Patent ID: 8443418

Claim:
A method for managing remote access authority information by a remote access service server, the method comprising: receiving, by the remote access service server, a remote access authority list from a remote access server for a first user; registering and storing the remote access authority list; receiving a remote access authority addition request for a second user from a communication device of the first user; giving a remote access authority to the second user; renewing the remote access authority list; transmitting information of the remote access authority given to the second user to the remote access server of the first user in order to synchronize the renewed access authority list with the remote access server of the first user; notifying the communication device of the first user whether the remote access authority addition was successful; receiving an access authority list request from a remote access client of the first user or the remote access server of the first user; authenticating the access authority list request; and transmitting an access authority list related to the first user to the remote access client of the first user or the remote access server of the first user.