When the server chooses the second option, it creates a Directory Index. At the top of this generated page, there is almost always a link labeled , which allows users to navigate upward into higher-level folders. If this occurs within an /images/ , /uploads/ , or /install/ directory, private user photos, receipt scans, or sensitive installation scripts become entirely public. Why Is This a High-Risk Security Flaw?
: Use the IIS Manager to disable "Directory Browsing" or use the command line: appcmd set config /section:directoryBrowse /enabled:false 2. Manual Directory Blocking parent directory index of private images install
If you do not have administrative access to your server configuration files or cannot use .htaccess , you can implement a manual fail-safe. When the server chooses the second option, it