The Index Manager allows you to customize the way a directory will be viewed on the web. You can select between a default style, no indexes, or two types of indexing. If you do not wish for people to be able to see the files in your directory, choose no indexing.
Using Index Manager Tutorial
1. Login to your control panel http://replace-with-your-domain.com/cpanel
2. Click Index Manager
3. Select directory and follow directions
To stop directory browsing for your site select the public_html and select 'No Indexing' and select 'save'