Projects / Ipt-netflow


ipt-netflow is high performance NetFlow exporting module for Linux kernel (up to 3.x). It is designed for Linux router with heavy network load. This is netfilter/iptables module adding support for NETFLOW target. It is designed to work without conntrack. It supports NetFlow protocols versions 5, 9, and IPFIX. It has accounting for IPv4, IPv6 traffic, and (NEL) NAT translation events.

Operating Systems

Recent releases

  •  02 Jul 2012 08:51

    Release Notes: Combined with 1.7, this is a major release with bugfixes, compilation, and kernel compatibility and performance improvements.

    •  25 May 2009 12:47

      Release Notes: Compatibility with iptables 1.4.3 was added.

      •  20 Mar 2009 11:23

        Release Notes: This release improves compliance with the NetFlow standard and compatibility with iptables/xtables 1.4.x, and adds options to the configure script for manual configuration.

        •  14 Mar 2009 09:35

          Release Notes: This version has improved compliance with the NetFlow standard and compatibility with iptables/xtables 1.4.x. It adds options to configure the script for manual configuration.

          •  08 Dec 2008 14:54

            Release Notes: This release is compatible with kernel 2.6.18. A configure script was added. Statistics were improved. Some fixes were made for 64-bit platforms. Minor performance tune up was done.


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