wireless problem

i have a linksys router, and i am using it with wireless connection to my laptop, but sum1 is using it also, and i don't want that, how can i block the ppl that is using it?

thx in advance.

EDIT:problem solved ty
Comments
10
put password on it or go kill your neighbour
my neighbour is sum1 that no one wanna mess with
Parent
hmm, can u explain me better how to do it?
enable WPA encryption in the router.
the next time you connect with your notebook, the router will ask for the passphrase.
Parent
First login in your router and then put a password on your wireless router!
This is horribly easy to crack, though...
Parent
MAC whitelist-filtering will keep people out most of the time. But if you want security, you shouldn't be using wireless.
should i use 30m of cable in my house? must use wireless mate
Parent
I'm using wireless, too. My point was that WPA/WEP is pretty much completely pointless.
Parent
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