Alias /mediawiki /var/www/mediawiki
<Location /mediawiki/config>
Order deny,allow
Deny from all
Allow from 127.0.0.1
# Allow from .example.com
</Location>
<Location /mediawiki/includes>
Deny from all
</Location>
<Location /mediawiki/languages>
Deny from all
</Location>
<Location /mediawiki/maintenance>
Deny from all
</Location>
<Location /mediawiki/math>
Deny from all
</Location>