libnetfilter_conntrack is a userspace library providing a programming interface (API) to the in-kernel connection tracking state table. The library libnetfilter_conntrack has been previously known as libnfnetlink_conntrack and libctnetlink. This library is currently used by conntrack-tools among many other applications.

Main Features

* listing/retrieving entries from the kernel connection tracking table
* inserting/modifying/deleting entries from the kernel connection tracking table
* listing/retrieving entries from the kernel expect table
* inserting/modifying/deleting entries from the kernel expect table