FreeBSD IPSec stack contains backdoors?

Giorgos Keramidas keramida at
Fri Dec 17 09:31:45 UTC 2010

The FreeBSD security officer team has already written an official
response about this.  Please have a look at:


On Fri, 17 Dec 2010 14:28:37 +0600, Victor Lyapunov <fullblaststorm at> wrote:
> ---------- Forwarded message ----------
> From: Victor Lyapunov <fullblaststorm at>
> Date: 2010/12/15
> Subject: FreeBSD IPSec stack contains backdoors?
> To: FreeBSD Mailing List <freebsd-questions at>
> Hi folks,
> Recently OpenBSD developer Gregory Perry disclosed information about
> possible backdoors in OpenBSD IPSec stack (see
> In particular,
> Gregory Perry, who has been working on a OpenBSD -ish implementation
> of IPSec says a number of backdoors have been introduced into the
> code.
> As far as I am aware, FreeBSD contains considerable amount of code
> ported from OpenBSD. The question is: was the FreeBSD's ipsec code
> ported from OpenBSD's implementation? If so, what might be the impact
> of this?
> Thanks,
> Victor Lyapunov.
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