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Yo Darren!
On Fri, 16 Jul 2004, Darren Reed wrote:
> Yup, this is all old news. Have you got something new to say ?
Odd, your last message said I did not know what I was talking about
and now I do not have enough details?
> It would be nice if fur
On Wed, 14 Jul 2004 00:44:47 EDT, [EMAIL PROTECTED] said:
> DOD 5220-22M says:
> d. Overwrite all addressable locations with a character, its complement, then a
> random character and verify. THIS
>METHOD IS NOT APPROVED FOR SANITIZING MEDIA THAT CONTAINS TOP SECRET INFORMA-
>TION.
Hmm.
This is off topic.
As well the subject line and what most of you are discussing is not
"erasing" a hard disk, but rather overwriting the data. No amount of
overwriting data will "erase" a disk. To "erase" a disk you need to apply a
relatively high magnetic field (like say one... generated by a dis
In some mail from Gary E. Miller, sie said:
> Hash: SHA1
>
> Yo Darren!
>
> On Thu, 15 Jul 2004, Darren Reed wrote:
>
> > Have you ever actually used format on Solaris to format a SCSI disk ?
>
> Yes, many times.
...
> If I have been simplifying things a bit much it is because I am
> not sure h
El jueves 15 de julio a las 16:41, Vincent Archer escribió:
> they wait for moderation. Since you usually do a group reply to include
> the list in addition to the original poster, the original poster can
That's what everybody does, but I think it's not the best way to
reply. Any decent e-
On Thu, Jul 15, 2004 at 11:08:48PM +1000, Dave Horsfall wrote:
> On Thu, 15 Jul 2004, Darren Reed wrote:
>
> > Have you ever actually used format on Solaris to format a SCSI disk ?
> > It's somewhat similar, I believe, to "scsictl /dev/sd0a format" on NetBSD.
>
> Etc.
>
> Odd... I began seeing
On 14 Jul 2004 at 10:05, Maarten wrote:
> > dd if=/dev/zero of=/dev/hd? ; dd if=/dev/urandom of=/dev/hd?
>
> I agree. But be advised that using /dev/urandom is several orders of
> magnitude slower than either /dev/zero or /dev/full, so if you're not
> paranoid or the data isn't that sensitiv
[ Cc'd by intention ]
On Thu, 15 Jul 2004, Darren Reed wrote:
> Have you ever actually used format on Solaris to format a SCSI disk ?
> It's somewhat similar, I believe, to "scsictl /dev/sd0a format" on NetBSD.
Etc.
Odd... I began seeing replies to this *much* before I saw this original
post f
In some mail from Gary E. Miller, sie said:
> On Wed, 14 Jul 2004, Darren Reed wrote:
>
> > Too bad the pc Unixes don't have a format command like Sun has had
> > for Solaris/SunOStells the hard drive to 'format' and then tests
> > with a number of test patterns.
>
> You can not really force
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Yo Darren!
On Thu, 15 Jul 2004, Darren Reed wrote:
> Have you ever actually used format on Solaris to format a SCSI disk ?
Yes, many times. The first time within a year or two of when they were
founded. Their HQ was less than a mile from my old of
a man on fire, and he'll
be warm for the rest of his life."
- Original Message -
From: "Todd Towles" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; "'Maarten'" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, J
without having to have vendor
specific command manuals.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Gary E.
Miller
Sent: Wednesday, July 14, 2004 2:08 PM
To: Darren Reed
Cc: [EMAIL PROTECTED]
Subject: Re: [Full-Disclosure] Erasing a hard disk easily
PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Tuesday, July 13, 2004 11:45 PM
To: Maarten
Cc: [EMAIL PROTECTED]
Subject: Re: [Full-Disclosure] Erasing a hard disk easily
On Mon, 12 Jul 2004 23:23:24 +0200, Maarten <[EMAIL PROTECTED]> said:
> * Department-of-defense level (dd as above
On Mon, 12 Jul 2004 23:23:24 +0200, Maarten <[EMAIL PROTECTED]> said:
> * Department-of-defense level (dd as above but lots more times (like 10+))
DOD 5220-22M says:
http://www.irwin.army.mil/ac/Electronic_Publications/DoD_Pubs/DoD%205220-22-M/cp
8.pdf
Pages 14 and 15 note methods "a, b, d, an
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Yo Darren!
On Wed, 14 Jul 2004, Darren Reed wrote:
> Too bad the pc Unixes don't have a format command like Sun has had
> for Solaris/SunOStells the hard drive to 'format' and then tests
> with a number of test patterns.
You can not really force
Darren Reed wrote:
Too bad the pc Unixes don't have a format command like Sun has had
for Solaris/SunOStells the hard drive to 'format' and then tests
with a number of test patterns.
Darren
___
Full-Disclosure - We believe in it.
Charter: http://lists
On Wed, Jul 14, 2004 at 07:04:47PM +1000, Darren Reed wrote:
> Too bad the pc Unixes don't have a format command like Sun has had
> for Solaris/SunOStells the hard drive to 'format' and then tests
> with a number of test patterns.
This can be done on Linux using badblocks(8). It has a read-wr
Too bad the pc Unixes don't have a format command like Sun has had
for Solaris/SunOStells the hard drive to 'format' and then tests
with a number of test patterns.
Darren
___
Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full
On Wednesday 14 July 2004 04:23, Aditya, ALD [ Aditya Lalit Deshmukh ] wrote:
> > I'm guessing that drilling a hole in the case, pouring in some sand and
> > firing up the disk would probably do a good job of rendering the data
> > non-readable too ;>
>
> since the original poster only wanted to c
>
> I'm guessing that drilling a hole in the case, pouring in some sand and firing up
> the disk would probably do a good job of rendering the data non-readable too ;>
since the original poster only wanted to clean up the harddisk for donations so that
no one can read the disks I think the Lin
restore nothin'.
Maarten
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf Of amilabs
> Sent: Tuesday, July 13, 2004 10:51 AM
> To: 'Marek Isalski'; [EMAIL PROTECTED]
> Subject: RE: [Full-Disclosure] Erasing a hard disk easi
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Would you concider donating them to http://www.freetradecampus.com where we
would format and load linux on them to give away to needy students?
On Monday 12 July 2004 02:49 pm, amilabs wrote:
> I have a bunch of old computers I would like to donate.
From: amilabs [mailto:[EMAIL PROTECTED]
> Sent: Monday, July 12, 2004 11:49 AM
> To: [EMAIL PROTECTED]
> Subject: [Full-Disclosure] Erasing a hard disk easily
>
>
> I have a bunch of old computers I would like to donate. Old laptops
> with win 95/98 on them and some old towe
PROTECTED]
Subject: RE: [Full-Disclosure] Erasing a hard disk easily
>That's what I am going to do to the non donated units smash, drill and M80
>them.
>But for the ones I am donating I was wondering if the magnet approach was
>quick enough.
>
>Thanks..
>
>Marek
Any ma
Tuesday, July 13, 2004 10:51 AM
To: 'Marek Isalski'; [EMAIL PROTECTED]
Subject: RE: [Full-Disclosure] Erasing a hard disk easily
That's what I am going to do to the non donated units smash, drill and M80
them.
But for the ones I am donating I was wondering if the m
>That's what I am going to do to the non donated units smash, drill and M80
>them.
>But for the ones I am donating I was wondering if the magnet approach was
>quick enough.
>
>Thanks..
>
>Marek
Any magnetic field strong enough to wipe the data will nerf the addressing tables on
the disks, le
;
> Peter
>
> -Original Message-
> From: Gregh [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, July 13, 2004 8:20 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [Full-Disclosure] Erasing a hard disk easily
>
>
>
> - Original Message -----
> From: "M
nt: Monday, July 12, 2004 11:49 AM
To: [EMAIL PROTECTED]
Subject: [Full-Disclosure] Erasing a hard disk easily
I have a bunch of old computers I would like to donate. Old laptops with win
95/98 on them and some old tower desktops all circa 1995-2k.
I would like to know if I can just use a
Much of the posting on this topic probably is overkill.
If you are a private business, and the files on the hard drives are not top
secret super-sensitive defense information, but are the usual (referring to the
Laptops) salesman, outside representative type of use,) then a delete of the
hard dri
(a) it probably will not be strong
enough, or (b) you'll render the drive unusable.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of amilabs
Sent: Tuesday, July 13, 2004 10:51 AM
To: 'Marek Isalski'; [EMAIL PROTECTED]
Subject: RE: [Full-Dis
On Tue, 13 Jul 2004, Aditya, ALD [ Aditya Lalit Deshmukh ] wrote:
> is the addition of /dev/full sufficent ie /dev/zero alternated by
> /dev/full should do the trick ? ie write zeros and ones on the disk,
/dev/full is full of zeroes...like /dev/zero (opened for reading)
--Pavel Kankovsky aka Pea
Sent: Tuesday, July 13, 2004 9:21 AM
To: [EMAIL PROTECTED]
Subject: RE: [Full-Disclosure] Erasing a hard disk easily
>>> Javier Liendo <[EMAIL PROTECTED]> 13/07/2004 04:59:16 >>>
> i've read that physically removing the disk plates from a modern hard
> disk is
>>> Javier Liendo <[EMAIL PROTECTED]> 13/07/2004 04:59:16 >>>
> i've read that physically removing the disk plates
> from a modern hard disk is more than enough to make
> the information contained there imposible to read.
Our standard procedure for destruction of hard disks is summed up in two wor
>However i have been informed that equipment exists to retrieve data that programs on
>a normal >system cannot. Hence the writing multiple times with all 0 then all 1 then
>all 0 will cycle >>the disk so that it is virtually impossible to determine the
>residual data (please note all >1 means
PROTECTED]
> [mailto:[EMAIL PROTECTED]
> Behalf Of amilabs
> Sent: Monday, July 12, 2004 11:49 AM
> To: [EMAIL PROTECTED]
> Subject: [Full-Disclosure] Erasing a hard disk
> easily
>
>
> I have a bunch of old computers I would like to
> donate. Old laptops with win
&
> An overwrite with alternating zeros and ones will defer almost anbody, and so
> will a random-data overwrite, provided both are repeated at least 3-5 times.
>
> [ the command for dd overwrite with zeros is: dd if=/dev/zero of=/dev/hd? ]
so here are the actual command that you will have to run
ssage-
From: Peter B. Harvey (Information Security)
Sent: Tuesday, July 13, 2004 9:59 AM
To: Gregh
Cc: [EMAIL PROTECTED]
Subject: RE: [Full-Disclosure] Erasing a hard disk easily
Standard data recovery tools will be stopped by writing zeros to the disk. This
includes programs such as OnTrack
PROTECTED]
Subject: [Full-Disclosure] Erasing a hard disk easily
I have a bunch of old computers I would like to donate. Old laptops with win
95/98 on them and some old tower desktops all circa 1995-2k.
I would like to know if I can just use a magnet to completely wipe out the
data for obvious securi
> Since that time I have seen sensationalist TV shows showing how FBI and
CIA
> operatives get stuff out written to a sector BEFORE the sector was
> overwritten and I honestly cannot understand how that could be, if at all
> possible. Am I right in thinking those shows are bull?
simple...
by ana
amilabs wrote:
Do you mean just using a big magnet or is "Big Magnet" the name of a
utility?
Run it through an MRI :-)
Jeff
___
Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full-disclosure-charter.html
bject: [Full-Disclosure] Erasing a hard disk easily
I have a bunch of old computers I would like to donate. Old laptops with win
95/98 on them and some old tower desktops all circa 1995-2k.
I would like to know if I can just use a magnet to completely wipe out the
data for obvious security reaso
On Mon, Jul 12, 2004 at 11:23:24PM +0200, Maarten wrote:
> So, if you want to erase the data but keep the drives operational too, you
> have but one means left: by plain old formatting. Depending on the level of
> security you want, you can opt for:
>
> * DOS/Windows format (beware: this does n
: [Full-Disclosure] Erasing a hard disk easily
- Original Message -
From: "Maarten" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, July 13, 2004 7:23 AM
Subject: Re: [Full-Disclosure] Erasing a hard disk easily
>
> An overwrite with all zeros will
On Tue, 13 Jul 2004, Gregh wrote:
> Since that time I have seen sensationalist TV shows showing how FBI and
> CIA operatives get stuff out written to a sector BEFORE the sector was
> overwritten and I honestly cannot understand how that could be, if at
> all possible. Am I right in thinking those
http://dban.sourceforge.net (boot floppy, works nicely)
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Description: This is a digitally signed message part
"Gregh" <[EMAIL PROTECTED]> writes:
> - Original Message -
> From: "Maarten" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, July 13, 2004 7:23 AM
> Subject: Re: [Full-Disclosure] Erasing a hard disk easily
>
> [ the command for dd overwrite with zeros is: dd if=/dev/zero of=/dev/hd? ]
This is probably perfectly sufficient for what you need. However,
choices are always good:
http://dban.sourceforge.net/
Many algorithms available and comes on a handy boot CD.
tim
__
Gregh wrote:
An overwrite with all zeros will -allegedly- not withstand a serious
data-recovery attempt by professionals, not even when repeated.
I know you stated "allegedly" but this subject interests me. Many years ago,
a good friend of mine who had been in to pirating and
- Original Message -
From: "Maarten" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, July 13, 2004 7:23 AM
Subject: Re: [Full-Disclosure] Erasing a hard disk easily
>
> An overwrite with all zeros will -allegedly- not withstand a seriou
On Monday 12 July 2004 21:27, amilabs wrote:
> I have a bunch of old computers I would like to donate. Old laptops with
> win 95/98 on them and some old tower desktops all circa 1995-2k.
> I would like to know if I can just use a magnet to completely wipe out the
> data for obvious security reason
Do you mean just using a big magnet or is "Big Magnet" the name of a
utility?
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of amilabs
Sent: Monday, July 12, 2004 2:49 PM
To: [EMAIL PROTECTED]
Subject: [Full-Disclosure] Erasing a hard disk e
I have a bunch of old computers I would like to donate. Old laptops with win
95/98 on them and some old tower desktops all circa 1995-2k.
I would like to know if I can just use a magnet to completely wipe out the
data for obvious security reasons. I have heard about the disk erasers like
active
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