From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id CGuAJaJXz19sPAAA0tVLHw (envelope-from ) for ; Tue, 08 Dec 2020 10:38:26 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id oLRXIaJXz1+yZgAA1q6Kng (envelope-from ) for ; Tue, 08 Dec 2020 10:38:26 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 180D19402C8 for ; Tue, 8 Dec 2020 10:38:25 +0000 (UTC) Received: from localhost ([::1]:52834 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmaO0-0008SM-Kt for larch@yhetil.org; Tue, 08 Dec 2020 05:38:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:60600) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmaNe-0008S4-QI for bug-guix@gnu.org; Tue, 08 Dec 2020 05:38:02 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:45108) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kmaNe-0001PM-JG for bug-guix@gnu.org; Tue, 08 Dec 2020 05:38:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kmaNe-00015Z-Gq for bug-guix@gnu.org; Tue, 08 Dec 2020 05:38:02 -0500 X-Loop: help-debbugs@gnu.org Subject: bug#44808: Default to allowing password authentication on leaves users vulnerable Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Tue, 08 Dec 2020 10:38:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44808 X-GNU-PR-Package: guix X-GNU-PR-Keywords: security To: Mark H Weaver Received: via spool by 44808-submit@debbugs.gnu.org id=B44808.16074238264122 (code B ref 44808); Tue, 08 Dec 2020 10:38:02 +0000 Received: (at 44808) by debbugs.gnu.org; 8 Dec 2020 10:37:06 +0000 Received: from localhost ([127.0.0.1]:56654 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kmaMj-00014Q-Rr for submit@debbugs.gnu.org; Tue, 08 Dec 2020 05:37:06 -0500 Received: from eggs.gnu.org ([209.51.188.92]:38966) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kmaMh-00013v-Hc for 44808@debbugs.gnu.org; Tue, 08 Dec 2020 05:37:04 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:47306) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmaMa-00011O-L4; Tue, 08 Dec 2020 05:36:56 -0500 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=51164 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kmaMW-0002hS-SD; Tue, 08 Dec 2020 05:36:54 -0500 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <878sat3rnn.fsf@dustycloud.org> <874klgybbs.fsf@zancanaro.id.au> <87im9w2gjt.fsf@dustycloud.org> <87im9nmr5u.fsf@gmail.com> <87eek45lpg.fsf@gnu.org> <87k0twkt9c.fsf@dustycloud.org> <87sg8hzvdx.fsf@gnu.org> <87a6upepwb.fsf@web.de> <87sg8hlfyu.fsf@dustycloud.org> <871rg1e6js.fsf@web.de> <87im9ddy0r.fsf@netris.org> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 18 Frimaire an 229 de la =?UTF-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Tue, 08 Dec 2020 11:36:51 +0100 In-Reply-To: <87im9ddy0r.fsf@netris.org> (Mark H. Weaver's message of "Mon, 07 Dec 2020 17:57:45 -0500") Message-ID: <87wnxswpmk.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: maxim.cournoyer@gmail.com, 44808@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -2.80 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Queue-Id: 180D19402C8 X-Spam-Score: -2.80 X-Migadu-Scanner: ns3122888.ip-94-23-21.eu X-TUID: osVkZMVrQm/g Hi, Mark H Weaver skribis: > "Dr. Arne Babenhauserheide" writes: >> To nudge them to secure their system, guix system reconfigure could emit >> a warning that this is a potential security risk that requires setting >> an explicit value (password yes or no) to silence. > > I think this is a good idea. Likewise, in the Guix installer, I would > favor asking the user whether or not to enable password authentication, > after warning them that it is a security risk. > > I agree with Chris that password authentication is a significant > security risk, but I also worry that if we simply disable it, it will > catch some users by surprise and they may be quite unhappy about it. What do you think of the approach in ? The default is unchanged but the warning could be kept say until the next release, at which point we=E2=80=99d change the default. Or are you suggesting keeping the default unchanged? Ludo=E2=80=99.