When you are investigating a security incident, there are chances that, at a certain point, you will have to dive into network traffic analysis. If you’re lucky, you’ll have access to a network capture. Approximatively one year ago, I wrote a quick diary to explain how to implement a simple FPC or “Full Packet Capture” solution based on a Docker container. It’s nice to capture all the traffic in PCAP files but then? PCAP files are not convenient to process and they consume a lot of disk space (depending on the captured traffic of course).