Refer
e
nc
e M
anu
al
for
the
Pr
oSafe
802.11
g
Wire
less
VPN Fir
e
wal
l FVG318
4-
2
W
ireless Co
nfigu
ratio
n
BE
TA
Implementing Appropriate W
ireless Security
Unl
ike wired n
et
w
or
k d
ata,
yo
ur wireless
data
transmissions ca
n extend beyond your
w
alls and
can be
re
ceived
by a
nyone with a c
ompatible adapte
r. For
this reas
on, use the security fea
tures
of
your wire
less equipme
nt. The FVG318 W
ire
less VPN
Firewa
ll provide
s highly
ef
fe
ctive
s
ecurity
features which
are covered in
detail in this chapter
.
Figu
re
4-
1:
FVG318
wir
e
less
dat
a s
e
cu
rity
op
tions
The
re are severa
l w
ays
you can enhance
the sec
urity
of your wire
less network:
•
Res
trict Acc
ess Based on MAC Addr
es
s.
Y
ou can allow only truste
d PCs to
connect so that
unknown PCs ca
nnot wirele
ssly
co
nne
ct to the
FVG
318. Res
tric
ting
acce
ss by MA
C address
adds a
n obstac
le agains
t unw
ante
d ac
cess
to yo
ur network, but
the data broadcas
t ove
r the
wireless li
nk
is fully exposed.
•
T
u
rn Off the Br
oadcast of the W
ir
eless
Network Name SSID.
If
yo
u disa
ble b
roa
dc
ast of
the S
S
ID, only devices that
have the correct
SSID can connect
. This
nullifies wireless network
‘discovery’
featur
e of some
products,
such as W
indows
XP
, but t
he data is still
exposed.
•
WEP
.
W
ired Equivalent Privacy (WEP)
data encr
yption provides data
security
. WEP
Shared
Key aut
hentication and WEP
data
encrypt
ion
will bl
ock all but
the most determined
eavesdropper
.
Note
:
Indoors,
co
mputers ca
n connec
t to wirel
ess network
s at ran
ges
of 300
feet
or
more. Such dista
nce
s allow
othe
rs outsid
e
of your a
rea to ac
ces
s your network.
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18
