From owner-freebsd-questions@freebsd.org Fri Oct 23 17:43:03 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E32BCA1D6F2 for ; Fri, 23 Oct 2015 17:43:02 +0000 (UTC) (envelope-from ike@michaeleichorn.com) Received: from mx1.eichornenterprises.com (mx1.eichornenterprises.com [104.236.13.122]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mx1.eichornenterprises.com", Issuer "StartCom Class 1 Primary Intermediate Server CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id A34DEE34 for ; Fri, 23 Oct 2015 17:43:02 +0000 (UTC) (envelope-from ike@michaeleichorn.com) Received: from mail.eichornenterprises.com (cpe-75-179-47-202.neo.res.rr.com [75.179.47.202]) by mx1.eichornenterprises.com (OpenSMTPD) with ESMTP id 1e772afc; Fri, 23 Oct 2015 13:42:52 -0400 (EDT) Received: by mail.eichornenterprises.com (OpenSMTPD) with ESMTPSA id 6f1509a5; TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO; Fri, 23 Oct 2015 13:42:51 -0400 (EDT) Message-ID: <1445622325.1169.29.camel@michaeleichorn.com> Subject: Re: replace uname -a informational string From: "Michael B. Eichorn" To: "O. Hartmann" , freebsd-questions Date: Fri, 23 Oct 2015 13:45:25 -0400 In-Reply-To: <20151023090805.5484ce9b@freyja.zeit4.iv.bundesimmobilien.de> References: <20151023090805.5484ce9b@freyja.zeit4.iv.bundesimmobilien.de> Content-Type: multipart/signed; micalg="sha-512"; protocol="application/x-pkcs7-signature"; boundary="=-6KUt5cLyufS2Gb5vDwad" X-Mailer: Evolution 3.16.5 Mime-Version: 1.0 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Oct 2015 17:43:03 -0000 --=-6KUt5cLyufS2Gb5vDwad Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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. 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