> Will your product require no change at all if it is the front end for a
> standard web server and an IPP Printer? It seems this would require your
> product to listen to 2 ports.
It is common for a single server to listen on multiple ports. As
Peter Melquist from HP pointed out, there is even a well known port for
network management over HTTP (280). Our server will listen on whatever
ports the system tells it to.