From: Christophe Raffalli <Christophe.Raffalli@univ-savoie.fr>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] ocaml-tutorial.org is down
Date: Mon, 20 Dec 2010 09:00:53 +0100 [thread overview]
Message-ID: <4D0F0D35.4060708@univ-savoie.fr> (raw)
In-Reply-To: <4D0EBD59.6000703@grant-olson.net>
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Le 20/12/10 03:20, Grant Olson a écrit :
> On 12/19/10 8:03 PM, oliver@first.in-berlin.de wrote:
>> Why not just updateing the machine, or if no updates are available, just eremove exim?!
>>
> If a machine has been compromised, or even if you suspect it has, you
> can't trust anything about it anymore.
>
> Someone could have used the exim exploit to install a rootkit, a version
> of sshd with a backdoor, etc. And sure, maybe you can take the sha of
> sshd and compare it to a known source, but maybe sha256 has been
> replaced with a version that tricks you.
>
> So you patch exim, think you're good, and they come back to your machine
> six months later.
>
> You have to rebuild from scratch.
Including a BIOS update ...
Cheers,
Christophe
--
Christophe Raffalli
Universite de Savoie
Batiment Le Chablais, bureau 21
73376 Le Bourget-du-Lac Cedex
tel: (33) 4 79 75 81 03
fax: (33) 4 79 75 87 42
mail: Christophe.Raffalli@univ-savoie.fr
www: http://www.lama.univ-savoie.fr/~RAFFALLI
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next prev parent reply other threads:[~2010-12-20 8:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-19 19:50 Erik de Castro Lopo
2010-12-19 23:47 ` [Caml-list] " Richard W.M. Jones
2010-12-20 1:03 ` oliver
2010-12-20 2:20 ` Grant Olson
2010-12-20 8:00 ` Christophe Raffalli [this message]
2010-12-20 8:54 ` Richard W.M. Jones
2011-01-14 3:22 ` Erik de Castro Lopo
2011-01-14 7:16 ` [Caml-list] " Sylvain Le Gall
2010-12-23 16:30 ` [Caml-list] [was: ocaml-tutorial.org is down] mirror website Sylvain Le Gall
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