User's Manual

Chapter 4
Advanced Configuration
18
Wireless-N ADSL2+ Gateway
App
l
ications & Gaming > Port Range
Tr
i
gger
i
n
g
T
h
e
P
or
t
R
ang
e
Tr
i
gger
i
n
g
screen a
ll
ows t
h
e Gateway to
watch outgoing data
f
or speci
f
ic port numbers. The IP
address o
f
the computer that sends the matching data is
remem
b
ere
d
b
y t
h
e Gateway, so t
h
at w
h
en t
h
e requeste
d
d
ata returns t
h
roug
h
t
h
e Gateway, t
h
e
d
ata is pu
ll
e
d
b
ac
k
to the proper computer by way o
f
IP address and port
mapping ru
l
es.
App
l
ications an
d
Gaming > Port Range Triggering
Port Ran
g
e Tr
igg
er
i
n
g
To trigger a port range, enter the in
f
ormation on each line
f
or the criteria required
.
App
l
i
ca
t
ion
N
am
e
Enter the application name o
f
the
tr
i
gger
.
Tr
i
ggere
d
Range Start Port an
d
En
d
Por
t
For eac
h
application, enter the starting and ending port numbers o
f
t
h
e triggere
d
port num
b
er range. C
h
ec
k
wit
h
t
h
e Internet
application documentation
f
or the port number(s)
needed
.
Forwar
d
e
d
Range Start Port an
d
En
d
Por
t
For eac
h
app
l
ication, enter t
h
e starting an
d
en
d
ing port num
b
ers
o
f
the
f
orwarded port number range. Check with the
Internet application documentation
f
or the port number(s)
nee
d
e
d.
Enable Se
l
ect Ena
ble
to enable port triggering
f
or the
applications you have de
f
ined
.
C
l
ic
k
S
ave
S
et
t
i
ngs to app
l
y your c
h
anges, or c
l
ic
k
Cance
l
Changes to cancel your changes
.
App
l
ications an
d
Gaming > DM
Z
The DMZ
f
eature allows one network computer to be
exposed to the Internet
f
or use o
f
a special-purpose
service such as Internet gaming or videocon
f
erencing.
DMZ hosting
f
orwards all the ports at the same time to
one PC. The Port Range Forwarding
f
eature is more secure
b
ecause it on
l
y opens t
h
e ports you want to
h
ave opene
d
,
while DMZ hosting opens all the ports o
f
one computer,
exposing t
h
e computer to t
h
e Internet.
App
l
ications an
d
Gaming > DMZ
D
M
Z
Any computer whose port is being
f
orwarded must have
its DHCP client
f
unction disabled and should have a new
static IP a
dd
ress assigne
d
to it
b
ecause its IP a
dd
ress may
change when using the DHCP
f
unction
.
D
MZ Hos
t
i
ng
To disable DMZ hosting, keep the de
f
ault,
D
i
sa
ble
. To expose one PC, se
l
ect Ena
ble
. Then con
f
igure
the
f
ollowing setting:
DMZ Host IP A
dd
res
s
Enter the IP address o
f
the
compu
t
er
.
C
l
ic
k
S
ave
S
et
t
i
ngs
to app
l
y your c
h
anges, or c
l
ic
k
Cance
l
C
h
anges to cance
l
your c
h
anges
.
App
l
ications an
d
Gaming > Qo
S
Quality o
f
Service (QoS) ensures better service to high
-
priority network tra
ff
ic, which may involve demanding,
real-time applications, such as videocon
f
erencing
.
App
l
ications an
d
Gaming > QoS