/etc/pf.conf
tcp_tjenester = "{ ssh, smtp, domain, www, pop3, auth, pop3s }"
udp_tjenester = "{ domain }"
block all
pass out proto tcp to any port $tcp_tjenester keep state
pass proto udp to any port $udp_tjenester keep state- last de nye reglene
peter@skapet:~$ sudo pfctl -f /etc/pf.conf