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Old 10-26-2010, 05:05 AM
Qiang Li
Default Mounting an encrypted volume presents the volume to all users on a machine

On Tue, 2010-10-26 at 00:28 +0200, nodata wrote:
> Hi,
> I'm concerned about the default behaviour of mounting encrypted volumes.
> The default behaviour is that a user must know and supply a passphrase
> in order to mount an encrypted volume. This is good: know the
> passphrase, you get to mount the volume.
> What I am concerned about is that the volume is mounted for _every_ user
> on the system to see.
> I've filed a bug about this, and it got closed:
> https://bugzilla.redhat.com/show_bug.cgi?id=646085
> I'm quite in favour of secure by default. In the worst case, the
> mountpoint would have permissions set to read access to all if you tick
> a box.
> Thoughts?

I'd think you mixed the concept of volume encryption and permission.
Once you supply the pass for the encrypted volume, it means that you
grant the right to OS to mount this volume. Then the OS is in charge of
permission settings. OS doesn't care about if it is encrypted or not, it
only knows some volume wants to be mounted and it sets permission as the
default schema.


Qiang Li
HuBei Polytechnic Institute
No. 17 YuQuan Road
XiaoGan HuBei 432100
E-mail: liqiang@hbvtc.edu.cn

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