Alternatively, just specify "-c blowfish". Blowfish is a fairly light
cipher.

On Thu, 2007-27-09 at 16:30 -0400, Austin Murphy wrote:
> Hi Peter,
>
> You want a "null cipher" for the data transport after authentication.
> My understanding is that this is possible, but you need to recompile
> OpenSSH.
>
> Austin
>
> On 9/27/07, Peter Daum wrote:
> > Hi,
> >
> > ... maybe a little heretic: is there any way to tell ssh to forward data
> > without any encryption. (or using some very "light" cipher)?
> >
> > I am experimenting with a central backup server that will get data from
> > many hosts at the same time via rsync+ssh.
> > While I am very concerned about access control (thus ssh/public key
> > authentification), the data is transfered over a network that can't
> > easily be eavesdropped, so the data encryption would be expendable.
> > After doing some tests, it looks like the additional CPU load caused
> > by data encryption might be too much ...
> >
> > Regards,
> > Peter Daum
> >
> > P.S.: I had posted this question before; as I just noticed,
> > it was rejected with the comment
> > "Please tell the list which version and vendor of SSH you are using"
> > The machines in question (all Linux) run different versions of openssh
> > (version 4.1 ..4.7, Suse, Debian,or self-compiled); I hadn't noticed
> > a new option regarding this issue in newer versions ...
> >
> >