From owner-freebsd-isp@FreeBSD.ORG Tue Apr 6 07:40:38 2004 Return-Path: Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4017716A4CE; Tue, 6 Apr 2004 07:40:38 -0700 (PDT) Received: from smtp.octapharma.se (smtp.octapharma.se [195.198.168.141]) by mx1.FreeBSD.org (Postfix) with ESMTP id 27D2C43D1F; Tue, 6 Apr 2004 07:40:37 -0700 (PDT) (envelope-from Mikael.Gunnarsson@octapharma.se) Received: from sestosrv004p.ad.octapharma.se ([195.198.13.61] RDNS failed) by smtp.octapharma.se with Microsoft SMTPSVC(5.0.2195.6713); Tue, 6 Apr 2004 16:43:29 +0200 X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Date: Tue, 6 Apr 2004 16:39:58 +0200 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Controlling access at the Ethernet level Thread-Index: AcQb28o2h4cdFWXWQECqOxsIP5z+AwACIa1g From: "Gunnarsson, Mikael" To: "Christopher Rued" X-OriginalArrivalTime: 06 Apr 2004 14:43:29.0593 (UTC) FILETIME=[86C7FA90:01C41BE5] cc: freebsd-isp@freebsd.org cc: freebsd-security@freebsd.org Subject: RE: Controlling access at the Ethernet level X-BeenThere: freebsd-isp@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Internet Services Providers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Apr 2004 14:40:38 -0000 > I just had a simple thought: can you just physically unplug > the net= work > cable for the particular room from your router? You can't > s= teal service > w/out link. Not as nice as a programmatic solution, but= probably as > effective; I guess you'd just have to make sure each cab= le is labeled. But even if it's just a small campus it would require a= lot of communication over the Nike protocol to plug/unplug cables.. It w= ould probably require several full-time persons if it's larger than a few= buildings. I.e. while an effective solution, it's not very practical = for the administrators.. Mikael This email and = any files transmitted with it are confidential and intended solely for th= e use of the individual or entity to whom they are addressed. If you have= received this email in error please notify the system manager. This mess= age contains confidential information and is intended only for the indivi= dual named. If you are not the named addressee you should not disseminate= , distribute or copy this e-mail.