| 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} |