PF
PF is a BSD licensed stateful packet filter, a central piece of software for firewalling. It is comparable to netfilter, ipfw, and ipfilter. PF was developed for OpenBSD, but has been ported to many other operating systems.
PF is a BSD licensed stateful packet filter, a central piece of software for firewalling. It is comparable to netfilter, ipfw, and ipfilter. PF was developed for OpenBSD, but has been ported to many other operating systems.