From owner-freebsd-questions@FreeBSD.ORG Fri Jan 8 13:12:30 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F37021065670 for ; Fri, 8 Jan 2010 13:12:30 +0000 (UTC) (envelope-from wmoran@potentialtech.com) Received: from mail.potentialtech.com (internet.potentialtech.com [66.167.251.6]) by mx1.freebsd.org (Postfix) with ESMTP id C5D918FC0C for ; Fri, 8 Jan 2010 13:12:30 +0000 (UTC) Received: from localhost (pr40.pitbpa0.pub.collaborativefusion.com [206.210.89.202]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.potentialtech.com (Postfix) with ESMTPSA id 90866F7419; Fri, 8 Jan 2010 08:12:29 -0500 (EST) Date: Fri, 8 Jan 2010 08:12:28 -0500 From: Bill Moran To: freebsd-questions@freebsd.org Message-Id: <20100108081228.791ffcbf.wmoran@potentialtech.com> In-Reply-To: References: Organization: Bill Moran X-Mailer: Sylpheed 2.7.1 (GTK+ 2.18.5; i386-portbld-freebsd7.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Carmel Subject: Re: Accessing Computer X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Jan 2010 13:12:31 -0000 In response to Carmel : > Assume three computers. > > Computer 1 runs Windows with Putty installed > Computer 2 & 3 run FreeBSD > > Computer 1 runs Putty and creates a key that is installed on computer 2. > Computer 2 has a key that is installed on computer 3. > > If someone were to use computer 1 via Putty to access computer 2, would > they then be able to access computer 3? If so, how could I prevent it > from happening? You could prevent ssh connections from 2 -> 3 on port 22 via firewall. -- Bill Moran http://www.potentialtech.com http://people.collaborativefusion.com/~wmoran/