Re: Terrible problem, some men in my net changed their MACs! :/

Linux Advanced Routing and Traffic Control

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> How can I check operating system and netbios name in different way?
> Are more possible differences between computers in network (with the
> same MAC and IP)?

You can nmap the ip's you think is stolen. You can guess the operating
system using the -O parameter to nmap. Other tools give you more data.

> How can I find out, that IP is being doubled?
You cand find out if an IP is being doubled using arping. If you do arping
-b, all the machines using that IP will respond to the broadcast arp, thus
giving you the posibility to immediatly spot a conflict (there will be two
machines responding).

> --
> Thanks for all replies :P
>
> Lenthir
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>


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