From owner-freebsd-questions@FreeBSD.ORG Mon Mar 23 19:36:54 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 73EAF106566C for ; Mon, 23 Mar 2009 19:36:54 +0000 (UTC) (envelope-from jalmberg@identry.com) Received: from mx1.identry.com (on.identry.com [66.111.0.194]) by mx1.freebsd.org (Postfix) with ESMTP id 0445C8FC19 for ; Mon, 23 Mar 2009 19:36:53 +0000 (UTC) (envelope-from jalmberg@identry.com) Received: (qmail 95632 invoked by uid 89); 23 Mar 2009 19:37:15 -0000 Received: from unknown (HELO ?192.168.1.110?) (jalmberg@75.127.142.66) by mx1.identry.com with ESMTPA; 23 Mar 2009 19:37:15 -0000 In-Reply-To: <200903232010.21179.mel.flynn+fbsd.questions@mailing.thruhere.net> References: <200903232010.21179.mel.flynn+fbsd.questions@mailing.thruhere.net> Mime-Version: 1.0 (Apple Message framework v753.1) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <0E7EBD3E-69CA-44B1-9DE1-C6383FF81ED0@identry.com> Content-Transfer-Encoding: 7bit From: John Almberg Date: Mon, 23 Mar 2009 15:36:52 -0400 To: Mel Flynn X-Mailer: Apple Mail (2.753.1) Cc: freebsd-questions@freebsd.org Subject: Re: utility that scans lan for client? 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: Mon, 23 Mar 2009 19:36:55 -0000 On Mar 23, 2009, at 3:10 PM, Mel Flynn wrote: > On Monday 23 March 2009 19:59:36 John Almberg wrote: >> I've tried googling for this, but I guess I don't know the name of a >> utility such as this... >> >> What I'm looking for is a utility that can scan a LAN for attached >> clients... i.e., computers that are attached to the LAN. >> >> I have one box (an appliance that I have no access to), that is on >> the LAN but I don't know what IP address it's using. I'd like to >> complete my network map, and that is the one empty box on my chart. > > security/nmap > > If the box pings, you can simply scan your LAN like: > $ nmap -sP 192.168.2.0/24 > > Starting Nmap 4.76 ( http://nmap.org ) at 2009-03-23 11:05 AKDT > > > > Nmap done: 256 IP addresses (18 hosts up) scanned in 1.11 seconds > > There's tons of options available (including OS fingerprinting), > most of which > will require root to run as it needs on-the-fly changes to IP packets. That did it. Beautiful. Thanks. -- John