Packet Filter

pf(4), or Packet Filter, is OpenBSD's built-in firewall. Consult the relevant man page, as well as the one for [pf.conf(5). pf(4), or Packet Filter, is OpenBSD's built-in firewall. Consult the relevant man page, as well as the one for [pf.conf(5).

!!Usage

For examples on how Packet Filter is to be used in IRCNow production environments, consult the sample pf.conf for stable servers.