Wireshark-bugs: [Wireshark-bugs] [Bug 3192] New: Newer versions of skinny protocol not recognize
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 12 Jan 2009 11:08:50 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3192

           Summary: Newer versions of skinny protocol not recognized.
           Product: Wireshark
           Version: 1.0.5
          Platform: PC
        OS/Version: Windows Vista
            Status: NEW
          Severity: Major
          Priority: High
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: mobile@xxxxxx
                CC: gerald@xxxxxxxxxxxxx


Created an attachment (id=2671)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=2671)
Can't see skinny packet

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
In latest release of Cisco Call Manager, the skinny protocol has got a change
in the header reserved value that was until now a DWORD fixed to 0x00.

In skinny protocol recognition, wireshark checks for two parameters:
hdr_length and hdr_reserved: it assures the first value is greater than 4 (as a
skinny packet is at least 8 bytes including length and protocol reserved
field), second parameter check couldn't be anymore equal to zero as it has
different values depending on the phone protocol version used.


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