The netfilter.org "libnetfilter_cttimeout" project

libnetfilter_cttimeout is the userspace library that provides the programming interface to the fine-grain connection tracking timeout infrastructure. With this library, you can create, update and delete timeout policies that can be attached to traffic flows. This library is used by conntrack-tools.

libnetfilter_cttimeout requires libmnl and a kernel that includes the nfnetlink_cttimeout subsystem (i.e. 3.4 or later).

For the nfnetlink_cttimeout subsystem.

You can check the library documentation generated in doxygen format.

The current development version of libnetfilter_cttimeout can be accessed at https://git.netfilter.org/libnetfilter_cttimeout/.

libnfnetlink_cttimeout has been written by Pablo Neira Ayuso.