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From: Arno Wagner <arno@wagner.name>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] 'discard' as default
Date: Sun, 3 Feb 2019 21:14:51 +0100	[thread overview]
Message-ID: <20190203201450.GA32649@tansi.org> (raw)
In-Reply-To: <d4819d2c3f01e3bb5a5ea2228655ac9c706f1cae.camel@scientia.net>

On Sun, Feb 03, 2019 at 18:57:42 CET, Christoph Anton Mitterer wrote:
> On Sun, 2019-02-03 at 18:34 +0100, Arno Wagner wrote:
> > Specrte and Meltdown are indeed nice examples why that can 
> > backfire damatically. Security, like most good engineering,
> > is about redundancy. You cut a bit here and a bit there and
> > suddenly you are nacked. Not good at all.

[...]
 
> Anyway, guess there is nothing more upstream can/should do about
> this... it's good to have an option to enable TRIM (for those who
> deliberately want it) and it's good that it's not the default.
> If distros choose to possibly weaken security, it's up to them and
> unfortunately their users.

I agree on that one. All we can reasonably do is warn. 
Although being a security expert does feel like being
a climate scientists sometimes....

Regards,
Arno
-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno@wagner.name
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
----
A good decision is based on knowledge and not on numbers. -- Plato

If it's in the news, don't worry about it.  The very definition of 
"news" is "something that hardly ever happens." -- Bruce Schneier

  reply	other threads:[~2019-02-03 20:14 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-29 11:05 [dm-crypt] 'discard' as default Jonas Meurer
2019-01-02 20:32 ` Christoph Anton Mitterer
2019-01-02 20:41 ` Christoph Anton Mitterer
2019-01-02 20:57   ` Michael Kjörling
2019-01-03  4:30     ` Arno Wagner
2019-01-03  8:10 ` Milan Broz
2019-01-03 16:26   ` Christoph Anton Mitterer
2019-01-03 17:36     ` Milan Broz
2019-01-03 17:57       ` Michael Kjörling
2019-01-03 17:59       ` Christoph Anton Mitterer
2019-01-03 22:39         ` Arno Wagner
2019-01-30 23:11   ` Jonas Meurer
2019-02-02 22:21     ` Christoph Anton Mitterer
2019-02-03 11:32     ` Jordan Glover
2019-02-03 14:23     ` Michael Kjörling
2019-02-03 17:34       ` Arno Wagner
2019-02-03 17:57         ` Christoph Anton Mitterer
2019-02-03 20:14           ` Arno Wagner [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-12-30 16:19 Jonas Meurer

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