We have machines that are connected to each other by a wire. One (A) is on the web and the other(B) is conected as a class C subnet of the machine on the web. Another machine (C) is a class C network of (B). We need to pass data from one to the other. any idea as to how to do this. All major ports would be closed in B and C like 80, 21 , 23 etc.
My options are
TCP/IP socket communoication - request a special port XXX to be opened
RMI but this runs on HTTP
Looking forward for your sugestions