Require users to log into a secure account before granting them access to image directories.
. This occurs when a web server's "directory listing" or "autoindex" feature is enabled without an index file (like index.html ) present in the folder. Google Groups Understanding the Directory Index Parent Directory
The server serves the file list to the bot, which then indexes every individual image link. parent directory index of private images exclusive
Search engines like Google, Bing, and DuckDuckGo constantly crawl the web to map out content. If a directory listing is left open, automated crawlers will follow the links within it and add those files to the search engine's public index.
Open IIS Manager, select the directory, double-click “Directory Browsing”, and click “Disable” in the Actions pane. Require users to log into a secure account
System administrators employ several methods to ensure private directories remain private:
Are you asking about regarding how search engines index "parent directory" structures? What should you do?
Suppose you are browsing, performing a security audit, or even just testing your own servers, and you encounter a parent directory index full of private images. What should you do?