2 # Only allow TCP packets in/out of le0 if there is an outgoing connection setup
3 # somewhere, waiting for it.
5 pass out quick on le0 proto tcp from any to any flags S/SAFR keep state
6 block out on le0 proto tcp all
7 block in on le0 proto tcp all
9 # allow nameserver queries and replies to pass through, but no other UDP
11 pass out quick on le0 proto udp from any to any port = 53 keep state
12 block out on le0 proto udp all
13 block in on le0 proto udp all