https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7497
Summary: application incorrectly recognised by source port
Product: Wireshark
Version: 1.4.8
Platform: x86
OS/Version: Windows 7
Status: NEW
Severity: Normal
Priority: Low
Component: Dissection engine (libwireshark)
AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
ReportedBy: white.gavin@xxxxxxxxx
Build Information:
Version 1.4.8 (SVN Rev 38094 from /trunk-1.4)
Compiled (32-bit) with GTK+ 2.16.6, with GLib 2.22.4, with WinPcap (version
unknown), with libz 1.2.3, without POSIX capabilities, without libpcre, with
SMI
0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS 2.10.3,
with
Gcrypt 1.4.6, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built
Jul
18 2011), with AirPcap.
Running on 32-bit Windows 7, build 7600, with WinPcap version 4.1.2 (packet.dll
version 4.1.0.2001), based on libpcap version 1.0 branch 1_0_rel0b (20091008),
GnuTLS 2.10.3, Gcrypt 1.4.6, without AirPcap.
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I have captured a number of FIX v5 sessions using tcpdump, and I am replaying
them with wireshark.
Typically, wireshark recognises the application as FIX and decodes the packets
correctly.
However, where the source port is tcp/1433, wireshark fails to automatically
decode the traffic as FIX. Instead the packets show up as plan TCP with no
application decoding.
If I select the packet and click 'decode as.. fix', then the packets get
decoded correctly.
How to reproduce: capture a FIX session where the source port has been set to
tcp/1433 and open the capture file in wireshark.
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