Re: [Freebsd-security] Re: Multi-User Security

On Mon, 7 Jun 2004, Crist J. Clark wrote:

> On Sun, Jun 06, 2004 at 11:38:55PM -0700, Doug Barton wrote:
>> On Wed, 19 May 2004, Dan Rue wrote:
>>
>>> You obviously havn't tried to chroot scponly users.. _that's_ the tricky
>>> part.  Especially if you want it to scale up beyond a handful of users.
>>> If i'm wrong - fill me in i'd love to hear how to do it.
>>
>> Have you considered using ~/.ssh/authorized_keys to restrict the account
>> from tty access? This would allow you to do commands (like scp) without
>> the risk of the user getting an actual shell.
>
>  $ ssh host /bin/sh
>
> You don't need a tty to get an interactive shell.

You can also enforce what commands the user can run to prevent this. 
Read sshd(8) for more information.

Doug

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