map ep0 172.16.0.0/16 -> 216.68.250.60/32 proxy port ftp ftp/tcp
map ep0 172.16.0.0/16 -> 216.68.250.60/32 portmap tcp/udp 10000:20000
map ep0 172.16.0.0/16 -> 216.68.250.60/32