| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology for properly controlling access to a file stored in a file server. <P>SOLUTION: A communication control device 10 comprises a first database 50 and a second database 60 provided for each user; a user database 57 which stores a user ID being corresponded to an IP address assigned to a terminal of the user; a user database updating part 460 which acquires the user ID of a terminal and the IP address assigned to the terminal from a connection management server 120 and registers them in the user database 57; a user discriminating part which retrieves an IP address which is an originator of a communication data for accessing the file in the file server of the user database 57, for acquiring the user ID; a retrieving circuit 30 which performs retrieval by referring to the record corresponding to the acquired user ID in the first database 50; and a process performing circuit 40 which judges permission/rejection of access by the terminal of user to the file based on a retrieving result. <P>COPYRIGHT: (C)2009,JPO&INPIT |
