PLANET ADN-4000 - Manual (Page 63)

Note:
Some applications, such as FTP, TFTP, PPTP and H323, require the support of special
specific Application Level Gateway (ALG) modules in order to work inside the home network.
Data packets associated with these applications contain information that allows them to be
routed correctly. An ALG is needed to handle these packets and ensure that they reach their
intended destinations. DSL router is equipped with a robust list of ALG modules in order to
enable maximum functionality in the home network The ALG is automatically assigned
based on the destination port
Add Port Forwarding
¾ To set up Virtual Servers for a service, select the Advanced Setup Æ NAT Æ Virtual
Servers and click “add” to add the Virtual Server.
Figure: Add virtual Servers
¾ Select a service ,or custom your server
¾ Set Server IP address
¾ Enter the Set Server IP address of the computer that will provide the service (the
server in the Local Host field. Note that unless an additional external IP address has
been added, only one LAN computer can be assigned to provide a specific service
or application.
¾ Set External port start external port end
¾ Select protocol
¾ Set Internal port start and internal port end
¾ Entry Remote IP
¾ Click OK to apply the settings
If the application you require is not in the list, you must manually enter the relevant data on
the screen:
Select the protocol for the service you are providing from the Protocol list. Under Public port,
enter the port number of the service you are providing. In the Local port field, enter the
internal port number to which service requests are to be forwarded. In the Local IP address
field, enter the IP address of the PC that provides the service.
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