You can prevent users on your computer from visiting specific websites. Simply follow the steps below to block websites in Internet Explorer:
1. From the Tools menu, select Internet Options
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2. Select the Content tab.
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3. Under Content Advisor section, click the Enable button.
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4. Select the Approved Sites tab.
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5. Type the URL of the website you want to block in the ‘Allow this website’ textbox and click the Never button.
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6. The website will now be listed as a disapproved website. Click the OK button to continue.
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7. You will be prompted to create a Supervisor Password. Enter your desired password, confirm it and provide a password hint. Click the OK button.
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You will not be able to access the website as long as the URL is listed under disapproved sites.