Cfengine version 2 is the current production release level of Cfengine.
It is used on millions of computers all around the world. The software is licensed
under the GPL version 2. In other words, Cfengine is Free Software, open source,
and is available for download from the community website cfengine.org.

The major components of Cfengine are depicted below.

• cfagent: the mainteance and policy enforcement agent which runs on every host.
• cfservd: an optional server for secure file-sharing.
• cfexecd: an optional scheduler for managing cfagent execution.
• cfenvd: an optional passive monitor providing an anomaly detection service.
• cfenvgraph: a utility for displaying machine-learning data from cfenvd.
• cfrun: a utility for multicasting update requests to cfservd.
• cfshow: a utility for displaying internal audit information.