From owner-freebsd-questions@FreeBSD.ORG Thu Sep 9 10:08:21 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 47D6616A4CE for ; Thu, 9 Sep 2004 10:08:21 +0000 (GMT) Received: from outmx016.isp.belgacom.be (outmx016.isp.belgacom.be [195.238.2.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id B8E8643D4C for ; Thu, 9 Sep 2004 10:08:20 +0000 (GMT) (envelope-from geert@lori.mine.nu) Received: from outmx016.isp.belgacom.be (localhost [127.0.0.1]) with ESMTP id i89A8Bce031701 for ; Thu, 9 Sep 2004 12:08:11 +0200 (envelope-from ) Received: from lori.mine.nu (80-16.244.81.adsl.skynet.be [81.244.16.80]) with ESMTP id i89A839s031643; Thu, 9 Sep 2004 12:08:04 +0200 (envelope-from ) Received: by lori.mine.nu (Postfix, from userid 1000) id 5803868D; Thu, 9 Sep 2004 12:08:03 +0200 (CEST) Date: Thu, 9 Sep 2004 12:08:02 +0200 From: Geert Hendrickx To: Ruben de Groot , steveb99 , "'Subhro'" , "'Harald Schmalzbauer'" , freebsd-questions@freebsd.org Message-ID: <20040909100802.GA50804@lori.mine.nu> References: <20040908133320.59CD543D48@mx1.FreeBSD.org> <20040908150048.GA64986@ei.bzerk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040908150048.GA64986@ei.bzerk.org> User-Agent: Mutt/1.4.2i X-GPG-Key: http://lori.mine.nu/gnupgkey.asc X-GPG-Key-ID: 1024D/766C1E92 X-Accept-Language: nl,en Subject: Re: BSD display 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: Thu, 09 Sep 2004 10:08:21 -0000 On Wed, Sep 08, 2004 at 05:00:48PM +0200, Ruben de Groot wrote: > On Wed, Sep 08, 2004 at 06:33:03AM -0700, steveb99 typed: > > Thank you that was my motivation is security. Same as you don't > > display the last name that logged on, it gives a hacker half the info > > they need to crack an account. Displaying the OS helps a hacker know > > which approach cracking into a box. > > Edit /etc/ssh/sshd_config and change the line: > > #VersionAddendum FreeBSD-20030924 > > to something like: > > VersionAddendum GO-AWAY! > > than restart sshd. > > cheers, > Ruben Yes, this seems to work. Notice that this won't help OpenBSD people, as they are the only ones who do not have the "p" (for portable) in their OpenSSH version number. You'd still know they are running OpenBSD. :-) GH