I agree with Jaime that this is not the most pressing concern right now. 
I raised it because some students did abuse this possibility on the old
CACR cluster.  If there isn't an straightforward fix, then we should just
remain vigilant and take further action when needed.

Steve


>  Robin:
>
> Do not put any effort into disabling ssh from compute nodes to
> compute nodes. MPI, TCP/sockets, cluster openmp use ssh to communicate
> with
> the nodes.
>
> There will be some users that will figure it out but not many.
>
>
> --
> Jaime E. Combariza
> Assistant Director Research Computing
> Academic Technology Services
> [log in to unmask]
> (513) 529-5080
> Miami University
> Oxford, Ohio 45056
>