openssh-2.9p1 scp to ssh-2.4 fails

[mouring at etoh.eviladmin.org]

He must use sftp.  OpenSSH scp does not support sftp protocol, and SSH
Corp's v2 server ONLY implements sftp not traditional rcp-like scp.

- Ben

On Wed, 20 Jun 2001 J.S.Peatfield at damtp.cam.ac.uk wrote:

> Damn finger trouble... (must learn to cut/paste...)
>
> Am I missing something obvious or does the scp in openssh not
> interoperate with the scp in ssh-2.4?  I don't have any ssh-2.4
> systems but a user here trying to fetch a file from a site which uses
> it (and doesn't have scp1 gets):
>
> $ scp -o 'protocol 2' -v foobar at somesite.com:tf19.dat .
> Executing: program /usr/bin/ssh host somesite.com, user foobar, command scp -v -f tf19.dat
> foobar at somesite.com's password:
> scp: warning: Executing scp1 compatibility.
> scp: FATAL: Executing ssh1 in compatibility mode failed (Check that scp1
> is in your PATH).
>
> I assume that the scp warning is comming from the far end.  Turning up
> debugging shows that ssh protocol 2 is correctly being used, but for
> some reason the remote scp tries to run scp1 (which isn't there).
> Does ssh-2.4 use a different form of scp to that used by ssh1 and
> openssh?
>
> Is there an obvious fix (other than trying to get the remote site to
> update to openssh)?
>
> Is the scp protocol used in ssh-2.4 documented?  Could we add support
> for it in openssh?
>
>  -- Jon
>