1pass in from 127.0.0.1 to 127.0.0.1/8 2pass in from 127.0.0.1/16 to 127.0.0.1/24 3pass in from 127.0.0.1/25 to ! 127.0.0.1/26 4pass in from ! localhost to localhost/16 5pass in from ! lo0 to ! lo0/8 6