install bandwidthd

apt-get install bandwidthd

debhelper asks for :

• interface to bind to
• networks to record

install apache2

apt-get install apache2

In /etc/apache2/sites-available/default , add:

  Alias /bandwidthd/ "/var/lib/bandwidthd/htdocs/"
    <Directory "/var/lib/bandwidthd/htdocs/">
        Options Indexes MultiViews FollowSymLinks
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.0/255.0.0.0 10.8.0.0/24 192.168.0.0/16
    </Directory>

And in ports.conf, restrict apache to listen only on the lan interface :

Listen 192.168.25.253:80

That's all, reload apache and go on http://rennes.tld/bandwidthd/