Wallace Nicoll wrote:
> Marco Bernardini wrote:
>
> > At 11.32 10/04/2000 +0100, Wallace Nicoll wrote:
> >
> > >It has been reported that some of our users have been listening to
> > >streaming audio (radio stations) and I'm trying to find out if this
> > >information is logged.
>
> > You need to log OUTGOING requests: it's a bit difficult, because usually a
> > server can log only INCOMING traffic. ... ask some corporate admins.
>
> I am that corporate admin (8-) !!! We are logging all our outgoing traffic
> through Apache as Proxy Server with no problem. And are using a product called
> I-Gear to block access to unsuitable content. However, my suspicion is that the
> streaming audio is passed transparently without any entries in the logfiles.
> Once Windows Media Player is established, I suspect it bypasses the normal HTTP
> process.
Real Audio uses a different protocol that HTTP, so it won't be tracked in the
Apache logs (other than the initial request for the .ram file). In fact, I think it
uses UDP rather than TCP for streaming content (because UDP packets are in an
expected order).
> In another thread Walter Vannini commented in reply to an earlier post ...
>
> Fabien>Also I am looking for a way to know how long a user has been connected
> Fabien>in average to the video
>
> Walter>... you just can't know that. You can maybe guess.
>
> Can anyone with experience of providing streaming services comment?
Obviously the real audio system is tracking 'sessions' -- it has to keep track of
which user gets which stream at what point. This is probably done through a unique
user id in the client product (or one communicated on connection). You would
probably need to be tracking all network traffic on all ports and then filter out
the stuff you don't want to look at. But breaking those packets into statable
content may be hard.
There are several (pricey) commercial packages that include support for streaming
media analysis. Some are meant for server monitoring others for network traffic
monitoring. If it's worth the cost look at things like Macromedia/Andromedia's
Aria, Active Concepts's Funnel Web, or Accrue Insight. Though these are all
overkill if you just want to monitor streaming media usage on your pipe. :)
HTH,
Jeremy Wadsack
Wadsack-Allen Digital Group
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