![]() In this method, we will configure it so that it only affects the website we changed. In the first method, we configured a general setting that applies to all the web projects running on the server. Disabling directory listing in a specific web project You can directly copy and modify the following code: If this field is true and you want to disable directory listing, change this field to false. ![]() As you can imagine, is the determining factor for us in this section. DefaultServletįind the listing part of the value in the tag. ![]() In our test on Windows 10, the default installation directory was “C:\Program Files (x86)\Apache Software Foundation\Tomcat 9.0” To disable directory listing on the Tomcat web server, open the conf/web.xml file in the directory where Tomcat is installed. Disabling directory listing in all web projects We can configure directory listing in two different dimensions: the first one will affect all our web projects and the second one will only affect a specified website. However, it is possible to disable directory listing if it was enabled because of a regression or configuration changes. ![]() In Tomcat 5.0, directory listing is disabled by default. Disabling directory listing for selected web servers Disabling directory listing on Tomcat So you should implement a permanent and secure solution by disabling directory listing at web server level, as explained in this article. Though in many cases this is not the best solution because such files are typically forgotten for example when migrating the web application from development to production environments, or when new directories are added. You can disable directory listing by creating an empty index file (index.php, index.html or any other extension your web server is configured to parse) in the relevant directory. How to disable directory listingĪs a security best practice, it is recommended to disable directory listing. Now the attacker has the connection details to the web application’s database, allowing them to possibly damage the database or the web application thanks to these credentials. secret/ he can see and download the backup files, which contains the database connection details. If the attacker finds the secret folder by crawling or fuzzing, when he tries to access it directly, e.g. Let’s assume that a backup copy of the file config.php, in which the credentials for a database connection are kept in, is in the secret folder, which has directory listing enabled. What information is leaked via directory listing and what is the risk? However, the good news is that these types of issues can be easily identified with an automated web vulnerability scanner. Directory listing issues are the type of issues that an SSL certificate won't protect you from. This creates an information leakage issue and attackers can use such information to craft other attacks, including direct impact vulnerabilities such as XSS.Īs you can see from the picture above, the directory listing feature generates an output similar to the dir or ls command that is run on an operating system. Therefore, if a request is made to a directory on which directory listing is enabled and there is no index file such as index.php or index.asp, the web server will return a directory listing, even if the directory contains files from a web application.
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