Machine restrictions

From: Kevin Raubenolt (raubenol@ohio.edu)
Date: Thu Dec 05 2002 - 15:16:00 EST


I have a four node 5.1A cluster (TruCluster) in which I want to limit a
subset of my user shell accounts to only 1 machine in that cluster. I
don't know if this is possible. I have created a dummy shell to do this
but I have run into some limitations and wanted to know if anyone can think
of a method to do this. (if [[hostname == node 4]] then allow access )

I know you can use cluster alias weights to force traffic to a certain
machine but I want even higher restrictions. I want a group of users ONLY
to be able to use 1 machine in my cluster (node 4). I don't want them to
be able to use the cluster alias or any other machine to connect via ssh.
Example User A could ssh node4 successfully but fail on ssh cluster-alias,
ssh node1, ssh node2, ssh node3.

Kevin Raubenolt Network Engineer
Ohio University Communication Network Services
-------------------------------------------------------
My PGPKEY: http://oak.cats.ohiou.edu/~raubenol/pgp.html
or http://pgpkeys.mit.edu/ search: raubenol



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