| 摘要 |
PURPOSE: A device and a method for preventing an illegal product user from connecting to a game server are provided to prevent the overload of the game server due to the illegal product user by interrupting the connection of the illegal product user. CONSTITUTION: The user executes the legal CD on a user computer(S201). A program embedded in the CD requests the first CD-key to the user and the user inputs the first CD-key(S202). The program judges the legality of the number inputted by the user(S203). If the number is correct, a game installation program is executed(S205). When the user tries to connect to the game server, the server requests the first CD-key to the game client program and requests the CPU ID to the CPU of the user computer(S207). If the first CD-key is equal to the CD-Key stored in a CD-key database of the server, the server compares the CUP ID of the user computer with the initially set CPU ID(S208). The server requests the second CD-key to the user(S209). The server compares the transmitted CD-key pair with the CD-key pair stored in the CD-key database(S211). If the CD-key pair is same, the sever permits the user to connect to the user(S212).
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