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Page 61 / 88 Scroll up to view Page 56 - 60
E-DOC-CTC-20080118-0051 v2.0
55
4
Getting the Most Out of Your Thomson Gateway
4.5
Dynamic DNS
Introduction
The Dynamic DNS service allows you to assign a dynamic DNS host name (for example john.dyndns.org) to
a broadband connection even if it is using a dynamic IP address. As soon as the device gets a new IP address,
the dynamic DNS server updates its entry to the new IP address.
What you need
Before we can configure Dynamic DNS, you first have to create an account at one of the following Dynamic
DNS service providers:
±
www.dyndns.org
±
www.no-ip.com
±
www.dtdns.com
Procedure
Proceed as follows:
1
Browse to the
Thomson Gateway Web Interface
.
2
On the
Toolbox
menu, click
Dynamic DNS
.
3
On the
Navigation Bar
, click
Configure
.
4
Select the
Enabled
check box.
5
If necessary, select the broadband connection to which you want to assign the Dynamic DNS host name
in the Interface list.
6
Type the user name and password of your Dynamic DNS service account in the corresponding fields.
7
In the
Service
list, click the name of your Dynamic DNS service provider.
8
In the
Host
box, type the host name that you got from the Dynamic DNS service provider (for example
mywebpage.dyndns.org).
9
Click
Apply
.
Page 62 / 88
E-DOC-CTC-20080118-0051 v2.0
56
4
Getting the Most Out of Your Thomson Gateway
Page 63 / 88
E-DOC-CTC-20080118-0051 v2.0
57
5
Wireless Security
5
Wireless Security
Methods
The Thomson Gateway offers you following tools to protect your wireless network from intruders:
±
Encryption
±
Access Control
±
Disabling SSID Broadcast
As you will find out in the following sections, not all of these security measures are hard to crack. But all
together it may discourage some hackers to break into you network.
Page 64 / 88
E-DOC-CTC-20080118-0051 v2.0
58
5
Wireless Security
5.1
Encryption
Introduction
By using encryption, communication between the wireless clients and your Thomson Gateway is protected
by a passphrase. Only clients which use the correct network name (SSID) and passphrase can connect to your
network.
Encryption methods
During the years a number of encryption types have been developed. The list below gives you an overview of
the supported encryption types ordered by security level, you will find the highest level of security at the top
of the list:
±
WPA-PSK Encryption:
The wireless data is being encrypted with a user-defined key. Wireless clients must be configured with
this key before they can connect to the Thomson Gateway.
±
WEP Encryption:
The first encryption type used for wireless connections. Like WPA-PSK it uses a user-defined key, but WEP
has been proven to have some security issues. We strongly recommend you to use WPA-PSK instead.
Configuring the wireless encryption
Proceed as follows:
1
Open the
Thomson Gateway Web Interface
.
2
On the left menu, click
Home Network
.
3
Under
Wireless
, click your access point.
4
The
Wireless Access Point
page appears.
5
In the
Navigation Bar
, click
Configure
.
6
Under
Security
, you can change the
Encryption
. If you want to use:
²
WEP Encryption, continue with
“5.1.1 Configuring WEP Encryption” on page 59
.
²
WPA-PSK Encryption, continue with
“5.1.2 Configuring WPA-PSK Encryption” on page 60
.
Your access point will be listed in the following format: “WLAN:<Network Name> (<Actual
Speed>)”. For example,
WLAN: Thomson83C7C7 (54Mbps)
.
Page 65 / 88
E-DOC-CTC-20080118-0051 v2.0
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5
Wireless Security
5.1.1
Configuring WEP Encryption
Procedure
Continuing from
“ Configuring the wireless encryption”
:
1
Select
Use WEP Encryption
2
In the
WEP Key Length
list, click the desired key length (a higher key length offers higher security).
3
In the
Encryption key
box, type a Network key of your choice. If you are using:
²
A 64-bit key:
Type 10 hexadecimal characters (characters from 0 to 9 and from A to F) or 5 alphanumeric
characters.
²
A 128-bit key:
Type 26 hexadecimal characters (characters from 0 to 9 and from A to F) or 13 alphanumeric
characters.
4
Click
Apply
.
5
Configure your wireless client(s) with the same settings.

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