1 2 3
map foo0 from any port = 1 to any port != 0 -> 0.0.0.0/32 udp map foo0 from any port < 1 to any port > 0 -> 0.0.0.0/32 tcp map foo0 from any port <= 1 to any port >= 0 -> 0.0.0.0/32 tcp/udp