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Setting up NAT
Port Mapping
Port mapping is essentially an automatic form of port forwarding. It involves ports being
released on the router for a PC in the local network, and the PC "manages" these ports itself.
The router allows messages received by these ports through in both directions.
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Open the following Web page:
¢
Port
Mapping.
Precondition: NAT is activated.
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In the
Server IP
fields, enter the local IP address for the PC in the local network.
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Enter a port, a port area (e.g. 2345 - 2678) and/or a series of ports (6006, 8005) in
Mappings.
Example of an entry in
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Click Add.
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Repeat the previous step if necessary.
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Click
to apply the settings.
Set
Please note:
– Deactivate the
Enabled
– Click
Delete
to remove a PC from the list.
Exposed Host
If NAT is activated, you can set up a PC in your local network as an exposed host. Your router
will then forward all incoming data traffic from the Internet to this client. You can then, for
example, operate your own Web server on one of the PCs in your local network and make
it accessible to Internet users.
Please note: Exposed host means that your local PC is directly visible on the Internet, and
is therefore exposed to particular dangers (e.g. from hacker attacks). You should only acti-
vate this function if absolutely necessary (e.g. to operate a Web server) and if other func-
tions (e.g. port forwarding) are not adequate. In this case you should take appropriate
measures on the clients concerned.
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Open the following Web page:
¢
Exposed
Host.
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Highlight
On
or
Off
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If you activate the function, enter the local IP address for the PC that you want to release
as exposed host in the
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Click
to apply the settings.
Set
Router Settings
Port
Mappings: 2345 - 2678, 6006, 8005
field to temporarily deactivate the settings for a PC.
Router Settings
in the
Exposed Host
Local IP Address
¢
¢
Internet
¢
¢
Internet
field.
field.
Address Translation (NAT)
Address Translation (NAT)
Port
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