:: Anne Gorham
:: What I am trying to do is enable students to access a Sun Solaris
:: computer from either a Linux computer or an XP PC. On that Sun,
:: students store instrument analyses, and often want to process this
:: data from their own computers or from workstations in the lab.
:: What I am concerned with is security. I was going to have the
:: students open a secure shell (SSH) window, connect to the Sun, and
:: start a vncserver session. Once that is done, launch their viewer
:: and get to work. After they are done, they'll close the viewer and
:: then kill the session. Do I need to do anything else to safeguard
:: and/or streamline this process?
: Mick <[EMAIL PROTECTED]>
: Do they need/have to run a VNC viewer session? Can't they just
: donwload the data files using e.g. ftp, work on these locally at
: their PC's, or at a remote college workstation and then upload the
: modified data back to the server?
Or, if the processing tools only run on the Sun, and you are running an
ssh session already, why not just use X forwarding via ssh? That should
be secure, and is quite streamlined (ssh knows about X). At least...
that should work for the linux users. It should also be possible to do
similar things from the XP PCs, but with a larger install footprint than
vncviewer.
If VNC is better, then for streamlining, there's the tightvnc option of
"via", which sets up the ssh tunneling for you, but again, that's
probably a linux-only feature. I'm unaware of similar features in
realvnc; has that been added? It seems a bit against the basic charter
of platform neutrality and separation of tasks, so I assume not.
So, to boil my thoughts down, you might want to look into
1) scp to copy files locally if the tools can run locally
2) X forwarding via ssh, because it's more streamlined
3) use of -via
Each of these has its own drawbacks, so it's not clear any are suitable.
But they are all additional streamlining to consider.
Wayne Throop [EMAIL PROTECTED]
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