Netmask
Combined with
the IP address,
the IP Subnet
Mask enables a
device to know
which other
addresses are
local to it, and
which must be
reached via a
gateway or a
router.
A number that
explains which
part of an IP
address com-
prises the net-
work address
and which part
is the host
address on that
network.
It can be
expressed in
dotted decimal
notation or
as a number
appended to the
IP address.
Network key
Code enabling
the encryption
and decryption
of the informa-
tion exchanged
between devic-
es.
n o
39
USER
GUIDE
FOR
LEGRAND
DUAL
BAND
ACCESS
POINT
Securing a
Wi-Fi network
Adding encryp-
tion to Wi-Fi
communications
Shared Key
Shared key
= Pre-shared
Key (PSK) =
network key
SSID
See ESSID
s u
RADIUS
RADIUS
(Remote
Authentication
Dial-In User
Service) is an
authentication
system.
When using
RADIUS, you
must enter your
user name and
password or cer-
tificates before
gaining access
to a network.
This information
is passed to a
RADIUS server,
which checks
that it is correct
and then author-
izes access.
r
Open system
Wireless com-
munication
mode without
encryption.
Upgrade
Replacement
of existing
software or
firmware with a
newer version.
WEP
WEP (Wired
Equivalent
Privacy) is a
data encryp-
tion protocol for
802.11 wireless
networks.
All wireless
nodes and
access points
on the network
are configured
with a 64-bit or
128-bit shared
key for data
encryption.
Wi-Fi
A commercial
brand certifying
interoperability
for 802.11a/b/g
wireless devic-
es.
w
