Mine

# The virtualhost:

<VirtualHost *>
        ErrorLog /var/log/apache2/vinci.deva.hh.int_error.log
        CustomLog /var/log/apache2/vinci.deva.hh.int_access.log combined
        DocumentRoot /var/www/vinci.deva.hh.int
        ServerName vinci.deva.hh.int
        ProxyPass / http://localhost:1050/
        ProxyPassReverse / http://localhost:1050/
        <Proxy *>
                Order deny,allow
                Allow from all
        </Proxy>
</VirtualHost>

# The httpd.conf is the dist version, I haven't altered it at all (Debian etch)
# I've loaded mod_proxy and mod_proxy_balancer (just for testing)