add action=netmap chain=dstnat comment="" disabled=no dst-address=188.116.64.30 dst-port=17500 protocol=udp to-addresses=192.168.1.11 to-ports=17500
chain=dstnat action=netmap to-addresses=192.168.1.11 to-ports=17500 protocol=udp dst-address=188.116.64.30 in-interface=xxxx dst-port=17500
A taky bych k tomu udelal nejake to pocitadlo do logu neco jako:
chain=input action=log protocol=udp dst-address=188.116.64.30 dst-port=17500 log-prefix="test1"
abych vedel ze ten paket opravdu dorazil