Hi

Please report this in a bug-report on https://bugs.wireshark.org/bugzilla/
and attach a sample trace detailing the issue.

regards
Roland

On Sat, Jul 30, 2016 at 8:27 AM, Dennis Luehring <[email protected]> wrote:

> i use a "Live on the Bleeding Edge" Version
>
> https://www.wireshark.org/download/automated/win64/Wireshark-win64-2.3.0-128-g98e8b26.exe
>
> Sample Modbus-Exception-Code Response:
> 00 00 00 00 00 03 00 88 01
>
> Modbus/TCP
>     Transaction Identifier: 0
>     Protocol Identifier: 0
>     Length: 3
>     Unit Identifier: 0
> Function 8:  Diagnostics.  Exception: Illegal function
>     Function Code: Unknown (136) <-- !! the execption bit does not get
> masked here !! (136 & 0x7F) == 8
>     Exception Code: Illegal function (1)
>
>
>
>
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