User's Manual

Term Definition
support SHA-256 and SHA-384.
To provide interoperability with standard Wi-Fi software drivers, bSec is
implemented as a shim layer between standard 802.11 Wi-Fi and a
Layer 3 protocol such as IP. A controller configured to advertise a bSec
SSID will advertise an open network, however only bSec frames will be
permitted on the network.
802.1X Standard designed to enhance 802.11 WLAN security. 802.1X provides
an authentication framework, allowing a user to be authenticated by a
central authority. The actual algorithm that is used to determine
whether a user is authentic is left open and multiple algorithms are
possible.
access point (AP) An access point connects users to other users within the network and
also can serve as the point of interconnection between the WLAN and a
fixed wire network. The number of access points a WLAN needs is
determined by the number of users and the size of the network.
access point mapping The act of locating and possibly exploiting connections to WLANs while
driving around a city or elsewhere. To do war driving, you need a
vehicle, a computer (which can be a laptop), a wireless Ethernet card
set to work in promiscuous mode, and some kind of an antenna which
can be mounted on top of or positioned inside the car. Because a WLAN
may have a range that extends beyond an office building, an outside
user may be able to intrude into the network, obtain a free Internet
connection, and possibly gain access to company records and other
resources.
adhoc network A LAN or other small network, especially one with wireless or temporary
plug-in connections, in which some of the network devices are part of
the network only for the duration of a communications session or, in the
case of mobile or portable devices, while in some close proximity to the
rest of the network.
A-MSDU A structure containing multiple MSDUs , transported within a single
(unfragmented) data medium access control (MAC) protocol data unit
(MPDU).
band A specified range of frequencies of electromagnetic radiation.
digital wireless pulse Wireless technology for transmitting large amounts of digital data over
a wide spectrum of frequency bands with very low power for a short
distance. Ultra wideband radio can carry a huge amount of data over a
distance up to 230 feet at very low power (less than 0.5 milliwatts), and
has the ability to carry signals through doors and other obstacles that
tend to reflect signals at more limited bandwidths and a higher power.
evil twin A home-made wireless access point that masquerades as a legitimate
one to gather personal or corporate information without the end-user's
knowledge. It's fairly easy for an attacker to create an evil twin by simply
using a laptop, a wireless card and some readily-available software. The
attacker positions himself in the vicinity of a legitimate Wi-Fi access
point and lets his computer discover what name and radio frequency
the legitimate access point uses. He then sends out his own radio
signal, using the same name.
Dell Networking W-Series ArubaOS 6.4.x | User Guide Acronyms and Terms | 1075