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Wireshark-bugs: [Wireshark-bugs] [Bug 2475] New: UDP Not Decoded as UNIStim

Date: Fri, 18 Apr 2008 05:46:13 -0700 (PDT)
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2475

           Summary: UDP Not Decoded as UNIStim
           Product: Wireshark
           Version: 1.0.0
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Major
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: keithfrench@xxxxxxxxxxxxx


Created an attachment (id=1708)
 --> (http://bugs.wireshark.org/bugzilla/attachment.cgi?id=1708)
UNIStim example

Build Information:
Version 1.0.0

Copyright 1998-2008 Gerald Combs <gerald@xxxxxxxxxxxxx> 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 with GTK+ 2.12.8, with GLib 2.14.6, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, with libpcre 7.0, with SMI 0.4.5,
with ADNS, with Lua 5.1, with GnuTLS 1.6.1, with Gcrypt 1.2.3, with MIT
Kerberos, with PortAudio V19-devel, with AirPcap.

Running on Windows XP Service Pack 2, build 2600, with WinPcap version 4.0.2
(packet.dll version 4.0.0.1040), based on libpcap version 0.9.5, without
AirPcap.

Built using Microsoft Visual C++ 6.0 build 8804

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.
--
In Wireshark V1.0.0 the UNIStim protocol dissector only decodes packets as UDP
not UNIStim. Please see attached trace as an example. This trace uses ports
5000 & 7000, but I have seen it on other ports as well.

You can decode it as UNIStim via the "Decode As" facility. I have also tried
setting the UDP preference "Try heuristic sub-dissectors first", but this made
no difference.


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