access point

June 16, 2009 at 01:31:39
Specs: Windows XP
1) how can i get the ip address for access point that i currently connected..? assume that i didn't know type of router/switch that they are using..

2) It is possible to count user that currently connected to the access point..?

please help me..


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#1
June 16, 2009 at 02:29:33
Connect wire from outlet of access point to your pc and configure it by type its default ip in your browser.Usually it has installation CD and guide.Yes it is possible to detect users by their mac address.

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#2
June 16, 2009 at 05:31:04
what if i connected with public access point, for example at the restaurant.. can i get the ip addres for that access point..?
then, how to count user that connected to that access point.. it is possible?

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#3
June 16, 2009 at 07:19:16
Why are you wanting public access point?Type http://192.168.1.1 in your browser.

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#4
June 16, 2009 at 08:54:39
it is for my assignment.. the task is to count how many user are currently connected to any access point at my college.. but there are several access point at my college.. i not very good at this network things.. so please help me..

p/s: where are you from?


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#5
June 16, 2009 at 09:55:14
You could connect to the access point, then sniff packets and count all MAC addresses on the network. I think that's more along the lines of what your assignment is asking for.

http://support.microsoft.com/default.aspx?scid=kb;en-us;555375
How to ask a question.


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#6
June 16, 2009 at 10:07:02
Q1. you would note the ip address of your gateway [not always 192.168.1.1] which you can get from the results of an ipconfig

Q2. you would need to logon to the access point [would need to know admin acct and password] and the access point would have a gui that shows connected users.

You would NEVER be able to access a public AP because no one would be so stupid to leave AP access open.


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#7
June 16, 2009 at 10:24:41
Pure speculation here, but he says there are some access points at his college so maybe those are either public or he already has access to them. Either way, it shouldn't be necessary to access the router/AP's configuration to count machines connected to the AP once he's connected to it.

Of course, it would help a lot if the OP showed up and provided some more information. Oh well.

http://support.microsoft.com/default.aspx?scid=kb;en-us;555375
How to ask a question.


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#8
June 16, 2009 at 11:25:06
"it shouldn't be necessary to access the router/AP's configuration to count machines connected to the AP once he's connected to it. "

How is he going to tell who is connected to the AP then?


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#9
June 16, 2009 at 11:30:25
By sniffing traffic on the network and enumerating the source MAC addresses. Something like this:

1. connect his own computer to the AP
2. sniff all traffic in promiscuous mode
3. make a list of all source MAC addresses

that's pretty much it. That's more of a list of computers communicating over the AP than it is a list of computers "connected to" the AP, but over time the two lists should be identical.

http://support.microsoft.com/default.aspx?scid=kb;en-us;555375
How to ask a question.


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#10
June 16, 2009 at 21:57:11
i also try sniffing packet on that network.. but at first, i didn't know how can i get the number of user only by sniffing.. thats why i didn't told.. then lowhanginghoney said by count all source MAC address, that look like an answer for me, thanks to you..

but i have 1 more problem.. i am using wireshark for sniffing, but every time i sniff in promiscuous mode, no packet was captured..

i want to capture packet through wireless.. can u give any suitable sniffing software for me.. thank you to all of you for helping me..

i am using windows xp..
sorry for my bad English..


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#11
June 17, 2009 at 07:57:08
http://www.netstumbler.com/

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#12
June 17, 2009 at 08:39:37
Netstumbler isn't really appropriate for this. It can locate and analyze wireless access points, but it can't do packet sniffing and it won't tell you which computers are connected to the AP.

Prop, wireshark is a great tool. Start a new thread about Wireshark in the networking forum. Sounds like you need help getting Wireshark working, and more people will see the new thread.

http://support.microsoft.com/default.aspx?scid=kb;en-us;555375
How to ask a question.


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