Editing PF (firewall) (section)

== Ports ==
Apart from running on its home platform [[OpenBSD]], PF has been ported to many other operating systems, however there are major differences in capabilities. Some ports date back many years. OpenBSD always has the latest version with the most features.

PF is currently used in:
* [[FreeBSD]] starting with version 5.3<ref>{{cite web
| url=https://www.freebsd.org/releases/5.3R/relnotes-amd64.html#CONTRIB
| title=FreeBSD/amd64 5.3-RELEASE Release Notes
| date=2004-11-03
| access-date=2018-08-20}}</ref>

* Apple [[macOS]] starting with ''Snow Leopard'' (Mac OS X 10.6)<ref>{{cite web
| url=https://opensource.apple.com/source/xnu/xnu-1456.1.26/bsd/net/pf.c.auto.html
| title=xnu/xnu-1456.1.26/bsd/net/pf.c.auto.html
| publisher=[[Apple, Inc]]
| date=2008-12-05
| access-date=2018-08-20}}</ref>
* Apple [[iOS]] and [[iPadOS]], used by all iPhones and iPads
* [[NetBSD]] from version 3.0<ref>{{cite web
| url=https://netbsd.org/changes/2005.html#netbsd-3
| title=Changes and NetBSD News in 2005: 23 Dec 2005 - NetBSD 3.0 released
| access-date=2018-08-20}}</ref>
* [[DragonFly BSD]] from version 1.1<ref>{{cite web
| url=https://leaf.dragonflybsd.org/cgi/web-man?command=pf&section=4
| title=pf(4) manual page
| work=DragonFly Kernel Interfaces Manual
| date=2011-01-02
| access-date=2018-08-20}}</ref>
* [[Debian GNU/kFreeBSD]]
* [[Solaris (operating system)|Oracle Solaris]]<ref>{{cite web
| url=https://docs.oracle.com/cd/E53394_01/html/E54829/pfovw-intr.html#scrolltoc
| title=Introduction to Packet Filter
| work=Securing the Network in Oracle® Solaris 11.3
| date=March 2018
| publisher=[[Oracle Corporation]]
| access-date=2018-08-20}}</ref>
* [[QNX]] and thereby in many BlackBerry smartphones models