Intrusion detection system of wireless sensor network based on sniffer
A wireless sensor network and intrusion detection technology, applied in wireless communication, network topology, electrical components, etc., can solve the problems of sensor node communication, computing resources, limited energy, etc., and achieve the effect of improving accuracy
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[0025] The present invention is based on the intrusion detection method of the wireless sensor network of sniffer and comprises the following steps:
[0026] 1. In addition to the original sensor network nodes, add several sniffer listening nodes, which can listen to all frame signals within the coverage area;
[0027] 2. Send the intercepted information to the host, and the host is responsible for intrusion detection judgment and alarm. Since the host does not have limitations in communication, computing resources, and energy, it can use more complex algorithms to achieve abnormal intrusion detection, including feature-based Advanced technology, as well as prediction models obtained through intelligent algorithm training, perform abnormal judgment and alarm based on different levels (nodes, sniffer coverage domains, and the entire network);
[0028] 3. When anomaly-based intrusion detection is implemented on each node through an intelligent algorithm, the training data usuall...
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