Re: root access to block disk devices

From: Amon Ott <ao@rsbac.org>
Subject: Re: root access to block disk devices
Date: Mon, 16 Jul 2001 17:37:10 +0200

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On Mon, 16 Jul 2001 steve wrote:
> Hello?  Is anyone listening? :-)

Not me during weekends. Also, some things have to be checked before answering.

> I figured out how to prevent root from accessing your disks through the
> devices.   What was holding me up is that I was removing the rights from
> the device for root, but root was still getting access from Group 0
> (everyone).  Once I removed rights from that group, root could no longer
> access the information on disk using the devices (e.g. /dev/sda,
> /dev/sda1, etc.)
> 
> Maybe this is old news, but I couldn't find reference to it in the
> archives.

That's another way of doing it without masks. However, masks should be working
in pre8.

Amon.
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