Re: cluster: rsh vs. ssh

2002-12-05 Thread Colin Watson
On Thu, Dec 05, 2002 at 12:38:07PM -0800, Vineet Kumar wrote: > * sean finney ([EMAIL PROTECTED]) [021205 11:06]: > > wow, i didn't know they had that option! i remember discussing this > > with some folks on the netbsd mailing list a while back, and the general > > consensus was that "it would be

Re: cluster: rsh vs. ssh

2002-12-05 Thread Vineet Kumar
* sean finney ([EMAIL PROTECTED]) [021205 11:06]: > wow, i didn't know they had that option! i remember discussing this > with some folks on the netbsd mailing list a while back, and the general > consensus was that "it would be really cool if ssh had that option". how > long has this been availa

Re: cluster: rsh vs. ssh

2002-12-05 Thread sean finney
wow, i didn't know they had that option! i remember discussing this with some folks on the netbsd mailing list a while back, and the general consensus was that "it would be really cool if ssh had that option". how long has this been available? sean On Thu, Dec 05, 2002 at 10:21:16AM -0

Re: cluster: rsh vs. ssh

2002-12-05 Thread Vineet Kumar
* sean finney ([EMAIL PROTECTED]) [021205 06:43]: > how well do you trust your users? is your cluster's network physically > secured--that is, do users not have access to the machines and their > network cables? for example, if i had access, i could unplug one of the > nodes and plug in my laptop

Re: cluster: rsh vs. ssh

2002-12-05 Thread Rob Weir
On Thu, Dec 05, 2002 at 09:40:50AM -0500, sean finney wrote: > of course if the entire cluster is locked in another room and on > a completely private net, you might not be gaining that much security, > and i'll bet performance is a bit faster without all that encryption. A halfway solution might

Re: cluster: rsh vs. ssh

2002-12-05 Thread sean finney
how well do you trust your users? is your cluster's network physically secured--that is, do users not have access to the machines and their network cables? for example, if i had access, i could unplug one of the nodes and plug in my laptop with a pre-configured ip/mac addr, and then i could go an

cluster: rsh vs. ssh

2002-12-05 Thread Hannes Loeffler
Hi, our cluster configuration has a master node with two NICs: one connected to the outside world, one for a private network. The software we use is parallelized via MIPCH, hence either rsh or ssh will be used to make connections. Every user on the cluster needs to access all the machines withou