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21
Advanced configuration
Gigaset SE587 WLAN dsl / eng / A31008-N1083-L171-1-7619 / configure_router.fm / 12.12.2007
Schablone 2005_05_02
Wireless Network Name (SSID)
For the wireless network components to be able to communicate with one another, they
must use the same
SSID
(Service Set Identifier).
The SSID for the Gigaset SE587 WLAN dsl is individually preset. The preset SSID is shown
on the label on the bottom of the device (see page 4).
You can change the SSID if required and for security reasons you can deactivate SSID
broadcast.
ì
Enter a character string of your choice. The SSID is case-sensitive. It can contain up
to 32 characters. Use a combination of letters, digits and special characters.
Wireless Channel
All clients in the network use the same radio channel for wireless data transfer.
The channel is selected automatically by default (
Auto Channel
is enabled). If required,
you can choose manually between various channels, depending on your current loca-
tion.
To choose the channel manually:
ì
Disable the
Auto Channel
option.
ì
Select the
Wireless Channel
for your wireless network.
Wireless SSID broadcast
If this option is enabled (default setting), the Gigaset SE587 WLAN dsl will send the SSID
in all data transfers and the SSID of the Gigaset SE587 WLAN dsl will be displayed on PCs
that have a wireless network adapter. In this case, hackers could use the SSID to detect
your network.
If you deactivate
Wireless SSID broadcast
, the SSID of the Gigaset SE587 WLAN dsl will
not be displayed. This increases protection against unauthorised access to your wireless
network. Make a note of the SSID. You will need it to log on to the PC.
ì
Select
Disable
to deactivate
Wireless SSID broadcast
.
ì
Click
Save Settings
to apply all your settings on this page.
Wireless Security
For your security data transmission in your wireless network is encrypted by default.
Access to your wireless network is only granted to authenticated clients.
The Gigaset SE587 WLAN dsl is delivered with preset individual encryption (WPA-PSK/
WPA2-PSK with pre-shared key). You will find this key on the label on the bottom of the
device.
Note:
The connection to the wireless network adapters will be interrupted until you have
connected them with the new SSID.
Page 22 / 89
22
Advanced configuration
Gigaset SE587 WLAN dsl / eng / A31008-N1083-L171-1-7619 / configure_router.fm / 12.12.2007
Schablone 2005_05_02
If all components of your wireless network provide this encryption method there is no
need to change any settings on this page. If not, or if you want to change the preset key
(e. g. if unauthorised persons have access to your device), you can configure the
encryption for your wireless network on this page.
The following security mechanisms are available:
u
WPA-PSK
/WPA2-PSK (WiFi-Protected Access)
u
WEP
encryption (Wired Equivalent Privacy)
WPA-PSK (WPA with pre-shared key) offers greater security than WEP. You should there-
fore select WPA-PSK encryption if it is supported by all components in your wireless net-
work. WPA-PSK is an efficient method for protecting wireless networks. Dynamic keys,
based on the
AES
(WPA2-PSK) or
TKIP
(WPA-PSK), offer increased security.
ì
In the
Wireless Network
menu, select
Wireless Security
.
ì
Select the desired encryption method from the
Security Mode
option menu.
WPA-PSK and WPA2-PSK
ì
Select
WPA-PSK/WPA2-PSK
from the
Security Mode
option menu.
ì
Enter a key in the
WPA Shared key
field (up to 32 characters). Use a combination of
letters, digits and special characters.
ì
Click
Save Settings
to apply your settings.
Note:
If you change the encryption, wirelessly connected clients are disconnected until you
update the security setting on the wireless network adapters again.
WPA-PSK/WPA2-PSK
Select this option for WPA-PSK or WPA2-PSK encryption.
WEP
Select this option for WEP encryption.
Disabled
Select this option if you want to deactivate the encryption
of the wireless data transmission. It is not recommended to
deactivate encryption.
Note:
Make a note of the key that you have entered. You will need this information to con-
figure the wireless network adapters properly.
Page 23 / 89
23
Advanced configuration
Gigaset SE587 WLAN dsl / eng / A31008-N1083-L171-1-7619 / configure_router.fm / 12.12.2007
Schablone 2005_05_02
WEP encryption
If WPA is not supported by all components in your wireless network, we recommend
that you activate
WEP Encryption
on the components.
You can choose either the standard 64-bit key or the more robust 128-bit key. The keys
are generated in hexadecimal format. You must use the same keys for encryption and
decryption for the Gigaset SE587 WLAN dsl and all your wireless network adapters.
ì
Select
WEP
from the
Security Mode
option menu.
ì
Select
64 bit
or
128 bit
from the
Key Length
option menu.
ì
If you don’t use an authentication server in your network keep the value
Open Sys-
tem
for the parameter
Authentication type
. Otherwise choose
Shared Key
.
You can enter up to four keys manually or generate them automatically by means of a
passphrase.
Generating keys by means of a Passphrase
ì
Enter a
Passphrase
(up to 32 characters).
ì
Click
Generate
to create the keys.
Generating keys manually
ì
Enter up to four keys in fields
Key 1
to
Key 4
.
With a 64-bit encryption depth, the key is 10 characters long.
An example of a valid key: 12-34-56-7A-BC
With a 128-bit encryption depth, the key is 26 characters long.
An example of a valid key: 23-45-67-AB-C8-91-23-45-DE-F1-23-45-67
Allowed characters are 0-9 and A-F.
Page 24 / 89
24
Advanced configuration
Gigaset SE587 WLAN dsl / eng / A31008-N1083-L171-1-7619 / configure_router.fm / 12.12.2007
Schablone 2005_05_02
ì
Select one of the four keys as the
Default Transmit Key
. This is the key which should
currently be used for encryption.
ì
Click
Save Settings
to apply your settings.
Security
The firewall functions of the Gigaset SE587 WLAN dsl include various security functions
for the local network. They are activated by default and configured in the factory. If you
want to deactivate the firewall, carry out the following steps:
ì
In the
Security
menu, select
Firewall
.
ì
Select the
OFF
option.
ì
Click
Save Settings
to apply your settings.
Note:
u
It is very
important
that you make a note of the key(s) that have been entered or
generated. You will need this information to configure the wireless network adapt-
ers properly.
u
When you have concluded the configuration you must change the WEP encryption
in the wireless network adapters for the connected PCs in the same way, as they
will not otherwise be given access to the wireless network of the Gigaset SE587
WLAN dsl.
Page 25 / 89
25
Advanced configuration
Gigaset SE587 WLAN dsl / eng / A31008-N1083-L171-1-7619 / configure_router.fm / 12.12.2007
Schablone 2005_05_02
Access Restrictions
The
Access Restriction
function allows you to define rules for blocking access to the
Internet for various services and for one or more PCs. You can permit or block access to
URLs at certain times.
ì
In the
Access Restrictions
menu, select
Internet Access
.

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