Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 1742] New: NLM filtering misses some packets

[bugzilla-daemon@xxxxxxxxxxxxx]

http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1742

           Summary: NLM filtering misses some packets
           Product: Wireshark
           Version: 0.99.4
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Major
          Priority: Medium
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: joseph.blough@xxxxxxxxx


Build Information:
wireshark 0.99.4 (SVN Rev 19757)

Copyright 1998-2006 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+ 2.6.9, with GLib 2.6.6, with WinPcap (version unknown), with
libz 1.2.3, with libpcre 6.4, with Net-SNMP 5.3.1, with ADNS, with Lua 5.1,
with

GnuTLS 1.5.1, with Gcrypt 1.2.3, with MIT Kerberos, with PortAudio <= V18, with
AirPcap.

Running on Windows XP Service Pack 2, build 2600, with WinPcap version 3.1
(packet.dll version 3, 1, 0, 27), based on libpcap version 0.9[.x], without
AirPcap.

Built using Microsoft Visual C++ 6.0 build 8804

--
I've been doing work where I've had to filter for NLM packets. I discovered
that
the NLM filter is missing at least one type of NLM packet.

I will attach a pcap.

Set the filter to "nlm" alone.

Packet 39 is an NLM GRANTED call (from server to client).
The next NLM packet listed is 42.

Now set the filter to "nlm rpc".

Packet 41 is now displayed and marked as an NLM packet. The "nlm" filter should
have caught that one as well.


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