pass in from port = 10101
pass out from any to port != 22
block in from port 20:21
block out from any to port 10 <> 100
pass out from any to port = (3,5,7,9)
block in from port = (20,25)
pass in from any port = (11:12, 21:22) to any port = (1:2, 4:5, 8:9)