OpenGrok

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