From owner-freebsd-questions@FreeBSD.ORG Sat Jan 17 15:03:15 2009 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 EC0631065670 for ; Sat, 17 Jan 2009 15:03:15 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from mail5.sea5.speakeasy.net (mail5.sea5.speakeasy.net [69.17.117.7]) by mx1.freebsd.org (Postfix) with ESMTP id C56448FC0A for ; Sat, 17 Jan 2009 15:03:15 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: (qmail 9133 invoked from network); 17 Jan 2009 15:02:54 -0000 Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org) ([66.92.78.145]) (envelope-sender ) by mail5.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 17 Jan 2009 15:02:54 -0000 Received: by be-well.ilk.org (Postfix, from userid 1147) id 716B450824; Sat, 17 Jan 2009 10:02:52 -0500 (EST) To: John Conover References: <20090115082522.28969.qmail@rahul.net> From: Lowell Gilbert Date: Sat, 17 Jan 2009 10:02:52 -0500 In-Reply-To: <20090115082522.28969.qmail@rahul.net> (John Conover's message of "Thu\, 15 Jan 2009 00\:25\:22 -0800") Message-ID: <443afidlgj.fsf@be-well.ilk.org> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-questions@freebsd.org Subject: Re: Logs from wireless routers disclosing L2/MAC info? 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: Sat, 17 Jan 2009 15:03:16 -0000 conover@rahul.net (John Conover) writes: > Some of the popular wireless routers have an option to email > access/security logs to an account on the Internet. When enabled, the > logs contain the last 24 bits of the MAC address of the router's cable > modem port, (the rest could be guessed since the brand name is > included in the email,) and, the MAC address of the cable modem's > router port. > > Was I potty trained wrong, or is this risky. It could be, but isn't necessarily. Depends on other details of how the network is set up. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/