Subject: Re: [nfsv4] draft-eisler-nfsv4-impid-00.txt

From: Brent Callaghan <[email-masked]>
Date: Wed, 24 Aug 2005 10:46:57 -0700

> J.j Bruce Fields writes:

> Actually, could you get most of what you want just with existing tools
> for tcp/ip fingerprinting?

Sure, especially if the implementations helped with a few clues.

One obvious one is the tag string the accompanies every compound.

Implementations could easily append some implementation ID bytes
to the tag string for some infrequently occuring op.  For instance, on
a PUTROOTFH the client could append its ID, and the server could
do the same on the reply.  Just a few bytes with a contraction of
the product name and version - or Mike's nfs_impl_id data.

This could be done within the existing 4.0 protocol.

	Brent

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