From owner-freebsd-questions@FreeBSD.ORG  Sat May 24 14:48:09 2014
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 20223C32
 for <freebsd-questions@freebsd.org>; Sat, 24 May 2014 14:48:09 +0000 (UTC)
Received: from mx02.qsc.de (mx02.qsc.de [213.148.130.14])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id D63F22183
 for <freebsd-questions@freebsd.org>; Sat, 24 May 2014 14:48:08 +0000 (UTC)
Received: from r56.edvax.de (port-92-195-4-63.dynamic.qsc.de [92.195.4.63])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by mx02.qsc.de (Postfix) with ESMTPS id A782027620;
 Sat, 24 May 2014 16:48:06 +0200 (CEST)
Received: from r56.edvax.de (localhost [127.0.0.1])
 by r56.edvax.de (8.14.5/8.14.5) with SMTP id s4OEm6t4004454;
 Sat, 24 May 2014 16:48:06 +0200 (CEST)
 (envelope-from freebsd@edvax.de)
Date: Sat, 24 May 2014 16:48:06 +0200
From: Polytropon <freebsd@edvax.de>
To: freebsd@dreamchaser.org
Subject: Re: write-protected usb flash drive
Message-Id: <20140524164806.f8c9ef28.freebsd@edvax.de>
In-Reply-To: <5380AFBA.9010701@dreamchaser.org>
References: <537FE744.3030002@dreamchaser.org>
 <20140524095820.4c670b90@X220.alogt.com>
 <alpine.BSF.2.00.1405232148540.89909@wonkity.com>
 <5380AFBA.9010701@dreamchaser.org>
Reply-To: Polytropon <freebsd@edvax.de>
Organization: EDVAX
X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org>
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 24 May 2014 14:48:09 -0000

On Sat, 24 May 2014 08:42:02 -0600, Gary Aitken wrote:
> >>> I'm having trouble locating what I want -- a physically
> >>> write-protected flash drive. My searches so far have come up
> >>> empty. Thought someone here would know of one if it exists. I
> >>> don't want or need additional encryption gimicks on it. Anyone
> >>> know of one?  32G or larger
> >>> 
> >> I have not seen one recently. The memory cards used in cameras
> >> still have a write protection but you would need an adaptor to read
> >> them.
> > 
> > The write protect switch on those cards is merely an input,
> > effectively saying "please don't write to this card".  It does not
> > actually disable writing.  There is replacement firmware for many
> > Canon cameras that uses that switch for another function (to enable
> > or disable the replacement firmware, as I recall).
> 
> Dangit, I thought Polytropon's solution would enable me to get around
> the poor reliability of the kanguru products.

Urg... this is terrible! Who invents a write protection switch
that depends on software to "respect" it?! We definitely need
a write enable punch like what 5.25" floppies had. Or even
worse: "no ringee, no writee"... yes, I'm already old... ;-)



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...