in This Tutorial you will learn "How To Disable Apache Directory Listing Browsing Using .htaccess File On Ubuntu 20.04" In Apache, directory listing is a default behavior that displays the contents of a directory if there is no default index file such as index.php or index.html. In a production environment, enabling directory browsing is not recommended since it may lead to information leakage and help attackers to determine how a website or web application is structured and increase the attack surface. Apache - Apache is the most widely used web server software.