https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4199
Summary: IPFIX/Netflow v10 templates limited to 20 fields
Product: Wireshark
Version: SVN
Platform: All
OS/Version: All
Status: NEW
Severity: Normal
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: jasondev@xxxxxxxxxxx
Build Information:
Version 1.3.2 (SVN Rev 30807 from /trunk)
Copyright 1998-2009 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+ 2.16.1, with GLib 2.20.1, with libpcap 1.0.0, with libz
1.2.3.3, without POSIX capabilities, without libpcre, without SMI, without
c-ares, without ADNS, without Lua, without Python, without GnuTLS, without
Gcrypt, without Kerberos, without GeoIP, without PortAudio, without AirPcap,
with new_packet_list.
NOTE: this build doesn't support the "matches" operator for Wireshark filter
syntax.
Running on Linux 2.6.28-16-generic, with libpcap version 1.0.0.
Built using gcc 4.3.3.
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
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The latest SVN version of wireshark doesn't support IPFIX/Netflow v10 templates
with more than 20 fields. This is an arbitrary limit as best as I can tell
from the code.
I'm working with a product that uses templates with more fields than 20. I'll
attach a diff increasing the limit to 30 - again arbitrary, however it works
for me.
I'll also attach a pcap that can be used to demonstrate the functionality. Be
aware that this pcap exposes a different bug - unsupported total count fields
in the dissector which I'm addressing in a subsequent bug report.
The proposed changes have been fuzz tested using the attached pcap as a data
source.
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