Re: How to secure access to SD cards a la USBGuard?

From	Andrei POPESCU <andreimpopescu@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: How to secure access to SD cards a la USBGuard?
Date	2021-12-10 17:30 +0100
Message-ID	<DsQWt-a7-1@gated-at.bofh.it> (permalink)
References	(1 earlier) <DiHrr-7vX-9@gated-at.bofh.it> <DiIdR-81H-27@gated-at.bofh.it> <DiIxb-882-3@gated-at.bofh.it> <DqYYa-5wP-3@gated-at.bofh.it> <DroSC-4ej-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

On Lu, 06 dec 21, 10:18:49, David Wright wrote:
> On Sun 05 Dec 2021 at 13:33:41 (+0100), Andrei POPESCU wrote:
> > On Vi, 12 nov 21, 12:27:59, Stefan Monnier wrote:
> > > 
> > > As mentioned, the way to control it will depend on the specific tool
> > > used to mount.  E.g. if it's mounted by hand via a rule in /etc/fstab,
> > > then you can rules that specify the device via /etc/disk/by-uuid.
> > > 
> > > Do note that partition UUIDs are not designed to be reliable w.r.t
> > > malicious uses (it's easy to create a partition with the same UUID as
> > > some other).
> > 
> > /dev/disk/by-id/ should be device specific.
> 
> It certainly is, but specific to the card reader reading it,
> not the card. And that's whether the card is plugged into a
> slot on the computer, or into a discrete SD/USB adapter.

At least with the built-in reader on an Acer Chromebook R13 the ID 
changes with every card I tested, but you are indeed right about USB 
adapters (at least for the two I could test).


Kind regards,
Andrei
-- 
http://wiki.debian.org/FAQsFromDebianUser

Thread

How to secure access to SD cards a la USBGuard? "hdv@gmail" <hdv.jadev@gmail.com> - 2021-11-11 18:50 +0100
  Re: How to secure access to SD cards a la USBGuard? Stefan Monnier <monnier@iro.umontreal.ca> - 2021-11-12 17:20 +0100
    Re: How to secure access to SD cards a la USBGuard? "hdv@gmail" <hdv.jadev@gmail.com> - 2021-11-12 18:10 +0100
      Re: How to secure access to SD cards a la USBGuard? Stefan Monnier <monnier@iro.umontreal.ca> - 2021-11-12 18:30 +0100
        Re: How to secure access to SD cards a la USBGuard? Andrei POPESCU <andreimpopescu@gmail.com> - 2021-12-05 13:40 +0100
          Re: How to secure access to SD cards a la USBGuard? "hdv@gmail" <hdv.jadev@gmail.com> - 2021-12-05 14:20 +0100
            Re: How to secure access to SD cards a la USBGuard? David Wright <deblis@lionunicorn.co.uk> - 2021-12-06 17:20 +0100
          Re: How to secure access to SD cards a la USBGuard? David Wright <deblis@lionunicorn.co.uk> - 2021-12-06 17:20 +0100
            Re: How to secure access to SD cards a la USBGuard? Andrei POPESCU <andreimpopescu@gmail.com> - 2021-12-10 17:30 +0100
              Re: How to secure access to SD cards a la USBGuard? David Wright <deblis@lionunicorn.co.uk> - 2022-01-03 04:00 +0100
                Re: How to secure access to SD cards a la USBGuard? Andrei POPESCU <andreimpopescu@gmail.com> - 2022-01-11 12:50 +0100
                Re: How to secure access to SD cards a la USBGuard? "hdv@gmail" <hdv.jadev@gmail.com> - 2022-01-11 17:50 +0100

csiph-web