1map z0 0/0 -> 1.1.1.1/32 portmap tcp/udp 1:4 sequential 2map z0 0/0 -> 1.1.1.1/32 portmap tcp/udp 1000:5000 sequential 3map z0 0/0 -> 1.1.1.1/32 portmap tcp/udp 1000:50000 sequential 4