>Noone have ever noticed this problem... so i am not sure if it is related >to your specific setup or to a bug in a old module It is a known bug in mod_bandwidth, see upstream FAQ entry #2. I suspect most Debian users were like me and deployed mod_throttle until it got kicked out of Debian for license reasons. http://www.cohprog.com/v3/bandwidth/faq-en.html#f2