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chain=dstnat action=netmap to-addresses=192.168.1.11 to-ports=21 protocol=tcp src-address=0.0.0.0/0 dst-address=1.1.1.1 in-interface=outside dst-port=21
chain=dstnat action=netmap to-addresses=192.168.1.11 to-ports=20 protocol=tcp src-address=0.0.0.0/0 dst-address=1.1.1.1 in-interface=outside dst-port=20