Management system, management method, and recording medium for managing use of function to terminal

A method for a management system that communicates with a terminal and a plurality of authentication apparatuses for authenticating the terminal through a network, the method comprising:

• transmitting a list of multiple authentication methods used by one or more of authentication apparatuses and the management system;
• transmitting a forwarding instruction to an authentication apparatus corresponding to an authentication method upon receiving the authentication method selected at the terminal;
• receiving, from the authentication apparatus, first identification information for identifying an account and second identification information for identifying the authentication apparatus, the account being allocated by the authentication apparatus and corresponding to a terminal, which is authenticated by the authentication apparatus;
• permitting the terminal to use a function corresponding to the second identification information among functions provided by the management system based on the received second identification information, the terminal being specified by the first identification information and the second identification information;
• and
• transmitting third identification information for identifying an account that is allocated by the management system to the terminal upon a usage of the function that is determined as being allowed, wherein the third identification information is included in a log-in request transmitted from the terminal to the management system.

A non-transitory recording medium having stored therein a program for causing a computer serving as a management system that communicates with a terminal and a plurality of authentication apparatuses for authenticating the terminal through a network, to perform a process comprising:

• transmitting a list of multiple authentication methods used by one or more of authentication apparatuses and the management system;
• transmitting a forwarding instruction to an authentication apparatus corresponding to an authentication method upon receiving the authentication method selected at the terminal;
• receiving, from the authentication apparatus, first identification information for identifying an account and second identification information for identifying the authentication apparatus, the account being allocated by the authentication apparatus and corresponding to a terminal, which is authenticated by the authentication apparatus;
• permitting the terminal to use a function corresponding to the second identification information among functions provided by the management system based on the received second identification information, the terminal being specified by the first identification information and the second identification information;
• and
• transmitting third identification information for identifying an account that is allocated by the management system to the terminal upon a usage of the function that is determined as being allowed, wherein the third identification information is included in a log-in request transmitted from the terminal to the management system.