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Topic # 60105 19-Apr-2010 15:31
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Went on a 10km drive or so with the netbook running inSSIDer and scanning as it went.
Observed 344 wireless access points.

I didnt save the data but from just scrolling through it i noticed a few things.

Almost all of them run channel 11 or channel 1 - this is interesting, overall if you if you want the least interference, it seems it'd be a good idea to use channels 3-9!
Of course, check with inSSIDer (or similar) for your area, but i just found this interesting.

Also the majority of them seem to be Thompson branded - ie Telecom customers. The next most popular was DLink, followed by linksys/netgear. Dynalink and Belkin popped up every now and then too.

Most used WPA2-PSK due to telecom sending them pre passworded. Interestingly, there seemed to be a fair few more on WPA-PSK than WEP with perhaps a few more on WPA.
Seems people are listening to the advice of 'WEP is bad'.

Very few were unprotected.

Hardly a scientific study, but i just found this interesting.

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BDFL - Memuneh
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  Reply # 320262 19-Apr-2010 15:47
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Interesting. Regarding the suggestion on changing the channel, you all should read to find out more about this - just chancing to an adjancet channel is not enough.

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  Reply # 320401 19-Apr-2010 19:14
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Yes thats a very good point. Which is why i suggested channels 3-9 because that way it doesnt overlap (as much) with 1 or 11. Choosing 6 would be ideal but theres already someone else using that channel in my area.

inSSIDer has a very useful graph where it shows where overlapping is going on (not as much as that diagram though), i'm running mine on channel 4 which has the least overlap with nearby access points,


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  Reply # 320482 19-Apr-2010 22:49
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When i went war driving through havelock north a couple of years ago, i found that there were twice as many unencrypted AP's in the higher socioeconomic areas, than there were encrypted.

In the lower socioeconomic areas, they were almost all encrypted.

Ray Taylor
Taylor Broadband (rural hawkes bay)

There is no place like localhost
For my general guide to extending your wireless network Click Here

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  Reply # 321855 22-Apr-2010 22:13
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Did another scan. Decided to make some stats from my unscienfitic survey. This was driving through several different areas, from around a university to newer subdivisions to a slightly commercial area. Just some interesting data.

Heres some channels:
120 on one
2 on two
7 on three
3 on four
1 on five
97 on six
17 on 9
3 on 10
154 on 11
Note: there were a few motels etc running multiple transmitters for a
single SSID on channel six. This meant that there could be up to 10
different MAC addresses broadcasting a single SSID, which affects the
results quite drasticly as you can see. inSSIDer creates an invidual listing per mac adress rather than SSID name.

38 Unencrypted.
75 WEP

Almost ALL of the WPA2-PSK encrypted networks were thompson branded. And almost all of them carried their original Thompson SSID (with the random letters/numbers on the end). This is because telecom ships them preconfigured for WPA2-PSK.

33 Unknown Vendor
4 3COM
2 Apple Computer
45 Dynalink
5 Asus
28 Belkin
55 Linksys
85 D-Link
5 Netcomm
19 Netgear
3 TP-Link
120 Thompson

So that was my little unscientific survey.

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