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 }" rdr on lo0 inet proto tcp from any to 1.2.3.4 port 2222 -> 10.0.0.10 port 22 rdr on lo0 inet proto tcp from 127.0.0.0/24 to 1.2.3.0/25 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 10.0.1.0/24 to 1.2.3.0/25 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 lo1 inet proto tcp from 127.0.0.0/24 to 1.2.3.0/25 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 10.0.1.0/24 to 1.2.3.0/25 port 21 -> 127.0.0.1 port 8021 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