By default our servers have Directory Listing set to off. This means if a folder does not have a default document (i.e. index.htm, index.php, index.html, etc.) you will receive a 403 forbidden error.
To enable it, you would need to enable directory listing in your .htaccess file by adding the following line:
If you only want to enable it for a specific folder, just create a new .htaccess file in that specific folder and add the line mentioned above.