From owner-freebsd-questions@FreeBSD.ORG Sat Jul 24 04:52:35 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 54D9C16A4CE for ; Sat, 24 Jul 2004 04:52:35 +0000 (GMT) Received: from priv-edtnes51.telusplanet.net (outbound04.telus.net [199.185.220.223]) by mx1.FreeBSD.org (Postfix) with ESMTP id D84EE43D46 for ; Sat, 24 Jul 2004 04:52:34 +0000 (GMT) (envelope-from aaron@daltons.ca) Received: from d137-186-216-226.abhsia.telus.net ([137.186.216.226]) by priv-edtnes51.telusplanet.netESMTP <20040724045232.BJKD9336.priv-edtnes51.telusplanet.net@d137-186-216-226.abhsia.telus.net>; Fri, 23 Jul 2004 22:52:32 -0600 From: Aaron Dalton To: Lowell Gilbert Date: Fri, 23 Jul 2004 22:53:38 -0600 User-Agent: KMail/1.6.2 References: <20040723120101.C832C16A4D9@hub.freebsd.org> <200407231036.54467.aaron@daltons.ca> <441xj2gqgk.fsf@be-well.ilk.org> In-Reply-To: <441xj2gqgk.fsf@be-well.ilk.org> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200407232253.38916.aaron@daltons.ca> cc: freebsd-questions@freebsd.org Subject: Re: Hiding SSH version string X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Jul 2004 04:52:35 -0000 On July 23, 2004 07:10 pm, Lowell Gilbert wrote: > I don't recommend anyone actually do this, because > > a) it serves no purpose (it certainly doesn't make you any more > secure, or even discourage any attackers) > > b) The version string is a part of the protocol itself, required by > the protocol specification > > c) you will be making life harder for auditors, system > administrators, and so > > If you're really determined, though, the strings are defined in > /usr/src/crypto/openssh/version.h Thank you so much for the information! I didn't realize it was part of the protocol. It was something I had heard about but didn't understand. Thank you again for your help! -- Aaron Dalton http://aaron.daltons.ca