Thanks much for all the help.
I will work to wall things off, but as the means of doing that is not
obvious with the way the network is configured, I will also be
watchful for new versions which might provide options for this
On Feb 10, 2009, at 2:54 AM, Ralph Castain wrote:
> The default launcher is ssh - the "rsh" things you see are the name
> of the particular component, not the name of the actual command
> being used. That launcher looks for "ssh" first, and then falls back
> to "rsh" if ssh isn't found.
> OMPI currently doesn't support restricted port ranges. We are
> working on a new release that does, but it won't be out for a few
> weeks. Until that time, my only suggestion would be to look at
> removing the firewall on every node in favor of a firewall on the
> outside of the cluster. I'm not sure any other solution is available
> just yet.