Alias /gallery /var/www/gallery

<Directory /var/www/gallery>
    AllowOverride Options FileInfo

    Order allow,deny
    Allow from all
    <Files ~ "\.(inc|class)$">
         Order deny,allow
         Deny from all
    </Files>

    <Files .htaccess>
         Order deny,allow
         Deny from all
    </Files>
</Directory>

<Directory /var/www/gallery/g2data>
    Order deny,allow
    Deny from all
</Directory>

<Directory /var/www/gallery/install>
    Order deny,allow
    Deny from all
    Allow from 127.0.0.1
    ErrorDocument 403 "Access denied per /etc/httpd/conf/webapps.d/gallery.conf"
</Directory>