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Old 27th July 2015
gpatrick gpatrick is offline
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Join Date: Nov 2009
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FreeBSD has 3 firewalls available: IPFW, ipf, and pf.

pf is different from OpenBSD's pf and was rewritten for SMP support and uses the older syntax (pre-4.7 I believe).

ipf is maintained by one or two people I believe but if memory recalls there was talk of removing it since it was not maintained, until someone stepped up.

ipfw is the firewall that is FreeBSD developed.

There is some discussion with the state of pf in FreeBSD which can be followed here Future of pf firewall in FreeBSD
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