Ethereal-users: Re: [Ethereal-users] Can Tethereal sniff RTP

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From: Kim Young <kimyoung@xxxxxxx>
Date: Sat, 5 Feb 2005 13:39:29 -0500
so you can capture my email
On Feb 5, 2005, at 12:17 PM, Raghavendra Thodime wrote:

Hi Lego,
 Thanks for your reply.
  But I didn't find any such preference in
"preferences" file.  I tried giving
 ./tethereal -o "rtp.heuristic_rtp: TRUE" -R "sip or
rtp" -V.
But it gives error saying
tethereal: -o flag "rtp.heuristic_rtp: TRUE" specifies
unknown preference.

So Can you tell me if I am missing something here. Do
I have to change some preference in the file.

Thanks
-Raghu
--- LEGO <luis.ontanon@xxxxxxxxx> wrote:

Ethereal can heuristically dissect RTP packets,. RTP
heuristic
dissection is a preference not set by default.

So you could either open
preferences->protocols->RTP, check the
heuristic dissection flag, save your preferences,
and then use
tethereal as you did

or launch ethereal setting the preference using the
"-o" argument from
command line, like:

$ tethereal -o "rtp.heuristic_rtp: TRUE" -R rtp

should do


On Fri, 4 Feb 2005 17:18:23 -0800 (PST), Raghavendra
Thodime
<thodime_raghu@xxxxxxxxx> wrote:
In Linux if I give
./tethereal -R "sip or rtp"  -V
I only see sip messages. I don't see rtp messages.
Is
this because tethereal I have is older one. I know
that thereal sniffs rtp packets based on SDP info
it
sees in SIP packet. Is there a way it can sniff
rtp
packets live.

Thanks
Raghu

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Kim Young
Network Technician
Noble High School
388 Somersworth Road
North Berwick, ME   03906
207.676.2821