block drop all
block return all
block return-rst proto tcp all
pass all flags S/SA keep state
pass in all no state
pass out all no state
pass all no state
block drop in all
block drop out all
block drop all
pass in all flags S/SA keep state
pass out all flags S/SA keep state
block drop on lo0 all
pass on lo0 all flags S/SA keep state
block drop on lo0 all
pass proto tcp all flags S/SA keep state
pass proto udp all keep state
pass in proto udp all keep state
pass out proto udp all keep state
pass out on lo0 proto tcp from any to any port = smtp flags S/SA keep state