subsystems (was: OpenSSH/scp ->> F-Secure SSH server Problems)

[Markus Friedl <Markus.Friedl%informatik.uni-erlangen.de@localhost>]

On Tue, Mar 13, 2001 at 11:00:17PM -0500, Greg A. Woods wrote:
> > > The "built-in subsystem" feature is bad design.  It has no business
> > > being directly in the transport protocol.  It is an ugly wart.
> > 
> > No, it is a robust way of specifying server systems without having to
> > rely on locations of binaries, etc.
> 
> [...]
>
> Point of fact is that this silly protocol wart did not make OpenSSH more
> robust [...]

If you are talking about "protocol warts", then you should really read
the spec again. "subsystem" is more general then both "shell" or
"exec", so it's no "protocol wart" at all.

-m