| 摘要 |
When receiving data to be transmitted from LAN 4 to WAN 5, operation information showing that operation has been executed in operation sections of a terminal connected to LAN is detected by a PC condition receiving section 111. It is judged that the operation has been executed based on the operation information during a predetermined period X before and after the time when the data are transmitted to WAN. The data received during the predetermined period X are transmitted to WAN as a result of the judging.
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