Lanmap Listens to all available traffic on the interface of your choice, figures out who’s talking to who, how much, using which protocols.This information is then put into a nice human-readable 2d image (various formats are available) which can be used to understand a network’s topology.
Install lanmap in Ubuntu
sudo aptitude install lanmap
This will complete the installation
Using lanmap
lanmap syntax
lanmap [-o directory] [-e program] [-T {png,gif,svg}] [-f filtetr] [-D {#,all,raw}] [-r seconds]
[-i {?,*wildcard*,iface}] [-h] [-v] [-V]
lanmap example
lanmap -i eth0 -r 30 -T png -o /tmp/
This will create a lanmap.png file under tmp folder
lanmap available options
-o directory – The directory in which to save the generated images. Default is the current directory.
-e program – The program to use to generate images. Default is twopi.
-T {png,gif,svg} – Output image format. Default is png.
-f filter – Traffic filter, in libpcap syntax.
-D {#,all,raw} – Debug mode; lots of output, use with caution. #: payload bytes to dump (default: 0)
-r seconds – Set the time interval between 2 consecutive graph generations. Default is 60 seconds.
-i {?,*wildcard*,iface} – Interface to use: ?: list all devices and exit *3Com*: use the first NIC with
“3Com” in it
-V – Version info.
-vv – Verbose mode, up to 3 levels (-vv, -vv09:21 29/11/2007v).
-h – Help message.