From owner-svn-src-head@freebsd.org Sun Aug 7 17:33:59 2016 Return-Path: Delivered-To: svn-src-head@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 E42D1BB1939 for ; Sun, 7 Aug 2016 17:33:59 +0000 (UTC) (envelope-from mailing-machine@vniz.net) Received: from mail-lf0-f46.google.com (mail-lf0-f46.google.com [209.85.215.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6F4AA1C6B for ; Sun, 7 Aug 2016 17:33:59 +0000 (UTC) (envelope-from mailing-machine@vniz.net) Received: by mail-lf0-f46.google.com with SMTP id b199so233610534lfe.0 for ; Sun, 07 Aug 2016 10:33:59 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=vd8wMVs4NuFwDqDhT5BGbyx2o1CLgrdDLcG0s0sJI+A=; b=GHfmvJdlAMoG7wmQA5geBOphcECtNoS+ZUo2pUB3zDLRRmrIgivoD2Kgi3xFKmoG1g sHAb9EAvKXMEYeFkoK81FRkPfksXUek1BQBen2iDY6q3I3BEv5idn4GXIlgrYDrgI7/q Gjnl378ziBi8XSG5tBGFKZDjlZ/ypsnppNlwZQJaNX1YOmLSMNWiEVZLKs3ZXENyo43d knOa9Q3fYZKN3WLD7iS0fWv3FrvkUCtjY6h07iDPWqnOIl2zmrCBXqhjRQNNupS6HRjT mkxdwk24zRvNogIH9SzNZOVXkFEqBz/pqyMkSdLZtck6tmbCyXv/LhMRFVJl0Fuy61L2 uykw== X-Gm-Message-State: AEkoouvOZD+3e56R1DoSnC2QHW2wT67dVeMVZ6/fmIZkT0Yul+R+DXFq0k7Ze1wXWS6rvw== X-Received: by 10.25.158.140 with SMTP id h134mr22503750lfe.0.1470591236796; Sun, 07 Aug 2016 10:33:56 -0700 (PDT) Received: from [192.168.1.2] ([89.169.173.68]) by smtp.gmail.com with ESMTPSA id b71sm4975542lfb.42.2016.08.07.10.33.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 07 Aug 2016 10:33:56 -0700 (PDT) Subject: Re: svn commit: r303716 - head/crypto/openssh To: Bruce Simpson , Warner Losh References: <201608031608.u73G8Mjq055909@repo.freebsd.org> <9a01870a-d99d-13a2-54bd-01d32616263c@fastmail.net> <30e655d1-1df7-5e2a-fccb-269e3cea4684@freebsd.org> <20160807125227.GC22212@zxy.spb.ru> <7237f5e6-fd65-a7e5-7751-4ed1c464b39a@freebsd.org> <4D28752C-0584-4294-9250-FA88B0C6E805@bsdimp.com> <32b82f9f-7f78-6358-030a-90aed54bb8a8@freebsd.org> Cc: Slawa Olhovchenkov , Oliver Pinter , svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, =?UTF-8?Q?Dag-Erling_Sm=c3=b8rgrav?= From: Andrey Chernov Message-ID: Date: Sun, 7 Aug 2016 20:33:55 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <32b82f9f-7f78-6358-030a-90aed54bb8a8@freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Aug 2016 17:34:00 -0000 On 07.08.2016 20:31, Andrey Chernov wrote: > On 07.08.2016 19:14, Bruce Simpson wrote: >> On 07/08/16 15:40, Warner Losh wrote: >>> That’s a cop-out answer. We, as a project, need to articulate to our >>> users, whom we care about, why this rather obnoxious hit to usability >>> was taken. The answer must be more complete than “We just disabled >>> it because upstream disabled it for reasons we’re too lazy to explain >>> or document how to work around" >> >> Alcatel-Lucent OmniSwitch 6800 login broken (pfSense 2.3.2 which >> accepted the upstream change, workaround no-go) >> >> [2.3.2-RELEASE][root@gw.lab]/root: ssh -l admin >> -oKexAlgorithms=+diffie-hellman-group1-sha1 192.168.1.XXX >> Fssh_ssh_dispatch_run_fatal: Connection to 192.168.1.XXX port 22: DH GEX >> group out of range >> > > DH prime size must be at least 2048, openssh now refuse lower values. > Commonly used DH size 1024 can be easily broken. See https://weakdh.org >