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[suricata]--Threading
2019-10-08 14:35:14
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# 0.参考 [1] [suricata-user-guide-8-Configuration](https://suricata.readthedocs.io/en/suricata-5.0.0-beta1/configuration/suricata-yaml.html) # Threading - multi-threaded,use multiple CPU/CPU cores,process a lot of network packets simultaneously - a single-core engine, the packets will be processed one at a time four thread-modules: - Packet acquisition - reads packets from the network - decode and stream application layer - decodes the packets from the network - first:it performs **stream tracking**(meaning it is making sure all steps will be taken to make a correct network-connection.) - second:TCP-network traffic comes in as packets. The **Stream-Assembly engine** reconstructs the original stream. - Finally:the application layer will be **inspected**.(HTTP and DCERPC will be analyzed.) - detection - compare signatures.There can be several detection threads. - outputs - all alerts and events will be processed <center>  </center> ``` Packet acquisition: Reads packets from the network Decode: Decodes packets. Stream app. Layer: Performs stream-tracking and reassembly. Detect: Compares signatures. Outputs: Processes all events and alerts. ```
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