JSI Tip 10092. How can I block internet access for a specific user account?

The easiest way to block internet access for a user is to set their proxy server settings to a non-existent proxy server, and prevent them from changing the setting:

1. Create a new policy in GPMC by right-clicking your domain and pressing New. Name the policy No Internet.

2. Right-click No Internet and press Enforced to check it.

3. Select No Internet in the left-hand pane, select Authenticated Users under Security Filtering and press Remove, and OK to prevent the policy from applying.

4. Using Group Policy to implement Internet Explorer settings, navigate to User Configuration / Windows Settings / Internet Explorer Maintenance in the No Internet policy.

2. Right-click Internet Explorer Maintenance and press Preference Mode.

NOTE: If a policy is already defined, you must press Reset Browser Settings, which will reset any Internet Explorer Maintenance Group Policy, before you press Preference Mode.

3. Navigate through Connections and double-click Proxy Settings (Preference Mode).

4. Check Enable proxy Settings, Use the same proxy server for all addresses, and Do not use proxy server for local (intranet) addresses.

5. Type into Address of proxy and 80 into Port.

6. Press OK.

7. Close the No Internet group 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:

1. Select the No Internet group Policy under your domain and press Add under Security Filtering.

2. Use the Advanced dialog to locate and select the user, pressing OK.

3. Press OK.

4. If the user is logged on, force the policy to update.

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