What are u looking has name of ICF - Internet Connection Firewall.
ICF represented in HNETCFG.DLL dll, that exposes COM wrapers, INetFw* interfaces.
Start from "Platform SDK: Windows Firewall" section of the MSDN: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ics/ics/windows_firewall_start_page.asp
There are description and samples of using Windows Firewall. There is everything
that you need
v> Does anyone know how to open a range of ports (instead of entering
v> the ports one-by-one) using the Windows Firewall on a 2003 server?
v>
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WBR,
Michael Nemtsev :: blog: http://spaces.msn.com/laflour
"At times one remains faithful to a cause only because its opponents do not
cease to be insipid." (c) Friedrich Nietzsche
Unfortunately, I am not a developer. I was hoping there was some kind of
utility or third party application I could install that would allow me to
open a range of ports.