Quoting Jay Kline (list@slushpupie.com):
> I maay be wrong, but dont the SSH clients need that banner to be able to 
> identify what version to use?
Yes; the major/minor combination tells the client which protocol versions
can be used. The latest phrack has some interesting information about that
as well :)
Greets,
	Robert
-- 
( o>                          Linux Generation                          <o )
///\            finger rvdm@debian.org for my GnuPG/PGP key.            /\\\
\V_/                                                                    \_V/
                      <Fluor> zarq: i'll be gentle :]