Date: Sat, 24 Oct 2015 08:09:36 +0800 From: Erich Dollansky <erichsfreebsdlist@alogt.com> To: "O. Hartmann" <ohartman@zedat.fu-berlin.de> Cc: "Michael B. Eichorn" <ike@michaeleichorn.com>, freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: replace uname -a informational string Message-ID: <20151024080936.0ff26783@X220.alogt.com> In-Reply-To: <20151023225424.49220466.ohartman@zedat.fu-berlin.de> References: <20151023090805.5484ce9b@freyja.zeit4.iv.bundesimmobilien.de> <1445622325.1169.29.camel@michaeleichorn.com> <20151023225424.49220466.ohartman@zedat.fu-berlin.de>
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Hi, On Fri, 23 Oct 2015 22:54:24 +0200 "O. Hartmann" <ohartman@zedat.fu-berlin.de> wrote: > Am Fri, 23 Oct 2015 13:45:25 -0400 > "Michael B. Eichorn" <ike@michaeleichorn.com> schrieb: > > > First of all: Thank you very much for your concerns and answers. > > > 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? > > Because it is not only the hostname, uname reveals the target host, > date and OS version. > > In our case, the image ist built on a dedicated host for a security > appliabce based on NanoBSD and I'd like to hide the OS type, the OS > name, the build box' name and the build date. > why not replace uname at the source level then? Erich
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