| pass in proto tcp from any port > 1024 to any port = 25 with not short | |
| pass in proto tcp from any port > 1024 to any port = 25 | |
| block in proto tcp from any to any with short | |
| block in proto tcp from any to any with frag | |
| pass in proto udp from any port = 53 to any port = 53 | |
| block in proto udp from any port = 53 to any port = 53 with not short |