question: the destination port that the client should connect to . -1 is returned if not yet known concode_field_sep InetAddress sourceNetworkAddress concode_elem_sep String destinationAddress concode_elem_sep byte sourceNetworkMaskBits concode_elem_sep int destinationPort concode_field_sep int getSourceNetworkMaskBits concode_elem_sep InetAddress getSourceNetworkAddress concode_elem_sep void updatePortIfUnknown concode_elem_sep String getDestinationAddress
target: int function ( ) { return destinationPort ; }