Method for managing access right of terminal to resource by server in wireless communication system, and device for same

A gateway device configured to manage an access right for a resource of a terminal of a server, comprising:

• an RF (radio frequency) unit;
• and
• a processor configured to control the RF unit,
• the processor configured to:
• receive a management command from a primary server to add or modify a privilege ACL (access control list), in a privilege MO (management object), for a target resource(s) for a secondary server, which has no access right for the target resource(s) of a terminal or a terminal group, wherein the privilege ACL indicates that the secondary server is allowed to have a privilege to access the target resource(s) for at least one of Get, Add, Delete and Replace commands,
• request ACL(s) for the target resource(s) to the terminal or each of terminals belonging to the terminal group,
• receive the ACL(s) for the target resource(s) from the terminal or each of the terminals belonging to the terminal group,
• determine whether or not the primary server has a right to perform the management command based on the received ACL(s),
• if it is determined that the primary server has the right to perform the management command, add or modify the privilege ACL for the target resource(s) in the privilege MO,
• wherein the privilege MO is stored in the gateway device and comprises information on an access right for a target resource of a specific terminal of a specific server.