| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a received packet processor which automatically detects a received packet having the danger of being illegal intruded, etc., in a short time, immediately reflects the detection results and prevents illegal intrusion, etc., and a received packet processing program storage medium. SOLUTION: This processor is provided with a transmission source information memory for recording the transmission source information of a packet that is rejected to be passed, a gate means which destroys a recorded packet and makes an unrecorded packet pass in accordance with whether or not transmission source information being the same as the transmission source information of a transmitted packet is recorded in the transmission source information memory, a monitoring means which monitors the packet passing the gate means and the reception frequency of the packet having the same transmission source information, and a transmission source information additionally writing means recording the transmission source information of a packet in the transmission source information memory when the monitoring means monitors that the reception frequency of the packet having the same transmission source information surpasses a prescribed frequency.</p> |
