Infosec glossary entry

BPF

BPF:
Berkeley Packet Filter

Berkeley Packet Filter (BPF) is a low-level (compiled into a kernel state machine) packet filtering mechanism used in Unix-like operating systems to capture and analyze network traffic. BPF allows users to define specific criteria for capturing packets, enabling efficient monitoring and troubleshooting of network communications. By utilizing BPF, network administrators and security professionals can gain valuable insights into network behavior, detect anomalies, and enhance their overall security posture.


By jean-christoph

January 22, 2022

Network+, packet capture

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