Projects / tcpflow

tcpflow

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. tcpflow understands TCP sequence numbers and will correctly reconstruct data streams regardless of retransmissions or out-of-order delivery. Each stream is stored in a separate file for later analysis. tcpflow is designed to be portable, using the LBL packet capture library and GNU autoconf. It works under most UNIX platforms and for most common network interface types (ethernet, PPP, loopback, etc.).

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Recent releases

  •  08 Oct 2011 02:06

    Release Notes: VLANs and IPv6 was implemented.

    •  01 Mar 2001 04:05

      Release Notes: A new -r option allows reading from tcpdump capture files. Various bugs were fixed: it compiles under newer libcs, the device is no longer left in promiscuous mode, and fgetpos/fsetpos brokenness was fixed. An RPM is now available.

      •  21 Apr 1999 03:21

        Release Notes: Capturing using the Linux loopback interface now works and more portability fixes (IRIX, Linux libc5, non-GCC compilers).

        •  13 Apr 1999 01:41

          Release Notes: Initial public release.

          Recent comments

          01 Oct 2011 03:08 simsong

          Version 1.0.2 of tcpflow is available for download at http://afflib.org/downloads/tcpflow-1.0.2.tar.gz

          26 Apr 2005 01:55 ivanatora

          Ghm
          Tcpdump <i>can</i> capture whole packets (-w file.log -s 0), not only their headers, not as there was written in this project's homepage :P

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