tcpflow

v 1.6.1 Updated: 1 month, 2 weeks ago

TCP flow recorder

tcpflow is a program that captures data transmitted as part of TCP connections (flows), and stores the data in a way that is convenient for protocol analysis or debugging. A program like tcpdump(4) shows a summary of packets seen on the wire, but usually doesn't store the data that's actually being transmitted. In contrast, tcpflow reconstructs the actual data streams and stores each flow in a separate file for later analysis. tcpflow understands TCP sequence numbers and will correctly reconstruct data streams regardless of retransmissions or out-of-order delivery.

https://github.com/simsong/tcpflow

To install tcpflow, paste this in macOS terminal after installing MacPorts

sudo port install tcpflow

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