I am affraid those UDP packets are OpenVPN packet, are not?
I.e. it would be necessary to implement OpenVPN (as I know it is not
implemented) and its decryption.
-----Original Message-----
From: wireshark-users-bounces@xxxxxxxxxxxxx
[mailto:wireshark-users-bounces@xxxxxxxxxxxxx] On Behalf Of Guy Harris
Sent: Tuesday, December 05, 2006 9:33 PM
To: Community support list for Wireshark
Subject: Re: [Wireshark-users] openvpn and packet sniffing
Bill Fassler wrote:
> Sorry I should have provided a better info. Anyway I do get a capture
> and I see only UDP traffic. I am sure the RTP and SIP traffic is
within
> those packets.
I.e., this is "the packets *are* in the capture but aren't recognized by
Wireshark as RTP packets" case.
> I thought of a perl script to possibly parse out what I
> want to see or writing another plugin, that gets to the RTP and then
> passes it off to the appropriate dissector.
All such a plugin would do is detect RTP traffic and cause it to be
dissected as RTP; the way to do *that* is to have the RTP dissector do
that - which is what the "try turning the 'try to decode RTP outside of
conversations preference for RTP on" suggestion was for. If a plugin
could do a better job of detecting RTP traffic than the current RTP
dissector's heuristic, it shouldn't be done as a plugin dissector, it
should be done as a change to the RTP dissector. (If the heuristics are
strong enough - i.e., they won't identify a lot of non-RTP traffic as
being RTP - they could be turned on by default.)
> In any event, I don't want
> to reinvent the wheel and I'm sure someone has already jumped this
> hurdle. I will try your "decode as" suggestion. I think this might
let
> me more easily see what I want although it soudns a little cumbersome.
Why not try the other suggestion?
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