COMMUNICATIONS CONTROL PROGRAM, COMMUNICATIONS CONTROL SERVER AND COMMUNICATIONS CONTROL METHOD

摘要

A communications control program in which communication over an open network is allowed only between users who have previously communicated with one another over a local network. A terminal automatically registers, with a destination list, destinations with which the terminal has communicated over a local network such as ad hoc communications. Destinations of communications over an open network are limited to destinations included in the destination list, and thereby communications with strangers with whom a user of the terminal has not communicated in the local area are restricted.