| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To facilitate a change in a filtering rule of a packet filter. <P>SOLUTION: A filtering rule change request for a filtering device 15 is received from a user terminal 11, a filtering device 15 necessary for transfer from the user terminal 11 to a transfer destination is selected on the basis of network route information 14, and a filtering device controller 13 changes the filtering rule of the selected filtering device 15 in response to the change request. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
