Before we start sniffing wireless packets, we need to look at the different modes in which a wireless card can operate as it pertains to packet capture.
Four wireless NIC modes are available:
|Managed mode This mode is used when your wireless client connects directly to a wireless access point (WAP). In these cases, the driver associated with the wireless NIC relies on the WAP to manage the entire communication process.|
|Ad hoc mode This mode is used when you have a wireless network setup in which devices connect directly to each other. In this mode, two wireless clients that want to communicate with each other share the responsibilities that a WAP would normally handle.|
|Master mode Some higher-end wireless NICs also support master ...|