April 29, 2021 0 Comments

Last Updated on April 29, 2021 by amitoverflow1

How to use Apache DirectoryIndex

In this article we will learn about the Apache DirectoryIndex directive provided by Apache directory module . I will show how to use this directive in an htaccess or server.config file.

Apache DirectoryIndex directive

DirectoryIndex is part of Apache mod_dir. A directory module provided by Apache server.
We use DirectoryIndex in an htaccess or server configuration file to set an index file for the directory so that file can be served when a directory is requested.

If you put the following line to your root htaccess , your server will show you demo.php file if you request your root folder ie /:

DirectoryIndex demo.php

By default , your Apache server will serve index.html or index.php file as index but if you if you use the DirectoryIndex line above then Apache will read it and serve demo.php ignoring the files in your directory that start with index

You can use multiple files in DirectoryIndex

More then one file can be added to DirectoryIndex directive , something like the following :
DirectoryIndex demo.php somefile.php
You can use multiple files as backup so that if the first doesn’t exist then the second is served.

DirectoryIndex directive reads files from left to right. The file in first position is served if it exists otherwise the next file is checked .
If none of the specified files exists then you will see a normal 403 forbidden error while requesting a directory path.
You server may return directory list if the DirectoryIndex directive failed and you are using Options +Indexes in your htaccess.

DirectoryIndex maps your current folder path to the file specified as its target.
For example , the following line will map your current directory path , say /

to /demo.php

You will see the contents of /demo.php file on the typed directory URL path / .
But if you want the URL to change , then you can use another mod-dir directive DirectoryIndexRedirect along with DirectoryIndex .

DirectoryIndexRedirect on
DirectoryIndex demo.php

I hope this article was helpful! Thanks so much for reading!

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