1 pass in on ed0 proto tcp from localhost to localhost port = 23 flags S/SA
2 block in on lo0 proto tcp from any to any flags A
3 pass in on lo0 proto tcp from any to any flags /SAP
4 block in on lo0 proto tcp from any to any flags 0x80/A
5 pass in on lo0 proto tcp from any to any flags S/18
6 block in on lo0 proto tcp from any to any flags 2/18
7 pass in on lo0 proto tcp from any to any flags 2
8 block in on lo0 proto tcp from any to any flags /16
9 pass in on lo0 proto tcp from any to any flags 2/SA