How to properly install rsh without compromising system security

[michael.boman at gmail.com (Michael Boman)]

On 5/25/05, Olaf Greve <o.greve@xxxxxxx> wrote:
> Hi,
> 
> For a project at work we are currently installing a distributed software
> development platform which has been developed years ago. All swell, of
> course, but the issue is that it depends on rsh for remote application
> invocation.
> 
> Now... I have always been taught that rsh, rlogin and rexec are BAD and
> that one should really stick to SSH only.
> 
> Unfortunately, I do not have enough time to completely patch over the
> platform such that it will use SSH (and frankly, that's really a task
> the official developers should perform!), so, I'd like to temporarily
> enable rsh.

Or a quick work-around:

cd /usr/bin
mv rsh rsh.old
ln -s ssh rsh

They are command line compatible for exactly this reason, with some
restrictions. Quick google turned up this:
http://www.hn.edu.cn/book/NetWork/NetworkingBookshelf_2ndEd/ssh/ch04_05.htm

And please remember to distribute the ssh keys propperly so you don't
need to enter password all the time...

/Mike

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