A simple server that listens and accepts requests all within a DLL. When the dll is called upon it starts listening on a port. I'd prefer Visual Basic 6 but Delphi otherwise.
1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3).