conntrack-tools is a set of userspace tools for Linux that allow system administrators to interact with the Connection Tracking System, the module which provides stateful packet inspection for iptables. It includes the userspace daemon conntrackd and the commandline interface conntrack.
License: GNU General Public License (GPL)
Changes:
A new '-C' option for the command line interface to display the number of entries in the conntrack and expectation tables. Internal performance improvements. Support for multi-dedicated links. Extended statistics information. Polling (or batch-based) synchronization.
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