| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a technique for suitably filtering communication data. <P>SOLUTION: A communication controller 10 includes: a first database 50 which associates user IDs with reference data for determining propriety of transmission of a POST request message and stores them; a user database 57 which associates the user IDs with IP addresses of terminals of users and stores them; a user database update part 460 which acquires a user ID of a terminal and an IP address imparted to the terminal from a connection management server 120 and registers them in the user database 57; a user identification part which retrieves the IP address of the transmission source of the communication data from the user database 57 to acquire the user ID; a retrieval circuit 30 which performs retrieval by referring to a record in the first database 50 corresponding to the user ID; and a processing execution circuit 40 which filters a POST request message based on the retrieval result. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
