Yes, you have many options to do so. This how to may help.
how to restrict internet accessHow to restrict Internet Access. You may have many options to disable a user or computer to access the Internet. Some options can be adopted for many users ...
www.howtonetworking.com/Internet/restrictie0.htm
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"HelpPLease!" <HelpPLease@discussions.microsoft.com> wrote in message news:A533B9EE-E896-4B8B-99CF-25504F934990@microsoft.com...
Is there any way to maintain a network connection but disable the internet
connection cause i wanna play LAN with one of my buddies and not have to deal
with an internet connection at the same time.