/etc/apache2/sites-available/contentshell.conf

<VirtualHost *:80>
        ServerAdmin webmaster@localhost
        DocumentRoot /var/www
    ErrorDocument 404 /redirect/404.php
    ErrorDocument 500 /redirect/500.php
    ErrorDocument 502 /redirect/502.php
    ErrorDocument 503 /redirect/503.php
    ErrorDocument 504 /redirect/504.php

        <Directory />
                Options -Indexes +FollowSymLinks
                AllowOverride None
                DirectoryIndex index.html index.php /_h5ai/server/php/index.php
        </Directory>
        <Directory /var/www>
                Options -Indexes +FollowSymLinks +MultiViews
                AllowOverride None
                Order allow,deny
                allow from all
        </Directory>

        ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
        <Directory "/usr/lib/cgi-bin">
                AllowOverride None
                Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
                Order allow,deny
                Allow from all
        </Directory>

        ErrorLog ${APACHE_LOG_DIR}/error.log

        # Possible values include: debug, info, notice, warn, error, crit,
        # alert, emerg.
        LogLevel error

        CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>