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Date:      Fri, 23 Oct 2015 13:45:25 -0400
From:      "Michael B. Eichorn" <ike@michaeleichorn.com>
To:        "O. Hartmann" <ohartman@zedat.fu-berlin.de>, freebsd-questions <freebsd-questions@freebsd.org>
Subject:   Re: replace uname -a informational string
Message-ID:  <1445622325.1169.29.camel@michaeleichorn.com>
In-Reply-To: <20151023090805.5484ce9b@freyja.zeit4.iv.bundesimmobilien.de>
References:  <20151023090805.5484ce9b@freyja.zeit4.iv.bundesimmobilien.de>

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On Fri, 2015-10-23 at 09:08 +0200, O. Hartmann wrote:
> For security purposes, I need to replace the informations given by
> "uname -a"
> to hode the kernel build system, name et cetera.

I presume you intendend 'hide' here?

If you want to scrub a binaries of _all_ information about the building
system this is a problem Debian is actively working on called
'reproducible builds' but is not possible today.

https://reproducible.debian.net

If you want to hide the hostname, why not just build with a different
hostname set?

>=20
> Is there a way to achieve this via setting some knobs in the process of
> a
> buildkernel?
>=20
> Please CC me, I'm not subscriber of the list.
>=20
> Kind regards and thanks in advance,
>=20
> O. Hartmann

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