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x Network key (security key)
An encryption key used to limit the devices
with which communication can occur. It is
used to provide higher security for devices
communicating via a wireless LAN router/
access point.
x Proxy
A program or a server that provides Internet
access to computers within a firewall or
quicker downloading of web pages.
x Router
A device that bridges networks, converting the
protocols and addresses of each network.
When connecting multiple network devices to
the Internet, a router is necessary. The term
“router” by itself may refer to any of these
devices.
x SSID
Abbreviation for Service Set IDentifier. It is a
name that identifies a particular access point
within an IEEE 802.11 wireless LAN. To
connect with an access point, a client device
must be set with the same SSID. SSIDs can be
up to 32 characters long. For higher security, a
network key is normally also used. In this case,
connection cannot occur unless the SSID
matches the network key.
x WEP
Abbreviation for Wired Equivalent Privacy.
An encryption key used in wireless LAN
networks. As an IEEE standard based on RC4
algorithm cryptography, WEP is used to
secure IEEE 802.11b wireless networks.
During the transmission of a message between
a wireless LAN access point and a client
device, the sending side encrypts the data and
the receiving side decrypts it. For
communication to occur, both devices must
use a common code key, which is called the
“WEP key.” The encryption level is indicated
by the bit count of the key; e.g., 64 bits or 128
bits. The higher the bit count, the higher the
security level.
x WPA
Abbreviation for Wi-Fi Protected Access. An
encryption standard for wireless LAN
networks created by the Wi-Fi Alliance to
remedy a number of serious security problems
in the WEP system. In addition to the network
name (SSID) and encryption key (WEP), this
protocol uses a user authentication framework
called “EAP” (Extensible Authentication
Protocol) and a protocol called “TKIP”
(Temporal Key Integrity Protocol) which
automatically updates the encryption code at
regular intervals for higher security.
x WPA2
Abbreviation for Wi-Fi Protected Access 2.
An encryption standard for wireless LAN
networks. As an upgraded version of WPA
created by the Wi-Fi Alliance, this standard
uses AES (Advanced Encryption Standard)
cryptography to provide stronger security than
WPA.
x WPS
Abbreviation for Wi-Fi Protected Setup. A
wireless network standard created by the Wi-
Fi Alliance to allow you to set up a wireless
network easily. A push button configuration
method and a PIN code method are available.