| Bug ID |
10933
|
| Summary |
"Decode as" don't work well for modbus
|
| Product |
Wireshark
|
| Version |
1.12.3
|
| Hardware |
x86-64
|
| OS |
Windows 7
|
| Status |
UNCONFIRMED
|
| Severity |
Major
|
| Priority |
Low
|
| Component |
Common utilities (libwsutil)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 13430 [details]
can't be resolved
Build Information:
Version 1.12.3 (v1.12.3-0-gbb3e9a0 from master-1.12)
Copyright 1998-2015 Gerald Combs <[email protected]> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled (64-bit) with GTK+ 2.24.23, with Cairo 1.10.2, with Pango 1.34.0, with
GLib 2.38.0, with WinPcap (4_1_3), with libz 1.2.5, with SMI 0.4.8, with c-ares
1.9.1, with Lua 5.2, without Python, with GnuTLS 3.2.15, with Gcrypt 1.6.2,
without Kerberos, with GeoIP, with PortAudio V19-devel (built Jan 7 2015),
with
AirPcap.
Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 3.2.15, Gcrypt 1.6.2, without AirPcap.
Intel(R) Pentium(R) CPU G630 @ 2.70GHz, with 1877MB of physical
memory.
Built using Microsoft Visual C++ 10.0 build 40219
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
Since I don't use the Modbus standard port 502, firstly, I capture the data,
then decode the data as "Modbus TCP", but it can't be classified or resolved.
Refer to picture M1
I have to change the standard port to my real port, then it's OK.
Refer to picture M2
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