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Page 36 / 59 Scroll up to view Page 31 - 35
Advanced Settings
36
NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
3.
Click
Apply
.
MAC Filtering
By default, the gateway allows any connected computer to access the Internet. The MAC
Filtering screen lets you block specific computers, based on their MAC addresses, from
access to the Internet on selected days and times.
To use MAC filtering to block Internet access for a specific computer:
1.
In the main menu, under Advanced, select
MAC
Filtering
.
The Trusted Devices table shows computers that
have access to the Internet through the gateway.
2.
In the Add MAC Filter table, use one of these
methods to specify computers to block:
•
If the computer is in the Trusted Devices table,
select its radio button. The MAC address is
added into the Add MAC Filter table.
•
If the computer you want is not listed, click
Refresh
to update the Trusted Devices table.
If the computer is still not listed, complete the
Device Name and MAC Address fields.
3.
Click
Add
.
The Enable check box for the computer in the MAC
Filter List is automatically selected.
4.
To block the computer, select the days and times:
•
Days to Block
. Select the days to block the
computer selected in the MAC Filter List. The default is Everyday.
WPS Settings
Disable router’s PIN
Selecting this check box disables the PIN that WPS
clients use to connect to the gateway with the PIN
method. Normally this check box is cleared, which is
the default setting.
Keep Existing Settings
If a WPS client is added, the gateway automatically
selects this check box. When the Keep Existing
Settings check box is selected, the SSID and
wireless security settings remain the same when
more WPS clients are added.
Wireless Access List
Set up Access List
Access control is disabled by default so that any
computer that is configured with the correct SSID
can connect.
Advanced Wireless Settings
Description
Page 37 / 59
Advanced Settings
37
NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
•
Time of Day to Block
. You can specify the time of day to block the computer. The
default is All Day. Be sure that you clear the
All Day
check box if you want to enter
specific times. The selected period applies to each day that you selected.
5.
Click
Apply
.
6.
Repeat these steps for all computers that you want to block.
To stop blocking a computer:
1.
In the MAC Filter List, select the computer.
2.
Clear its
Enable
check box.
The computer remains in the list; however, it is not blocked.
3.
Click
Apply
.
To remove a computer from the list:
1.
In the MAC Filter List, select the computer.
2.
Click
Delete
.
3.
Click
Apply
.
Page 38 / 59
Advanced Settings
38
NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
IP Filtering
By default, any computer is allowed access to the Internet through your gateway. You can
use IP filtering to block specific computers based on their IP addresses from access to the
Internet on selected days and times.
To set up IP filtering:
1.
In the main menu, under Advanced, select
IP
Filtering
.
The Trusted Devices table shows computers
that are allowed access to the Internet
through your gateway.
2.
Add devices to the IP Filter List as needed:
•
If the computer you want to add appears
in the Trusted Devices table, select its
radio button to capture its IP address.
If the computer you want is not listed,
click
Refresh
to update the Trusted
Devices table.
•
If the name of the computer you want to
add does not display, you can type a
name for the computer you are adding; or
enter the IP address of the computer you
want to block.
3.
Click
Add
.
The Enable check box is automatically selected.
4.
Select the days to block.
5.
In the Time of Day to Block section, select a start time and an end time. This time range
applies to each day you selected in Day(s) to Block section for the specific computer. All day
is the default value.
6.
Click
Apply
.
To delete a device from the IP Filter List:
1.
In the main menu, under Advanced, select
IP Filtering
.
2.
Select the computer.
3.
Click
Delete
.
4.
Click
Apply
.
Page 39 / 59
Advanced Settings
39
NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
Port Blocking
You can use port blocking to block outbound traffic on specific ports. Outbound traffic rules
control access to outside resources from local users. The default rule is to allow all access
from the LAN side to the outside. You can use port blocking to add predefined or custom
rules to specify exceptions to the default rule.
Note:
The default rule allows any outbound traffic not blocked by rules that
you create.
To configure port blocking:
1.
In the main menu, under Advanced, select
Port Blocking
.
2.
From the Service list, select the service you want
to block.
3.
To add a custom service that is not in the list of
services, specify these settings in the Add
Custom Service table:
•
Name
. A name for the service.
•
Start Port
. The start port for the service.
•
End Port
. The end port for the service.
•
Protocol
. The protocol for the ports:
-
TCP
. TCP only.
-
UDP
. UDP only.
-
Both
. Both TCP and UDP.
•
Local IP Address
. Complete the local IP address for the computer that is using the
service.
4.
Perform one of the following actions:
•
Click
Add
to save your settings. The Active Filters table now displays the list of ports
that are currently blocked.
•
To delete a service, select the radio button in the Active Filters table for the service
that you want to delete, and click
Delete
.
•
To reset the selection in the Services drop-down list and to clear all the fields in the
Add Custom Service table, click
Reset
.
Port Forwarding
A firewall has default rules for inbound traffic (WAN to LAN) and for outbound traffic. Port
forwarding affects the inbound rules. These rules restrict access from outsiders. By default,
Page 40 / 59
Advanced Settings
40
NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
the gateway blocks access from outside except for responses to requests from the LAN side.
You can use port forwarding to add rules to specify exceptions to the default rule.
Because the gateway uses Network Address Translation (NAT), your network presents only
one IP address to the Internet, and outside users cannot directly address any of your local
computers. However, by defining an inbound rule you can make a local server (for example, a
web server or game server) or computer visible and available to the Internet. The rule tells
the gateway to direct inbound traffic for a particular service to one local server or computer
based on the destination port number. Directing traffic is also known as port forwarding.
Some residential broadband ISPs do not allow you to run server processes (such as a web or
FTP server) from your location. Your ISP might check for servers and suspend your account
if it finds active services at your location. See the ISP’s Acceptable Use policy.
Pay attention to the following considerations before configuring port forwarding:
•
If the DHCP assigns the IP address of the local server computer, the address might
change when the computer is rebooted. To keep the address from changing, you can
assign a static IP address to your server outside the range that DHCP assigns, but in the
same subnet as your LAN. By default, the IP addresses from 192.168.0.2 through
192.168.0.9 are reserved for this purpose.
•
Local computers must access the local server using the computers’ local LAN address
(192.168.0.XXX, by default). Attempts by local computers to access the server using the
external WAN IP address fail.
•
Port forwarding opens holes in your firewall. Enable only ports that are necessary.
To configure port forwarding and services for specific inbound traffic:
1.
In the main menu, under Advanced, select
Port Forwarding
.
2.
From the Service list, select the service for
which you want to configure port forwarding.
3.
To add a custom rule that is not in the list of
services, specify these settings in the Add
Custom Rules table:
•
Name
. A name for the service.
•
Start Port
. The start port for the service.
•
End Port
. The end port for the service.
•
Protocol
. The protocol for the ports:
-
TCP
. TCP only.
-
UDP
. UDP only.
-
Both
. Both TCP and UDP.
•
Local IP Address
. Complete the local IP
address for the computer that is using the
service.
4.
Perform one of these actions:
•
Click
Add
. The Active Forwarding Rules table displays the list of forwarded ports.

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