Internet Direct (Indy) Version 9.0.1 Beta
TIdTCPClient.BoundPortMin
Indicates the lowest port number for the local connection when using default port assignment.

property BoundPortMin: Integer;
Description
BoundPortMin is an Integer property that specifies the lowest local port number to be used for the client connection when using default port assignment. BoundPortMin is used in Connect to indicate the lower range for BoundPort in the IOHandlerSocket.ConnectClient method. Use BoundPortMax to indicate the upper range of port numbers available for selection when BoundPort contains the default value BoundPortDefault.