this may help, quoted from
http://www.howtonetworking.com/nat.htm
How to configure 2000/2003 NAT services and ports
Open RRAS>IP Routing>NAT, right-click external NIC>Properties>Services and ports, select a service or add a port. To forward to an internal IP, type IP address in Private address.
Don't send e-mail or reply to me except you need consulting services. Posting on MS newsgroup will benefit all readers and you may get more help.
Bob Lin, MS-MVP, MCSE & CNE
How to Setup Windows, Network, Remote Access on
http://www.HowToNetworking.com
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
This posting is provided "AS IS" with no warranties.
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I need to map some ports from one interface on my w2k router (public IP)
to another machine on LAN (private IP). It is possible without external
software? If not, can you recomand me some external software?
Thank P.L.