Ubuntu

How to know other IP's on a Wireless net?

Asked by tashi

Hello,

I'd like to know which command I should use to know a my wireless network which IP are connected? Actually, I can't yet connect on the box itself, but I'd like to know the hostnames of the guys that are connected. Yet, I can check what's happening with jnettop, but not know who is connected!

Thanks to please tell me, if ever you know!
Good bye

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Przemek K. (azrael) said : 		#1

You can use Kismet to monitor the wireless network, but if the network is encrypted with WPA then you won't be able to see the IPs unless you know the key.

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tashi (pierre-mirmont) said : 		#2

Hey men, could you please explain me how to use this kismet?
I did install it, but I dont know how to use it, and I even could not lauch it yet! I've tried typing kismet as root, and it did not work, it told me this:
"FATAL: Please configure at least one packet source. Kismet will not function if no packet sources are defined in kismet.conf or on the command line. Please read the README for more information about configuring Kismet."

Please help me, I'd like to manage to make it work...
But anyway thanks to have given me it's name, yet very useful!

So if anyone knows how kismet works, please thanks to tell me how to configure it ;).

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Przemek K. (azrael) said : 		#3

Please refer to the documentation:
http://kismetwireless.net/documentation.shtml#old
There you have exact instructions how to edit kismet.conf file and how to use Kismet.

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tashi (pierre-mirmont) said : 		#4

Thanks a lot for the link!
I'm going to try to catch what it does mean now...

But does a more simple command exist to check it?
Thanks to tell me, and good bye Przemyslaw!

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Przemek K. (azrael) said : 		#5

On 28 April 2010 21:42, tashi <email address hidden> wrote:
> Question #108591 on Ubuntu changed:
> https://answers.edge.launchpad.net/ubuntu/+question/108591
>
> tashi posted a new comment:
> Thanks a lot for  the link!
> I'm going to try to catch what it does mean now...
>
> But does a more simple command exist to check it?
> Thanks to tell me, and good bye Przemyslaw!

Unfortunately not. Kismet needs to be configured properly before running.
But if you want to just check the IPs of the PCs in the network then
you can use Nmap, but you will need to be connected to that network,
without it it won't work.

--
## Przemysław Kulczycki <<=>> Azrael Nightwalker ##
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# (Co to jest? Zobacz na: http://jabberfaq.info ) #
## www: http://reksio.ftj.agh.edu.pl/~azrael/ #####

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tashi (pierre-mirmont) said : 		#6

Ok, nmap, thanks a million! And yes, it's the network I'm connected on. So with nmap, I just have to type -e <my network>, no? Shall I tell him also to wait for a while to see the others speaking on the network?

Anyway, now I know I shall just read on kisnet and try to use nmap well, thanks my problem is almost solved!

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Przemek K. (azrael) said : 		#7

You can run Nmap this way:
sudo nmap -O --top-ports 50 192.168.1.0/24

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tashi (pierre-mirmont) said : 		#8

Thanks a million for your help, Przemysław!

And I'm going to check "man nmap" this evening anyway.
It seems .... "a bit long" (:D), but it should be quite interesting I think!