tcpdump mailing list archives

Re: Proprietary link layer headers (DLT:s)?


From: Guy Harris <guy () alum mit edu>
Date: Mon, 28 Nov 2011 00:22:44 -0800


On Oct 17, 2011, at 1:02 AM, Anders Broman wrote:

What would be required to request a DLT for a proprietary format?

If "proprietary" means "to be kept private to your organization", and you can't just use one of the DLT_USERn values 
for it, just ask for it and give a name.  That's one of the purposes of the DLT_USERn values, so if you can use them, 
that's preferable, but there are already proprietary-in-that-sense DLT_ values, so....

If "proprietary" means "our organization created it but will, for example, contribute code to tcpdump and/or Wireshark 
and/or... to dissect it", so that it's privately-defined but publicly-documented, supply a description of the format of 
the link-layer headers.

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