1log in proto tcp all 2pass in proto 6 from any to any 3pass in proto udp from localhost to localhost 4block in proto ipv6 from any to any 5block in proto 17 from any to any 6block in proto 250 from any to any 7pass in proto tcp/udp from any to any 8block in proto tcp-udp from any to any 9block in proto tcp-udp from any to any 10