There are many users in my machine with Windows 7 Ultimate installed. Some of them are standard user accounts that have no administrative access to the computer. I want them to be unable to connect to the internet because of security issues. How to disable internet connection only for some standard user accounts in Windows 7 Ultimate?
Tweak internet explorer:
User profile permission hacking (Medium)
Stops them from using internet, but MSN or any other pre isntalled messenger will still work.
Create new group and apply the policy
NOTE: To prevent a user from changing their proxy settings, implement Disable changing proxy settings or Disable the Connections page in the No Internet policy.
To prevent a user from accessing the internet.
I don't think there's a foolproof way to do this on a local machine. There are few options you can consider but they can be circumvented if the user is technically adept. The following post describes such a method.
Alternatively you can consider Parental Controls
How to Remove Connection Tab from Internet Option through Group policy
If you want to prevent user to change Internet setting then this is very useful feature in Windows . with the help this feature you can prevent user to Add or Remove Dial Up connection and also VPN setting and also Prevent to change LAN setting from Internet Option .