The application whose traffic I'm interested uses only Modbus messages
0x03 and 0x17, with register addresses above 1000. Each packet is
similar to an RPC call or response.
The mbtcp dissector claims to intrepret the entire packet, but part of
the relevant data I want to show is claimed by the dissector and not
displayed.
-----Original Message-----
From: wireshark-dev-bounces@xxxxxxxxxxxxx
[mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Guy Harris
Sent: Thursday, 10 July 2008 6:48 PM
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Dissector - how to reject packets
On Jul 9, 2008, at 6:50 PM, Barnes, Pat wrote:
> The dissector I'm working on overrides the mbtcp dissector, to display
> a particular subset of the protocol in application-specific detail.
"Subset" in what sense?
Does your dissector dissect some packets differently from the way the
mbtcp dissector does, or does it, for example, dissect some fields that
are just shown as uninterpreted bytes by the mbtcp dissector?
And how does it recognize the packets that it needs to dissect?
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