NPF(7) Miscellaneous Information Manual NPF(7)

NAME

NPFNetBSD packet filter

DESCRIPTION

NPF is a layer 3 packet filter, supporting IPv4 and IPv6 as well as layer 4 protocols such as TCP, UDP, and ICMP. It was designed with a focus on high performance, scalability, and modularity.
NPF was written from scratch in 2009 and is distributed under the 2-clause BSD license.

FEATURES

NPF offers the traditional set of features provided by packet filters. Some key features are:
For a full set of features and their description, see the NPF documentation and other manual pages.

SEE ALSO

libnpf(3), bpf(4), bpfjit(4), npf.conf(5), pcap-filter(7), npfctl(8), npfd(8)
NPF documentation

HISTORY

NPF first appeared in NetBSD 6.0.

AUTHORS

NPF was designed and implemented by Mindaugas Rasiukevicius.
July 13, 2015 NetBSD 8.99