xlim_

xlim_

1. WI-FI

   • acess point
   • Packet type
     • Data
       • are used to carry higher-level data (such as IP packets)
     • management
       • Management packets are probably the most interesting to attackers; they control the management of the network. Control packets get their name from the term “media access control.” They are used for mediating access to the shared medium.
       • Subtype
         • beacons
         • Deauthentication
       • Subtype.2
         • Clear to Send (CTS)
         • Request to Send (RTS)
     • Control
   • Addressing in 802.11 Packets
     • A source address
     • A destination address
     • basic service set ID (BSSID)
       • uniquely identifies the AP and its collection of associated stations, and is often the same MAC address as the wireless interface on the AP.