Date: Mon, 23 Mar 2009 15:36:52 -0400 From: John Almberg <jalmberg@identry.com> To: Mel Flynn <mel.flynn+fbsd.questions@mailing.thruhere.net> Cc: freebsd-questions@freebsd.org Subject: Re: utility that scans lan for client? Message-ID: <0E7EBD3E-69CA-44B1-9DE1-C6383FF81ED0@identry.com> In-Reply-To: <200903232010.21179.mel.flynn%2Bfbsd.questions@mailing.thruhere.net> References: <E4A3989A-982F-4B9D-971D-25C49A932EB7@identry.com> <200903232010.21179.mel.flynn%2Bfbsd.questions@mailing.thruhere.net>
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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 > > <hosts snipped> > > 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
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