lanmap – Network discovery tool that produces nice 2d images | Ubuntu Geek

lanmap – Network discovery tool that produces nice 2d images | Ubuntu Geek: "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

You can see the same screen here

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."