NPF(7) | Miscellaneous Information Manual | NPF(7) |
NPF
— NetBSD
packet filter
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
offers the traditional set of features
provided by packet filters. Some key features are:
NPF
extensions.For a full set of features and their description, see the
NPF
documentation website and other manual
pages.
libnpf(3), bpf(4), bpfjit(4), npf.conf(5), npf-params(7), pcap-filter(7), npfctl(8), npfd(8)
NPF
was written from scratch in 2009 and
is distributed under the 2-clause BSD license. It first appeared in
NetBSD 6.0.
NPF
was designed and implemented by
Mindaugas Rasiukevicius.
August 11, 2019 | NetBSD 10.99 |