| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an access control method to a server in the unit of users by utilizing a DHCP in a network consisting of terminals connected to a sub net and application servers connected to the server via routers. SOLUTION: When a terminal is connected to a network, the terminal broadcasts connection request information, the server broadcasts a proposal of assigned setting information, the terminal receiving the proposal of the assigned setting information broadcasts request information including information required for authentication, the server receives information required for the authentication are references a database connected to the server to authenticate the terminal. If the authentication is successful, the server requests access control, corresponding to the terminal to the route. The router, receiving the request, executes filtering of a transmission reception packet on the basis of various sets of information included in the request. The router transmits result information to the terminal and to the server, on the basis of the result of filtering of the transmission reception packet, to complete the connection between the terminal and the server.</p> |
