Method of restricting viewing web page and server

8) A Web page access restriction method characterized in that a plurality of Web pages that are provided by a server include a specified Web page to which access is permitted only to a specified user, wherein, when the server determines that user authentication information transmitted from a terminal side belongs to the specified user, the server embeds a flag indicating that user authentication has been completed in the specified Web page for the specified user and adds thereto a link data transmission restriction program that enables transmission of link data for accessing a new specified Web page to the server only when the flag is effective, and transmits the same to a terminal of the specified user.

9) A server system that is connected to terminals used by users through a network, comprising:

• a received data recognition section that determines whether or not user authentication information transmitted from a terminal side belongs to a specified user;
• and
• a Web page transmission section that, when the user authentication information is determined to belong to the specified user, embeds a flag indicating completion of user authentication in a specified Web page for the specified user and transmits the same to the terminal of said specified user.

12) A server system that is connected to terminals used by users through a network, the server system comprising:

• a received data confirmation section that determines whether or not user authentication information transmitted from a terminal side belongs to a specified users and
• a Web page transmission section that, when the user authentication information is determined to belong to the specified user, embeds a flag indicating that user authentication has been completed in a specified Web page for the specified user and adds thereto a link data transmission restriction program that enables transmission of link data for accessing a new specified Web page to the server only when said flag is effective, and transmits the same to a terminal of said specified user.

13) A Web page to which access is permitted only to a specified user, the Web page comprising a flag embedded therein which indicates that a determination has been made that user authentication information transmitted from a terminal side belongs to the specified user and user authentication has been completed.

15) A computer readable storage medium that stores a computer program for executing:

• a process of determining whether or not user authentication information transmitted from a terminal side belongs to a specified user;
• and
• a process of embedding a flag indicating that user authentication is completed in a specified Web page and transmitting the same to a terminal of said specified user.