You will be able to Disable or Enable directory browsing within your account through the IIS 7 Manager.
Connect to your site
using IIS 7 Manager. Navigate to "HTTP Features/Directory Browsing" to Disable or Enable Directory Browsing for your site.
Directory browsing allows site visitors to view a list of the files in a directory if that directory has no default document in it. By default, directory browsing is enabled.
Article ID: 590, Created On: 8/12/2009, Modified: 4/21/2011