WR3000 4-Port Wireless DSL/Cable Router
®
98
12.5.2 Confi guring Firewall Services - Continued
The following table describes the labels in the above screen.
Creating/Editing A Firewall Rule
LABEL
DESCRIPTION
DESCRIPTION
Enable Services
Enable Services
Blocking
Select the check box to activate service blocking.
Select the check box to activate service blocking.
Available Services
Available Services
This is a list of pre-defi ned services (ports) you may prohibit your LAN computers
This is a list of pre-defi ned services (ports) you may prohibit your LAN computers
from using. Select the port you want to block using the drop-down list and click
Add
to
add the port to the
Blocked Service
fi eld.
Please see
Table 12-4
for more information on services available
Blocked Services
Blocked Services
This is a list of services (ports) that will be inaccessible to computers on your LAN
This is a list of services (ports) that will be inaccessible to computers on your LAN
once you enable service blocking. Choose the IP port
(TCP, UDP orTCP/UDP)
that
defi nes your customized port from the drop down list box.
Custom Port
Custom Port
A custom port is a service that is not available in the pre-defi ned
A custom port is a service that is not available in the pre-defi ned
Available
Services
list and you must defi ne using the next two fi elds.
For a comprehensive list of port numbers and services, visit the IANA (Internet
Assigned Number Authority) web site.
Table continued on the next page.
Appl
y
Reset
CONTEN
T
FI
LT
ER
Enable UR
L
Keyword Blocking
Av
ailable Services
Blocked Services
Ad
d D
d D
d D
d D
d D
elet
e
Clear All
Day to Block
Ti
me of Day to Block (24-Hour Forma
t)
Everyday
Su
n
All Da
y
Mo
n
Tu
e
We
d
Thu
Fr
i
Sa
t
Star
t
(hour
)
0
(min
)
0
En
d
(hour
)
0
(min
)
0
Select “Custom Port,” you can give new
port range for blocking
Ty
pe
Port Number
0 0
0 0
0 0
0 0
0 0
-
0 0
-
Any (TCP)
Any (UDP)
ISPEC_TUNNEL
(ESP:0)
MUL
TICAST
MULTICASTMUL
(IGMP:0)
PING (ICMP:0)
PPTP_TUNNEL(GRE:0)
BGP(TCP:179)
Custom Port...
Settings
Filter
Services
TCP