From owner-svn-src-all@freebsd.org Sun Aug 7 17:36:43 2016 Return-Path: Delivered-To: svn-src-all@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 4C5FBBB1AA1 for ; Sun, 7 Aug 2016 17:36:43 +0000 (UTC) (envelope-from mailing-machine@vniz.net) Received: from mail-lf0-f49.google.com (mail-lf0-f49.google.com [209.85.215.49]) (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 CBC4D1195 for ; Sun, 7 Aug 2016 17:36:42 +0000 (UTC) (envelope-from mailing-machine@vniz.net) Received: by mail-lf0-f49.google.com with SMTP id f93so233288449lfi.2 for ; Sun, 07 Aug 2016 10:36:42 -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=6xIvvamnTEjHnNdrktDqOcIzkAzTKtamQtT4bzgw5IE=; b=FedICmZ6uLJTzl1sqo0zuZ85bFv/DgQajckgh7MWMUPvDquZOjPXQ1r/G7uXUCczTc 6+R6ihfb9+COjoXYGSgwlqhBARG/E+pHehLwmXZ345Rr0+atiCs89lSOy7l+aB8ReUNt YrPGI/TP6KscipsBkg6mqLftzi6jnI3WjU8q2nWEmN95t6zO8C56QsEf/k3JOpYd7IKj QuYT+UoyBZobV45f1BxSNZ/1P57X+W6kfCERcfWLgAmL6xGmoVAbjFA7drRaN3E0o3E5 +EYdT/OilqUk4yKRWbRjCXjhFoQrHaKURqMmKhb39mw2wrysm1/jy/p3XX6Ya5TzUQz5 9Peg== X-Gm-Message-State: AEkoout3hW1P88zVBNh9InQS9NAMTvvRKnw3SN7Ef1/DOKHWCg8tC3D7e+WiSsUQw/UMHA== X-Received: by 10.46.5.23 with SMTP id 23mr26111845ljf.64.1470591065736; Sun, 07 Aug 2016 10:31:05 -0700 (PDT) Received: from [192.168.1.2] ([89.169.173.68]) by smtp.gmail.com with ESMTPSA id n128sm4954033lfb.45.2016.08.07.10.31.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 07 Aug 2016 10:31:05 -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> 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: <32b82f9f-7f78-6358-030a-90aed54bb8a8@freebsd.org> Date: Sun, 7 Aug 2016 20:31:03 +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: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Aug 2016 17:36:43 -0000 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