From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp1 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id gKCmLvAXzl+aeQAA0tVLHw (envelope-from ) for ; Mon, 07 Dec 2020 11:54:24 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp1 with LMTPS id cGOYKvAXzl+fXgAAbx9fmQ (envelope-from ) for ; Mon, 07 Dec 2020 11:54:24 +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 E453E9403CB for ; Mon, 7 Dec 2020 11:54:23 +0000 (UTC) Received: from localhost ([::1]:41798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmF5x-0005Qm-8S for larch@yhetil.org; Mon, 07 Dec 2020 06:54:21 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45568) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmF4g-0005Pg-Bx for bug-guix@gnu.org; Mon, 07 Dec 2020 06:53:02 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:41176) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kmF4g-0003TW-11 for bug-guix@gnu.org; Mon, 07 Dec 2020 06:53:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kmF4f-0002Ck-Ug for bug-guix@gnu.org; Mon, 07 Dec 2020 06:53:01 -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: Mon, 07 Dec 2020 11:53:01 +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: Christopher Lemmer Webber Received: via spool by 44808-submit@debbugs.gnu.org id=B44808.16073419248402 (code B ref 44808); Mon, 07 Dec 2020 11:53:01 +0000 Received: (at 44808) by debbugs.gnu.org; 7 Dec 2020 11:52:04 +0000 Received: from localhost ([127.0.0.1]:52722 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kmF3j-0002BS-R7 for submit@debbugs.gnu.org; Mon, 07 Dec 2020 06:52:04 -0500 Received: from eggs.gnu.org ([209.51.188.92]:55370) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kmF3i-0002Ax-8O for 44808@debbugs.gnu.org; Mon, 07 Dec 2020 06:52:02 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:52681) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmF3c-0003G4-Ex; Mon, 07 Dec 2020 06:51:56 -0500 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=47790 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kmF3b-0000pn-VW; Mon, 07 Dec 2020 06:51:56 -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> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 17 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: Mon, 07 Dec 2020 12:51:54 +0100 In-Reply-To: <87k0twkt9c.fsf@dustycloud.org> (Christopher Lemmer Webber's message of "Sat, 05 Dec 2020 13:22:23 -0500") Message-ID: <87sg8hzvdx.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 , 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: E453E9403CB X-Spam-Score: -2.80 X-Migadu-Scanner: ns3122888.ip-94-23-21.eu X-TUID: chC8y4FD3DzP Hi Chris, Christopher Lemmer Webber skribis: > Ludovic Court=C3=A8s writes: [...] >> Agreed. There are several ways to do that: >> >> 1. Have the installer emit an =E2=80=98openssh-configuration=E2=80=99 = that explicitly >> disables password authentication. >> >> 2. Change the default value of the relevant field in >> . >> >> #2 is more thorough but also more risky: people could find themselves >> locked out of their server after reconfiguration, though this could be >> mitigated by a news entry. >> >> Thoughts? >> >> Ludo=E2=80=99. > > We could also do a combination of the above, as a transitional plan: > do #1 for now, but try to advertise that in the future, the default will > be changing... please explicitly set password access to #t if you need > this! Then in the *following* release, change the default. > > This seems like a reasonable transition plan, kind of akin to a > deprecation process? Sounds like a plan. I went ahead and pushed aecd2a13cbd8301d0fdeafcacbf69e12cc3f6138 which does this. Thanks, Ludo=E2=80=99.