>> Network firewalls do not look at executables on your server
They're completely correct.
However I wasn't talking about NetWork Firewalls, I was talking about Windows Firewall which is almost certainly running on the server, and absolutly does work on an EXE basis.
Control Panel, Windows Firewall, Add Exception etc.
You've seen this window popup on your own machine whenever you run a new server ( Block / Allow) - but on Windows Server versions that window (by default) does not popup up. You have to go to the firewall manually.
cheers
Bruce