[Ntop] monitor network bandwidth usage

[Vieri]

--- On Wed, 8/4/10, Vieri <rentorbuy at yahoo.com> wrote:

> Hi,
> 
> I've been using ntop for a few years now and it's been very
> useful. Now I would like to do a bit more than just browse
> the web interface.
> 
> My goal is simple: create a custom script that runs every,
> say, 15 minutes, and searches for all "hosts" that were seen
> on my "bridge server" (where ntop is running) whose total
> traffic (down + up) was superior tu a threshold (in bytes)
> within the last quarter of an hour. I would then perform an
> action based on this event (notify IT staff, etc.).
> 
> I'm sure this must be simple but haven't found a clear
> example on how to do it.
> 
> Any pointers?
> 
> Running ntop 3.2.
> 
> Thanks,
> 
> Vieri

I forgot to mention that I'm not using special hardware, so I don't think I can use nProbe / netflows, etc.
I'm running a Linux bridge/gateway with ntop and would like to monitor the traffic coming through it as described above.