Wireshark · Wireshark-dev: Re: [Wireshark-dev] Store selected Wireshark prefs in pcapng capture file ?

[Jeff Morriss <jeff.morriss.ws@xxxxxxxxx>]

Bill Meier wrote:
> Would it make any sense to be able to store "application specific" 
> information in a pcapng file ?
>
> E.g., selected Wireshark prefs so that Wireshark can act on same ?
>
> This would be useful when a capture file reqires specific dissector
> preferences to properly dissect the file.
>
> Would this fit (at all) within the design goals for pcapng ?
> Is there be a way to do this reasonably cleanly with the existing format ?
>
> How might one indicate the prefs which should to be stored ?

First thought: Keep a list of protocols in the capture file.  For each, 
store only the preferences (if any) for that protocol which don't have 
the default value.