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Learning Network Forensics by Samir Datt

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Capturing and analyzing wireless traffic

Before we go off to dive into the deep waters of the Wi-Fi sea, it is time to invite our good seafaring friend, Wireshark, to the scene. Just as we had used Wireshark to capture traffic on our wired Ethernet networks in the previous chapters, we will now use it to capture the Wi-Fi network traffic.

Sniffing challenges in a Wi-Fi world

Sniffing Wi-Fi traffic can be quite challenging. Wireless networks work on multiple channels and use different frequencies, even in the same location. The challenge is to select a specific static channel. The next challenge is identifying the channel number that we have decided to capture.

Another important factor to consider is the distance between the point of capture and the ...

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