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n. (context electronics English) power factor.

PF (firewall)

PF (Packet Filter, also written pf) is a BSD licensed stateful packet filter, a central piece of software for firewalling. It is comparable to netfilter ( iptables), ipfw and ipfilter.

PF was developed for OpenBSD, but has been ported to many other operating systems.


PF may refer to:

Usage examples of "pf".

Then he heard the dhol of the PFs, the steady four-beat they marched and fought to, based on the traditional four-four beat to which all Arya rituals were conducted by Vedic custom.

And at the right time, she would have sent out a mantra to inflame that masth elephant, panicking the horses of the PFs on Raghuvamsha Avenue and causing a stampede.