- In the case of WPA, the matter is a bit more complicated. The
iwconfigutility cannot be used with WPA/WPA2 Personal and Enterprise, as it does not support it. We will use a new tool calledWPA_supplicant, for this lab. To useWPA_supplicantfor a network, we will need to create a configuration file as shown in the screenshot. We will name this filewpa-supp.conf:
- We will then invoke the
WPA_supplicantutility with the following options-Dwext -iwlan0 c wpa-supp.confto connect to the WPA network, we just cracked as shown. Once the connection is successful,WPA_supplicantwill give you a messageConnection to XXXX completed:
- For both the WEP and WPA networks, once you are connected, you want to use
Dhcpclient3to grab a DHCP address from the network as shown next:
The default Wi-Fi utility iwconfig cannot be used to connect to WPA/WPA2 networks. The de-facto tool for this is WPA_Supplicant. In this lab, we saw how we can use it to connect to WPA network.
- What packets are used for Packet Replay?
a. De-authentication packet
b. Associated packet
c. Encrypted ARP packet
d. None of the above
- WEP can be cracked:
a. Always
b. Only when a weak key/passphrase is chosen
c. Under special circumstances only
d. Only if the access point runs old software
- WPA can be cracked:
a. Always
b. Only if a weak key/passphrase is chosen
c. If the client contains old firmware
d. Even with no client connected to the wireless network
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