Network anomaly detection method and device
A network anomaly and anomaly detection technology, applied in the computer field, can solve problems such as limited relevant information, inability to provide information, incomplete network anomaly detection, etc., and achieve the effect of reliable data foundation
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[0066] In the prior art, in order to realize network anomaly detection, users can usually collect network flows based on the SNMP protocol, and record the relevant information of the collected network flows. The network flow is an abnormal network flow.
[0067]However, in practical applications, the network flow collected based on the SNMP protocol can provide limited information about the network flow and cannot provide comprehensive information, which may lead to incomplete subsequent network anomaly detection.
[0068] In view of the above considerations, this application proposes a network anomaly detection method, by extracting several fields from the collected NetFlow network flow and sFlow network flow, and fusing the extracted fields to generate a preset format Network flow, then multi-dimensional anomaly detection can be performed on the network flow in the preset format; wherein, the multi-dimensional anomaly detection can include network abnormal state detection, a...
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