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登入How to check if someones using ur wireless connection?
29 post(s)
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Your nick suits you.
Back to topic, here's how to check:
1. Log in to your router. Don't know address, either refer to manual or do the following:
a. Start > Run, type in cmd and press Enter
b. Type in ipconfig /all and press Enter
c. You will see a Default Gateway address. Type in this address into your web browser (most common is Internet Explorer)
d. Log in when prompted
2. Browse around the settings, you will find one section called DHCP client list or something similar
3. Here's mine:
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near my house got i unsecured router. i managed to tap, access the router settings and delete my own mac address, at the same time i looked at the names of the owner's computers before i disconnected.
then i did a yellow pages search and found their address......
that said i didnt do any harm to them nor leech from their router...
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TS, if you confirm that there's indeed someone tapping your connection, you can always take revenge using Ferret and Hamster.
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Originally posted by abao:near my house got i unsecured router. i managed to tap, access the router settings and delete my own mac address, at the same time i looked at the names of the owner's computers before i disconnected.
then i did a yellow pages search and found their address......
that said i didnt do any harm to them nor leech from their router...But thats still illegal.
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Originally posted by LatecomerX:TS, if you confirm that there's indeed someone tapping your connection, you can always take revenge using Ferret and Hamster.
Evil lah you.
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Originally posted by ndmmxiaomayi:It can be broken.
The probability of that happening is very low.
If he's worried about people tapping into his connection, most likely it's open.
If it is encrypted, even with just WEP, you're pretty safe. The chance that someone with the skill and desire to crack the encryption, would come along, is low.
If you really care about wireless security. use WPA2 with AES. No one can crack that in any reasonable amount of time.
It makes more sense to enable encryption than to constantly check if there are unauthorized users on your network.
Anyway, I suspect the problem is more likely to be with the ISP or wireless interference. I've been experiencing very slow speeds on Starhub.
To check for interference, check what's the signal to noise ration of your wireless connection. If you wireless client doesn't give you this info, download netstumbler and use that.Edited by Phaze 16 Nov `07, 11:42AM
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Originally posted by Phaze:The probability of that happening is very low.
If he's worried about people tapping into his connection, most likely it's open.
If it is encrypted, even with just WEP, you're pretty safe. The chance that someone with the skill and desire to crack the encryption, would come along, is low.
If you really care about wireless security. use WPA2 with AES. No one can crack that in any reasonable amount of time.
It makes more sense to enable encryption than to constantly check if there are unauthorized users on your network.
Anyway, I suspect the problem is more likely to be with the ISP or wireless interference. I've been experiencing very slow speeds on Starhub.
To check for interference, check what's the signal to noise ration of your wireless connection. If you wireless client doesn't give you this info, download netstumbler and use that.WEP is reasonably easy to crack even for script kiddies.
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The six dumbest ways to secure a wireless LAN by George Ou
http://blogs.zdnet.com/Ou/index.php?p=43
The only place where I disagree with him slightly is the part where he says WEP is useless. Although WEP is relatively easy to crack, I still think for the most part, nobody would bother to crack the typical home user.
The only reason to use WEP is if your wireless client doesn't support WPA.
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Originally posted by Fire Star:Talking about using linux for cain and abel and airsnort, that would be a different matter! Gd luck.
There's no Cain and Abel for Linux as far as I'm aware of. Linux has other tools to crack wireless networks, which you would find better than Windows.
As a start, download the Backtrack CD and play around with it.
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Originally posted by ndmmxiaomayi:WEP is reasonably easy to crack even for script kiddies.
Yes but why would anyone use WEP? If you are going to enable encryption use WPA.
I'm just saying that WEP is better than leaving your wireless open or using mac-filtering. But using WEP when you have WPA is like choosing a lousy cheap lock when you have a big strong lock available to you.
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in that case, yah...cry. 