EVIL = lo0
GOOD = { lo0, lo1 }
GOOD_NET = { 127.0.0.0/24, 10.0.1.0/24 }
DEST_NET = { 1.2.3.4/25, 2.4.6.8/30 }
nat on lo0 inet from 10.0.1.0/24 to 2.4.6.8/30 -> 127.0.0.1
nat on lo0 inet from 10.0.1.0/24 to 1.2.3.4/25 -> 127.0.0.1
nat on lo0 inet from 127.0.0.0/24 to 2.4.6.8/30 -> 127.0.0.1
nat on lo0 inet from 127.0.0.0/24 to 1.2.3.4/25 -> 127.0.0.1
rdr on lo1 inet proto tcp from 10.0.1.0/24 to 2.4.6.8/30 port 21 -> 127.0.0.1 port 8021
rdr on lo1 inet proto tcp from 10.0.1.0/24 to 1.2.3.4/25 port 21 -> 127.0.0.1 port 8021
rdr on lo1 inet proto tcp from 127.0.0.0/24 to 2.4.6.8/30 port 21 -> 127.0.0.1 port 8021
rdr on lo1 inet proto tcp from 127.0.0.0/24 to 1.2.3.4/25 port 21 -> 127.0.0.1 port 8021
rdr on lo0 inet proto tcp from 10.0.1.0/24 to 2.4.6.8/30 port 21 -> 127.0.0.1 port 8021
rdr on lo0 inet proto tcp from 10.0.1.0/24 to 1.2.3.4/25 port 21 -> 127.0.0.1 port 8021
rdr on lo0 inet proto tcp from 127.0.0.0/24 to 2.4.6.8/30 port 21 -> 127.0.0.1 port 8021
rdr on lo0 inet proto tcp from 127.0.0.0/24 to 1.2.3.4/25 port 21 -> 127.0.0.1 port 8021