1. Click on the 'Hotlink Protection' icon, which can be found in the Security section of your cPanel home screen.
2. In the 'URL's to allow access' field, ensure that your own sites, including sub-domains are listed.
3. In the 'Block direct access for these extensions' field, enter all the file types you want to protect.
4. In the 'Redirect request to this URL' field, enter the URL to redirect anyone attempting to hotlink your files.
5. Click 'Submit' and Hotlink Protection is enabled
Now your bandwidth is saved 10%.