From owner-freebsd-security@FreeBSD.ORG Sun Jun 24 16:34:09 2012 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A773D1065679 for ; Sun, 24 Jun 2012 16:34:09 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from mx1.sbone.de (mx1.sbone.de [IPv6:2a01:4f8:130:3ffc::401:25]) by mx1.freebsd.org (Postfix) with ESMTP id 2FD758FC12 for ; Sun, 24 Jun 2012 16:34:09 +0000 (UTC) Received: from mail.sbone.de (mail.sbone.de [IPv6:fde9:577b:c1a9:31::2013:587]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.sbone.de (Postfix) with ESMTPS id 280C925D39FD; Sun, 24 Jun 2012 16:34:08 +0000 (UTC) Received: from content-filter.sbone.de (content-filter.sbone.de [IPv6:fde9:577b:c1a9:31::2013:2742]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPS id 4302EBE84EF; Sun, 24 Jun 2012 16:34:07 +0000 (UTC) X-Virus-Scanned: amavisd-new at sbone.de Received: from mail.sbone.de ([IPv6:fde9:577b:c1a9:31::2013:587]) by content-filter.sbone.de (content-filter.sbone.de [fde9:577b:c1a9:31::2013:2742]) (amavisd-new, port 10024) with ESMTP id wQcH-0wG4_A5; Sun, 24 Jun 2012 16:34:06 +0000 (UTC) Received: from orange-en1.sbone.de (orange-en1.sbone.de [IPv6:fde9:577b:c1a9:31:cabc:c8ff:fecf:e8e3]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPSA id D62A9BE84ED; Sun, 24 Jun 2012 16:34:05 +0000 (UTC) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: "Bjoern A. Zeeb" In-Reply-To: Date: Sun, 24 Jun 2012 16:34:04 +0000 Content-Transfer-Encoding: 7bit Message-Id: <4828EFCC-E60A-4961-9228-4A1ADAD28F73@lists.zabbadoz.net> References: To: Robert Simmons X-Mailer: Apple Mail (2.1084) Cc: freebsd-security@freebsd.org Subject: Re: Add rc.conf variables to control host key length X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Jun 2012 16:34:09 -0000 On 24. Jun 2012, at 16:07 , Robert Simmons wrote: > Here is a set of patches that add functionality to rc.conf allowing > users an easy way to control the length of the host keys used with ssh > (specifically RSA and ECDSA used with protocol version 2). Created for, not used with -- right? The used with is controlled in sshd_config and if the key is not there but it's enabled in sshd_config you'll get a warning on boot which is very annoying. > I would like to also discuss the merits of changing FreeBSD's default > behavior to using 4096 bit RSA keys and 521 bit ECDSA keys. > > I have refrained from changing FreeBSD's default behavior in these > patches and stuck to just adding configurability. Do we differ from what the OpenSSH defaults are? /bz -- Bjoern A. Zeeb You have to have visions! It does not matter how good you are. It matters what good you do!