On Wed, 22 Jun 2005, Jeff Templon wrote:
> NIKHEF supports MPI jobs.
Brunel *doesn't*, and we don't publish that we support it anywhere that's
obvious to me... so why anyone would
> > attempt to run an MPI job,
(below) in the first place is a mystery, let alone think that skullduggery
with SSH keys is a remotely good idea!
Henry
> Christos Kanellopoulos wrote:
> > Dear All,
> >
> > I was asked by George Tsouloupas to forward his reply to the
> > lcg-rollout mailling list that will hopefully clarify the situation a
> > bit. Unfortunatelly he is not a member of the list and while he tried to
> > subscribe himself today, he did not succeed up to now.
> >
> > Best regards,
> >
> > Christos Kanellopoulos
> > HellasGrid CA/SEE-GRID CA Manager
> >
> >
> > -------- Original Message --------
> > Subject: How to blacklist a certificate at site level ??
> > Date: Mon, 13 Jun 2005 20:17:33 +0300
> > From: George Tsouloupas <[log in to unmask]>
> > To: Christos Kanellopoulos <[log in to unmask]>
> >
> > Hi All,
> >
> > I really hope this makes it to the list.
> >
> > I've sent numerous mails to our ROC but it looks like the information
> > I provide is not making it back to the lists.
> >
> > Again, This is NOT a malicious attack of any kind. As part of a
> > benchmarking/testing tool we are developing, this was an attempt to run an
> > MPI job, that requires passwordless ssh between WN's in order to work.
> >
> >
> > I used to do this routinely within CrossGrid to "test-and-fix" MPI
> > support for my account at a site
> >
> > There was no attempt to by-pass any queuing systems or gain
> > unaccounted-for access to the worker nodes. The generated keys were
> > unique to each site and never left the site.
> >
> >
> > There was NO INTENTION and NO ATTEMPT to compromise security NOR was
> > security compromised. I was using the tools available so I could do my
> > job. Again, security WAS NOT compromised, nothing was copied to anywhere
> > but my account, there is no attempt to get unauthorized access. I was
> > simply trying to get my processes to cooperate after submitting an MPI job
> >
> >
> > If this is unacceptable behavior then we must really figure out a way to
> > prevent it, otherwise the next time it could be someone malicious.!
> >
> > Thanks
> >
> > George
--
Dr. Henry Nebrensky [log in to unmask]
http://people.brunel.ac.uk/~eesrjjn
"The opossum is a very sophisticated animal.
It doesn't even get up until 5 or 6 p.m."
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