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Setting up NAT
MAC Filter
When the firewall is activated, you can restrict access to the Internet for certain PCs and PC
applications based on their MAC address.
¤
Open the following Web page:
¤
In the fields for
MAC
have access to the Internet and click on Add.
¤
Repeat the previous step if there are further PCs that you do not want to allow access to
the Internet.
¤
Click
Set
to apply the settings.
Please note:
– Deactivate the
Enabled
– Click
to remove a PC from the list.
Delete
Setting up NAT
NAT (Network Address Translation) allows several subscribers (PCs) in their local network
to access the Internet via a public IP address. NAT also protects the subscribers in their local
network against direct unauthorised access from the Internet.
They can, however, forward requests from the Internet specifically to PCs or applications in
their local network if they use special applications, or if they operate a server in their local
network (Port Forwarding / Exposed Host).
Activating/deactivating NAT:
¤
Open the following Web page:
¤
Highlight
or
On
Off
¤
Click
Set
to apply the settings.
If NAT is activated, the following functions are displayed in the navigation tree for the NAT
configuration, and these can be used to control communication between the local network
and the Internet:
u
Port Forwarding
(page 76),
u
(page 77),
Port Mapping
u
Exposed Host
(page 77) and
u
(page 78)
UPnP
Router Settings
Address, enter the MAC address for the PC that you do not want to
field to give a specified PC temporary access.
Router Settings
in the
Address Translation (NAT)
¢
¢
Internet
Firewall
¢
¢
Internet
Address Translation
field to activate or deactivate NAT.
¢
MAC
Filter.
(NAT).
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