| 摘要 |
PURPOSE: A method for preventing an ID misappropriation and share on a network is provided to prevent other person from using contents and prevent many users from using charged contents through one account if a registered inherent authentication code is not accorded with a system inherent number although an ID and a password are exposed or misappropriated by the other person. CONSTITUTION: If new user requests a contents use approval to an authentication server in a disapproved PC(S100), a normal user requests the approval in an approved PC(S200), or a normal user requests the approval in a disapproved PC(S300), the authentication server informs that the users connected to contents supply company or a server are approved as normal users through a new user authentication, a normal user authentication, and a normal user update. The contents supply company or the server supplies contents to the users. If an abnormal user requests a contents use approval, the authentication server informs that the user connected to the contents supply company or the server are approved as an abnormal user by checking discordances of user registration information, an authentication code, a system inherent number, or a checking code therewith in the authentication server.
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