From owner-freebsd-questions@FreeBSD.ORG Thu Nov 30 20:02:09 2006 Return-Path: X-Original-To: questions@freebsd.org Delivered-To: freebsd-questions@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 64D5316A8D2; Thu, 30 Nov 2006 20:02:09 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from smtpout.mac.com (smtpout.mac.com [17.250.248.185]) by mx1.FreeBSD.org (Postfix) with ESMTP id 86B3B43E25; Thu, 30 Nov 2006 20:01:29 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from mac.com (smtpin05-en2 [10.13.10.150]) by smtpout.mac.com (Xserve/8.12.11/smtpout15/MantshX 4.0) with ESMTP id kAUK1cwg006735; Thu, 30 Nov 2006 12:01:38 -0800 (PST) Received: from [17.214.13.96] (a17-214-13-96.apple.com [17.214.13.96]) (authenticated bits=0) by mac.com (Xserve/smtpin05/MantshX 4.0) with ESMTP id kAUK1Y71023798; Thu, 30 Nov 2006 12:01:35 -0800 (PST) In-Reply-To: <456F36ED.6020301@freebsd.org> References: <365084.23607.qm@web37213.mail.mud.yahoo.com> <456F36ED.6020301@freebsd.org> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Chuck Swiger Date: Thu, 30 Nov 2006 12:01:33 -0800 To: Colin Percival X-Mailer: Apple Mail (2.752.2) X-Brightmail-Tracker: AAAAAA== X-Brightmail-scanned: yes Cc: questions@freebsd.org, Wasp King Subject: Re: stop a freebsd server from responding to pinging? 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: Thu, 30 Nov 2006 20:02:09 -0000 On Nov 30, 2006, at 11:54 AM, Colin Percival wrote: > Chuck Swiger wrote: >> On Nov 30, 2006, at 10:55 AM, Wasp King wrote: >>> 1. How do I stop others from port scanning a server? >> >> Marcus Ranum suggests using wirecutters on the ethernet cable. >> If the server is internet-reachable, then it can be port-scanned. > > Considering that many systems these days have 802.11 hardware, I'd > also suggest applying wirecutters to the power cable. That's a shocking suggestion. (Literally-- one might do well to unplug the machine first, in which case cutting the power cable becomes superfluous. :-) -- -Chuck