tcpflow

Tcpflow is a command line tool used to capture and analyze network traffic. It listens for TCP traffic on a specified network interface or reads from a pcap file. With tcpflow, users can easily capture packets flowing through TCP connections. It reconstructs and saves complete data flows, including both the client and server sides of a connection, into separate files. This allows for detailed analysis and extraction of information from captured network traffic. Tcpflow supports various options and filters, enabling users to capture and analyze specific types of traffic, such as HTTP, FTP, and SMTP. Overall, tcpflow is a handy and efficient tool for network forensics, troubleshooting, and monitoring network traffic.