rsh

Daniel.Pfenniger at obs.unige.ch Daniel.Pfenniger at obs.unige.ch
Wed Sep 24 04:53:54 EDT 2003


Selon Chris Samuel <csamuel at vpac.org>:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> On Tue, 23 Sep 2003 12:40 pm, Jan Schaumann wrote:
> 
> > Why?
> 
> IMHO rsh/rlogin are inherently insecure (vulnerable to spoofing, password 
> sniffing).  We only permit interactive access to our cluster via SSH.
> 
What we do is (with xinetd) to block rsh from acces outside the cluster
and permit rsh only within the cluster.  Of course the cluster users
must be trusted.

ssh does introduce less interactivity for global interactive commands.
 
> > Most likely, ssh will introduce a non-negligible overhead in encryption
> > and/or compression.


Dan


_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf



More information about the Beowulf mailing list