dario.lombardo at libero.it
Fri Feb 17 11:55:34 CET 2012
On Fri, Feb 17, 2012 at 11:50 AM, Sylvain Munaut <246tnt at gmail.com> wrote:
> > I'm still not able to sniff enough data to reconstruct TCP sessions.
> > I can get datagrams (even TCP), but they look like "sparse" datagrams.
> > using 2 sniffing phones I have a slightly better result, but not enough
> > consider it satisfying.
> > Are there some other steps that can be done?
> Sure ... debug the issue, fix it, submit a patch. You'll probably need
> deep knowledge of GPRS RLC/MAC layers to do that properly.
I do it for sure, if I am able to.
> > Is there anyone, other that gprs decoder authors, able to make it
> > working?
> I'm not even sure they do.
> The code is more of a "demo" than a complete system, a lot is missing
> to properly decode everything (for, it just "guesses" the GPRS channel
> from a single assignement and then listen on all timeslot of that,
> which mostly a short cut to grab stuff, proving it's possible but not
> that much more, unless the cell has only 1 GPRS arfcn).
It would be nice to have a result like their
where I can find reconstructed HTTP sessions.
> Also since it only support GPRS and not EDGE you can pretty easily
> miss stuff ...
That's an interesting point I can check...
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