update : 23/12/2020

pf (Packet Filter)

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Studied version : 5.4 Website : www.openbsd.org/faq/pf - Google Pagerank : 5 Distributed by : community Licence : License1 Technology : C/C++ Year of creation : 2001

PF (Packet Filter) is the filtering layer integrated with BSD UNIX legacy open source solutions (FreeBSD, NetBSD, OpenBSD, etc.). PF was created in 2001 by Daniel Hartmeier as a replacement for IPFilter.

This system has the advantage of using a simple configuration language and of integrating NAT and QoS functionalities. Packet Filter has become the most powerful open source tool to act as a firewall. It can also be used for load balancing and to handle network traffic on open source BSD UNIX machines.

PF is distributed under the BSD License.


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Ohloh users rating 4.96 (25 votes)
lines of code 60892 lines
(for the 12 last months)
Programming Languages C, C++
Tags security pf network bsd dragonflybsd freebsd networking openbsd packetfilter firewall netbsd
Ohloh page https://www.openhub.net/p/pf