4 ms·
Channels overlap, but not in the way you think. You need to monitor the correct channel to see the traffic on that channel. The overlap between channels is inte
by swinglock 9y ago
Channels overlap, but not in the way you think. You need to monitor the correct channel to see the traffic on that channel. The overlap between channels is interference and kills Wi-Fi performance compared to sharing channels. 1, 6 and 11 in practice the only channels that should be used, not 13, and so there is where you will find almost every AP.
The others has been manually configured by someone that has no business touching networks, which may in itself make them interesting from a security point of view.
- pmontra 9y agoYou also have to connect to the AP the packets are meant to if you want to decrypt them. Otherwise the source/destination mac addresses and the dBm are almost all you get. Traffic patterns can also be revealing, even if you can't inspect packets. And if you want to get all packets, not only you have to listen to all channels all the time but you also have to be as fast as the fastest AP around. Btw around me now there are APs on the 1, 3, 5, 6, 7, 8, 10, 10, 11, 12 and 13 channels. I think people are desperate for some free channel and spread out as evenly as possible.