1pass in from port = 10101
2pass out from any to port != 22
3block in from port 20:21
4block out from any to port 10 <> 100
5pass out from any to port = {3,5,7,9}
6block in from port = {20,25}
7pass in from any port = {11:12, 21:22} to any port = {1:2, 4:5, 8:9}
8