From owner-freebsd-questions@FreeBSD.ORG Mon Dec 4 22:28:50 2006 Return-Path: X-Original-To: freebsd-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 EACD716A546 for ; Mon, 4 Dec 2006 22:28:50 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from smtpout.mac.com (smtpout.mac.com [17.250.248.186]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7FBD343E16 for ; Mon, 4 Dec 2006 22:25:17 +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/smtpout16/MantshX 4.0) with ESMTP id kB4MPdFb027551; Mon, 4 Dec 2006 14:25:40 -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 kB4MPaV7022405; Mon, 4 Dec 2006 14:25:38 -0800 (PST) In-Reply-To: <200612042118.51904.beni@brinckman.info> References: <200612042118.51904.beni@brinckman.info> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Chuck Swiger Date: Mon, 4 Dec 2006 14:25:35 -0800 To: Beni X-Mailer: Apple Mail (2.752.2) X-Brightmail-Tracker: AAAAAA== X-Brightmail-scanned: yes Cc: freebsd-questions@freebsd.org Subject: Re: finding out what devices got an ip from the dhcp ? 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, 04 Dec 2006 22:28:51 -0000 On Dec 4, 2006, at 12:18 PM, Beni wrote: > Is there an easy and fast way to find out what computers got an ip > from the > dhcp daemon running on my Linksys WAG54G ? > > I know I can log onto the adsl gateway and check it via the > webinterface and > see in realtime how many addresses are distributed to what pc- > names, but > there i have no history and i was hoping there were other ways of > checking > this out. > > I'm not at all paranoid but i would like to check who's on my (wpa- > protected) > wireless lan... Install a port-scanner like nmap, and scan the DHCP-managed subnet. I suppose you could use plain old ping, too, but nmap will identify the OS and hardware manufacturer of the NIC (although I'm not sure it knows how to recognize the MACs of wireless cards)... -- -Chuck