When a web server receives a request for a URL, it typically looks for a default landing page file, such as index.html or index.php .If that file does not exist, and the server configuration allows directory browsing, the server automatically generates a page listing every file and folder within that directory.
When thousands of users find an open directory and begin downloading large audio or video files, they consume the server's bandwidth. This can lead to massive hosting bills or crash the website entirely. 3. Target for Cyberattacks intitle index of xxx mp3 link