| 摘要 |
<p>PROBLEM TO BE SOLVED: To easily and securely decide whether or not an information processor which is accessing is correct. SOLUTION: Information providers 4-1 to 4-3 previously register the IP address, category ID, and password of a charging proxy 11 in themselves. The charging proxy 11 when requesting information providers 4-1 to 4-3 to transfer information to terminal devices 1-1 to 1-4 at requests from the terminal devices 1-1 to 1-4 sends the IP address and password of the charging proxy 11 to the information providers 4-1 to 4-3. The information providers 4-1 to 4-3 compare the previously registered IP addresses, etc., with the IP addresses, etc., sent again from the charging proxy 11 and decide whether or not the charging proxy 11 is already registered according to the comparison results.</p> |
