Date: Thu, 18 Nov 1999 17:03:56 -0500 From: Christopher Michaels <ChrisMic@clientlogic.com> To: "FreeBSD Questions (E-mail)" <questions@FreeBSD.org> Subject: Off topic (was: secure filesystem wiping) Message-ID: <6C37EE640B78D2118D2F00A0C90FCB4401105D9A@site2s1>
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If we could have a quote of the week, I think this would be it! :) -Chris > -----Original Message----- > From: Peter Jeremy [SMTP:jeremyp@gsmx07.alcatel.com.au] > Sent: Thursday, November 18, 1999 3:52 PM > To: TrouBle > Cc: security@FreeBSD.ORG; questions@FreeBSD.ORG > Subject: Re: secure filesystem wiping > > On 1999-Nov-18 16:44:28 +1100, TrouBle wrote: > >obliterate only wipes the one file you specify.. i want to wipe all the > >free space on the disk, without damaging good intact files on it, > > This isn't technically possible. You can't securely wipe data from a > disk using the disks own R/W head/electronics (which is the only way > to preserve intact files). > > I'd suggest the following: > 1) Copy wanted files to another disk. > 2) Wipe unwanted files off original disk using one of the following: > a) Raise temperature of entire disk drive to >>1000 degrees, stir > well and (optionally) add plenty of oxygen. Cool and pulverise. > b) Open drive housing and gently manicure each platter with an > angle grinder. > > > linux > >has a progrtam called wipe that does this, > > Not securely. > > >> The thread was "Secure deletion". There is a handy prog in Message-ID > >> <378A58EA.ACF1412F@softweyr.com> > > You can specify a disk partition instead of a file if you want. > > Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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