memory unit including an area for non-volatile storage of at least one identifier for accessing the source gateway, and is configured to connect to the wide area communication network and to the terminal, and to request opening of a secure communication tunnel with the source gateway, from the at least one identifier for accessing the source gateway.