Re: Locate wifi client

[Tracy Reed <treed () ultraviolet org>]

On Wed, Oct 09, 2013 at 09:32:36AM PDT, Robert Larsen spake thusly:
> Anybody knows about hardware/software used for locating a wifi client?
> Somebody is downloading torrents at full speed on our network and nobody
> will admit it (or simply stop), and we really don't want to restrict
> network usage since there are many legal stuff on torrent sites too so
> is there a way of finding a client with a specific mac address?

How many people can legitimately your wifi? Do you run an open network? If so
it could be someone who doesn't even belong to your organization.

Can you see the IP address of the person doing the downloading? Do you have a
DHCP server which can tell you which MAC that was assigned to? Even some of the
cheap WAPs will show the dhcp mac/ip table.

Do you have a list of the MAC addresses assigned to everyone? If you don't,
Change the wifi password. Give the new password out only after you have
recorded each person's MAC address. Then you should be able to track down
offenders.

-- 
Tracy Reed, RHCE     Digital signature attached for your safety.
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