Can Delphi be used to create and handle a custom protocol handler?

Question

We have a need to interoperate between one of our web apps and a Win32 app created in Delphi.

A colleague suggested using a custom protocol handler like ourcom

Answer 1

A custom protocol handler is a registered COM object that implements the IInternetProtocol interface.

Here http://www.doogal.co.uk/plugprot.php is some information on how to implement it in Delphi.