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Page 51 / 268 Scroll up to view Page 46 - 50
Reference Manual for the Model Wireless ADSL Firewall Router DG834G
Wireless Configuration
4-5
Note:
This value is case sensitive. For example,
Wireless
is not the same as
wireless
.
—
Region
. Select your region from the drop-down list. This field displays the region of
operation for which the wireless interface is intended. It may not be legal to operate the
router in a region other than the region shown here.
—
Channel
. This field determines which operating frequency will be used. It should not be
necessary to change the wireless channel unless you notice interference problems with
another nearby access point.
—
Mode
. The default is "g & b", which allows both "g" and "b" wireless stations to access
this device. “g only” allows only 802.11g wireless stations to be used. “b only” allows
802.11b wireless stations; 802.11g wireless stations can still be used if they can operate in
802.11b mode.
•
Wireless Access Point
.
—
Enable Wireless Access Point
. This field lets you turn off or turn on the wireless access
point built in to the router. The wireless icon on the front of the router will also display the
current status of the Wireless Access Point to let you know if it is disabled or enabled. The
wireless access point must be enabled to allow wireless stations to access the Internet.
—
Allow Broadcast of Name (SSID)
. If enabled, the SSID is broadcast to all Wireless
Stations. Stations which have no SSID (or a "null" value) can then adopt the correct SSID
for connections to this Access Point.
—
Wireless Isolation.
If enabled, Wireless Stations will not be able to communicate with
each other or with Stations on the wired network. This feature should normally be
disabled.
•
Wireless Station Access List
.
—
By default, any wireless computer that is configured with the correct wireless network
name or SSID will be allowed access to your wireless network. For increased security, you
can restrict access to the wireless network to only specific computers based on their MAC
addresses. Click Setup Access List to display the Wireless Station Access List menu.
Page 52 / 268
Reference Manual for the Model Wireless ADSL Firewall Router DG834G
4-6
Wireless Configuration
•
Security Options
Table 4-1.
Wireless Security Options
Field
Description
Disable
Wireless security is not used.
WEP
(Wired
Equivalent
Privacy)
You can select the following WEP options:
Authentication Type
•
Open: the DG834G does not perform any authentication.
•
Shared: WEP shared key authentication. For a full explanation of WEP shared key, see
“Authentication and WEP Data Encryption” on page D-2
.
Encryption Strength
•
If Shared or Open Network Authentication is enabled, you can choose 64- or 128-bit
WEP data encryption.
Note
: With Open Network Authentication and 64- or 128-bit WEP Data Encryption, the
DG834G
does
perform 64- or 128-bit data encryption but
does not
perform any
authentication.
Security Encryption (WEP) Key
These key values must be identical on all wireless devices in your network (key 1 must be
the same for all, key 2 must be the same for all, and so on).
The DG834G provides two methods for creating WEP encryption keys:
•
Passphrase. These characters
are
case sensitive. Enter a word or group of printable
characters in the Passphrase box and click the Generate button.
Note
: Not all wireless adapters support passphrase key generation.
•
Manual. These values
are not
case sensitive.
64-bit WEP: enter 10 hexadecimal digits (any combination of 0-9, a-f, or A-F).
128-bit WEP: enter 26 hexadecimal digits (any combination of 0-9, a-f, or A-F).
Page 53 / 268
Reference Manual for the Model Wireless ADSL Firewall Router DG834G
Wireless Configuration
4-7
How to Set Up and Test Basic Wireless Connectivity
Follow the instructions below to set up and test basic wireless connectivity. Once you have
established basic wireless connectivity, you can enable security settings appropriate to your needs.
1.
Log in to the DG834G firewall at its default LAN address of
with its default
user name of
admin
and default password of
password
, or using whatever LAN address and
password you have set up.
2.
Click the Wireless Settings link in the main menu of the DG834G firewall.
3.
Choose a suitable descriptive name for the wireless network name (SSID). In the SSID box,
enter a value of up to 32 alphanumeric characters. The default SSID is
Wireless
.
Note:
The SSID of any wireless access adapters must match the SSID you configure in the
DG834G Wireless ADSL Firewall Router. If they do not match, you will not get a wireless
connection to the DG834G.
4.
Set the Region. Select the region in which the wireless interface will operate.
WPA-PSK
(Wi-Fi Protected
Access
Pre-Shared Key)
WPA Pre-Shared-Key uses a pre-shared key to perform the authentication and generate
the initial data encryption keys. Then, it dynamically varies the encryption key. For a full
explanation of WPA, see
“WPA Wireless Security” on page D-8
.
Note
: Not all wireless adapters support WPA. Furthermore, client software is required on
the client. Windows XP and Windows 2000 with Service Pack 3 do include the client
software that supports WPA. Nevertheless, the wireless adapter hardware and driver
must also support WPA.
WPA-802.1x
User authentication is implemented using 802.1x and RADIUS servers. For a full
explanation of WPA, see
“WPA Wireless Security” on page D-8
.
Fill in the following:
•
Radius Server Name/IP Address
This field is required. Enter the name or IP address of the Radius Server on your LAN.
•
Radius Port
Enter the port number used for connections to the Radius Server.
•
Radius Shared Key
Enter the desired value for the Radius shared key. This key enables the DG834G to log
in to the Radius server and must match the value used on the Radius server.
Table 4-1.
Wireless Security Options
Field
Description
Page 54 / 268
Reference Manual for the Model Wireless ADSL Firewall Router DG834G
4-8
Wireless Configuration
5.
Set the Channel. The default channel is 11.
This field determines which operating frequency will be used. It should not be necessary to
change the wireless channel unless you notice interference problems with another nearby
wireless router or access point. Select a channel that is not being used by any other wireless
networks within several hundred feet of your firewall. For more information on the wireless
channel frequencies please refer to
“Wireless Channels” on page D-7
.
6.
For initial configuration and test, leave the Wireless Card Access List set to allow everyone
access by making sure that “Turn Access Control On” is not selected in the Wireless Station
Access List. In addition, leave the Encryption Strength set to “Disabled.”
7.
Click Apply to save your changes.
8.
Configure and test your computers for wireless connectivity.
Program the wireless adapter of your computers to have the same SSID and channel that you
configured in the router. Check that they have a wireless link and are able to obtain an IP
address by DHCP from the firewall.
Once your computers have basic wireless connectivity to the firewall, you can configure the
advanced wireless security functions of the firewall.
How to Restricting Wireless Access to Your Network
By default, any wireless PC that is configured with the correct SSID will be allowed access to your
wireless network. For increased security, the DG834G Wireless ADSL Firewall Router provides
several ways to restrict wireless access to your network:
•
Turn off wireless connectivity completely
•
Restrict access based on the Wireless Network Name (SSID)
•
Restrict access based on the Wireless Card Access List
These options are discussed below.
Note:
If you are configuring the firewall from a wireless computer and you change the
firewall’s SSID, channel, or security settings, you will lose your wireless connection
when you click Apply. You must then change the wireless settings of your computer to
match the firewall’s new settings.
Page 55 / 268
Reference Manual for the Model Wireless ADSL Firewall Router DG834G
Wireless Configuration
4-9
Figure 4-3:
Wireless Access Point settings
Restricting Access to Your Network by Turning Off Wireless Connectivity
You can completely turn off the wireless portion of the DG834G. For example, if your notebook
computer is used to wirelessly connect to your router and you take a business trip, you can turn off
the wireless portion of the router while you are traveling. Other members of your household who
use computers connected to the router via Ethernet cables will still be able to use the router.
Restricting Wireless Access Based on the Wireless Network Name (SSID)
The DG834G can restrict wireless access to your network by not broadcasting the wireless
network name (SSID). However, by default, this feature is turned off. If you turn this feature on,
wireless devices will not ‘see’ your DG834G. You must configure your wireless devices to match
the wireless network name (SSID) you configure in the DG834G wireless router.
Note:
The SSID of any wireless access adapters must match the SSID you configure in the
DG834G Wireless ADSL Firewall Router. If they do not match, you will not get a wireless
connection to the DG834G.
Restricting Wireless Access Based on the Wireless Station Access List
This list determines which wireless hardware devices will be allowed to connect to the firewall.
To restrict access based on MAC addresses, follow these steps:
1.
Log in to the DG834G firewall at its default LAN address of
with its default
user name of
admin
and default password of
password
, or using whatever LAN address and
password you have set up.
2.
From the Wireless Settings menu, Wireless Station Access List section, click the Setup Access
List button to display the list, shown below:

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