Kjører som deamon
/etc/rc.conf[.local]
ftpproxy_flags=""
/etc/pf.conf
Ankere i NAT-del
nat-anchor "ftp-proxy/*" rdr-anchor "ftp-proxy/*"
en omdirigering (rdr)
rdr pass on $int_if proto tcp from any to any port ftp -> 127.0.0.1 \ port 8021
i filtreringsreglene
anchor "ftp-proxy/*"
pass out proto tcp from $proxy to any port 21 keep state