net-mgmt/flowd 0.9.1_5 DragonFly

flowd is a small, fast and secure NetFlow collector. It offers the following features:

\* Understands NetFlow protocol v.1, v.5, v.7 and v.9 (including IPv6 flows)
\* Supports both IPv4 and IPv6 transport of flows
\* Secure: flowd is privilege separated to limit the impact of any compromise
\* Supports filtering and tagging of flows, using a packet filter-like syntax
\* Stores recorded flow data in a compact binary format which supports
  run-time choice over which flow fields are stored
\* Ships with Perl interface for reading and parsing the
  on-disk record format
\* Is licensed under a liberal BSD-like license