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Page 31 / 54 Scroll up to view Page 26 - 30
25
3660181C
Web Configuration
6.
DMZ Host
Use this page to designate one PC on your LAN to be exposed to the Internet for use of a special-purpose service
(for example - internet games or video conferences)
. DMZ hosting opens all ports of a PC.
Warning
:
In the DMZ, the computer becomes exposed and visible directly from the Internet. Because of this, it
becomes more vulnerable to hackers. (
see the Router/forwarding section on page 24 to open only specific ports on
your PC
).
Administration
Status - Telephony -
Router -
Wireless
EMTA-Settings
Gateway
Router
LAN
WAN
Computer
Firewall
Forward
DMZ
DMZ
: This page allows all ports on one chosen computer to be open to the internet.
Warning:
The computer in the DMZ can be seen directly from the internet and so
becomes more vulnerable to hackers.
DMZ Address:
Remove
Cancel
Apply
Page 32 / 54
26
3660181C
Web Configuration
Gateway – Wireless Web Page Group
Important
- Changes to the Wireless Web Pages should be made from a PC that is hard wired to the Gateway.
The Wireless Web Pages Group enables a variety of settings that can provide secure and reliable wireless communications.
The Advanced Cable Gateway offers a choice of the following:
• WEP and WPA/WPA2 authentication of your PCs to the Gateway
• Encryption keys for communication between the Gateway and your PCs to guarantee security
• An Access Control List function that enables you to restrict wireless access to only your specific PCs
Performance
Because your wireless communication travels through the air, the default wireless channel setting may not provide
optimum performance in your home if you or your neighbors have other interfering 2.4GHz devices such as cordless
phones.
If your wireless PC is experiencing very sluggish or dramatically slower communication compared with the speed you
achieve on your PC that is wired to the Gateway, try changing the channel number.
See the 802.11b/g Basic Web Page discussion below for details.
Authentication
Authentication enables you to restrict your Gateway from communicating with any remote wireless PCs that aren’t yours.
The following minimum authentication-related changes to factory defaults are recommended.
See the 802.11b/g Basic and Access Control Web Page discussions below for details.
Network Name (SSID)
– Set a unique name you choose
Access Control List
– Enter your wireless PCs’ MAC addresses
Security
Security secures or scrambles messages traveling through the air between your wireless PCs and the gateway, so they
can’t be observed by others.
The following minimum security setting changes to factory defaults are recommended.
• Change the default Network name of SSID
• Enable MAC address filtering by using the Access control list features
• Choose WPA/WPA2 encryption
See the 802.11b/g Security Web Page discussion on the next page for details.
Page 33 / 54
27
3660181C
Web Configuration
1.
802.11b/g Basic
To set the basic configuration for the wireless features, click
Basic
from the
Wireless
menu.
Note
:
These must match the settings you make on your wireless-equipped PC on the LAN side.
The SSID is your Network Name.
• Change the default to a name of your choice up to 32 characters long.
• The wireless radio in your Gateway can be completely de-activated by changing Interface to Disabled).
• Click the
Apply
button to save your settings.
Administration
Status - Telephony - Router -
Wireless
eMTA-Settings
Gateway
Wireless
Basic
Security
Access Control
802.11b/g Basic
: This page allows configuration of the Access Point parameters,
including the SSID and channel number.
Interface
Enabled
Wireless MAC Address:
00:19:df:80:00:68
Network Name (SSID)
ACG Welcome
New Channel
5
Current Channel
5
Data Encryption Mode:
wpa2
Cancel
Apply
The Gateway Wi-Fi radio frequently transmits a beacon signal which can contain this network name (SSID).
The network Type is
Open
, so your SSID is included in that beacon and is therefore detectable by any nearby wireless
equipped PCs in the area.
Setting
Description
Value List or Range
Default
Interface
Enable or disable the
wireless interface.
Enabled, Disabled
Enabled
Wireless Mac Address
The MAC address of the
wireless card installed is
displayed
Network Name (SSID)
Set the Network Name
(also known as SSID) of
this network.
Up to 32-character
string containing ASCII
characters with codes
between 0x20 and 0x7e
THOMSON-ACG-XXXX
as preconfigured by the
factory
New Channel
Select a particular
channel on which to
operate.
1-11
11
Data Encryption Mode
The data encryption
mode currently used is
displayed
WPA-PSK
(TKIP)
Page 34 / 54
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3660181C
Web Configuration
2.
802.11b/g Security
This page allows you to configure the Network Authentication.
This page provides several different modes of wireless security.
You will have to enter proper information according to the mode you select.
A network encrypted with WPA/WPA2 is more secure than a network encrypted with WEP, because WPA/WPA2
uses dynamic key encryption. WPA2 is more secure than WPA. Since WPA is more widely supported, your Gateway
is preconfigured with WPA. For even more security, if the other devices in your home network support WPA2, it is
recommended that you reconfigure your Gateway to WPA2.
To Enable WPA2
(Make sure that all your wireless home network devices support WPA2)
Choose WPA2-PSK (AES) in the security drop down menu.
Select a passphrase: the passphrase is composed of more than 8 alphanumerical characters. Upper and lower case
characters can be used.
Use a strong passphrase which combines letters and numbers.
(The alphanumeric character set consists of the numbers 0 to 9 and letters A to Z.)
Enter it into the “WPA Passphrase” box and, as directed, verify your passphrase by typing it again in the next field.
Click on apply
WPA2-PSK (AES) authentication and encryption
The authentication uses a 4-way handshake to check wether the Pre shared Keys (PSKs) are identical.
Advanced Encryption Standard () is the state of the art encryption mechanism which provides the highest form of
security for home users.
Other security modes available:
WPA-PSK (TKIP)
This is the default security mode.
Temporal Key Integrity Protocol (TKIP) is used for dynamic encryption of the data.
WEP-Open
and
WEP-Shared
If one of these security modes is chosen, you have to enter a 128 bits encryption key
Encryption Key 128 bits
The key used for WEP is a 128 bit hexadecimal ([0-9] [A-F]) key.
The key is composed of 26 hexadecimal characters.
Administration
Status - Telephony - Router -
Wireless
EMTA-Settings
Gateway
Wireless
Basic
Security
Access Control
Security
: This page allows configuration of the security mode (e.g. WEP or WPA)
and password
Security
WPA2-PSK(TKIP)
WPA Passphrase:
Re-Enter WPA Passphrase:
Cancel
Apply
Page 35 / 54
29
3660181C
Web Configuration
3.
Access Control
This page allows you to ensure security by setting an access control to the Access Point (AP). Access control is
done on client’s MAC addresses
MAC Restrict Mode
:
Click
Disabled
to welcome all of the clients on the network (
default setting
).
Click
Allow
to permit only the clients on the list to access the cable modem.
Click
Deny
to prevent the clients on the list to access this device.
MAC Address
:
Your Gateway identifies wireless PCs by their Wi-Fi MAC Address.
This address consists of a string of 6 pairs of numbers 0-9 and letters A-F, such as 00 90 4B
F0 FF 50.
It is usually printed on the Wi-Fi card of the device (e.g. the PCMCIA card in a laptop).
Enter the MAC addresses of the connected clients into the fields, and then click Apply to add
them to the list for access control. A maximum of 9 MAC addresses can be entered.
+
:
After proper configuration, click on the + button to invoke the settings.
Connected Clients
:
The information of currently connected clients will be displayed here.
Administration
Status - Telephony - Router -
Wireless
EMTA-Settings
Gateway
Wireless
Basic
Security
Access Control
Access Control
: This page displays a list of clients that have wirelessly connected to
the Gateway and provides a way to control wireless access by either allowing or
denying a specified set of computers (using MAC addresses). Currently connected
clients are in blue, previously connected clients are in gray.
MAC Restrict Mode
Allow
Wireless Clients
Computer Name
IP Address
MAC Address
No Wifi device connected
MAC Addresses
Up to 9 rules allowed
Remove All
Cancel
Apply

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