A communication unit and a controller are included, the communication unit being configured to communicate with a communication apparatus using a first communication procedure in which authentication of the communication apparatus is performed in order to retain a communication session with the communication apparatus and using a second communication procedure that does not require authentication of the communication apparatus in order to communicate with the communication apparatus, the controller being configured to perform, using the first communication procedure and the second communication procedure, control under which it is determined whether a communication session with the communication apparatus is to be retained and perform control under which a limit is put on retaining of the communication session with the communication apparatus through the second communication procedure in a case where the communication apparatus is not authenticated as a certain communication apparatus through the first communication procedure.