Apparatuses and methods for controlling communication of a user terminal in a communication system are provided. The solution comprises determining that a data connection of an access point name or data network name of the user terminal does not fulfil a predetermined condition, and transmitting to a network unit maintaining information on subscriber information of users of the network a message on the basis of determination, the message indicating the access point name or data network name of the user terminal is to be deactivated or the data connection of the access point name or data network name is to be directed to a predetermined server.