mjhjmtu

I have set up a webserver on Linux.
Everything is working fine if I use .html extension.
When I change the DirectoryIndex in mij domain.conf file and restart apache / reload the config, it still does not work with .php extension.

#<VirtualHost *:443>
 # The ServerName directive sets the request scheme, hostname and port that
 # the server uses to identify itself. This is used when creating
 # redirection URLs. In the context of virtual hosts, the ServerName
 # specifies what hostname must appear in the request's Host: header to
 # match this virtual host. For the default virtual host (this file) this
 # value is not decisive as it is used as a last resort host regardless.
 # However, you must set it for any further virtual host explicitly.


# ServerAdmin webmaster@localhost
# DocumentRoot /var/www/html

 # Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
 # error, crit, alert, emerg.
 # It is also possible to configure the loglevel for particular
 # modules, e.g.
 #LogLevel info ssl:warn

# ErrorLog $APACHE_LOG_DIR/error.log
# CustomLog $APACHE_LOG_DIR/access.log combined

 # For most configuration files from conf-available/, which are
 # enabled or disabled at a global level, it is possible to
 # include a line for only one particular virtual host. For example the
 # following line enables the CGI configuration for this host only
 # after it has been globally disabled with "a2disconf".
 #Include conf-available/serve-cgi-bin.conf
#</VirtualHost>


<Directory /var/www/html/domain.nu/public_html>
 Require all granted
</Directory>

<VirtualHost *:80>
 ServerName domain.nu
 ServerAlias domain.nu
 ServerAdmin webmaster@localhost
 DocumentRoot /var/www/html/domain/public_html/

 DirectoryIndex index.php index.cgi index.pl index.html index.xhtml index.htm

 ErrorLog /var/www/html/domain/logs/error.log
 CustomLog /var/www/html/domain/logs/access.log combined

 Redirect permanent / https://domain.nu/

</VirtualHost>

# vim: syntax=apache ts=4 sw=4 sts=4 sr noet

I disabled the default 000-default.conf file and made my own domain.nu.conf file for the configurations.