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Chapter 11 Network Address Translation (NAT)
ADSL Series User’s Guide
178
Figure 86 Port Forwarding: Add/Edit
The following table describes the labels in this screen.
11.3 The Sessions Screen
Use the Sessions screen to limit the number of concurrent NAT sessions each client can use.
Click Network Setting > NAT > Sessions to display the following screen.
Table 48 Port Forwarding: Add/Edit
LABEL DESCRIPTION
Service Name Enter a name to identify this rule using keyboard characters (A-Z, a-z, 1-2 and so on).
WAN Interface Select the WAN interface through which the service is forwarded.
You must have already configured a WAN connection with NAT enabled.
Start Port Enter the original destination port for the packets.
To forward only one port, enter the port number again in the External End Port field.
To forward a series of ports, enter the start port number here and the end port number in
the External End Port field.
End Port Enter the last port of the original destination port range.
To forward only one port, enter the port number in the External Start Port field above
and then enter it again in this field.
To forward a series of ports, enter the last port number in a series that begins with the
port number in the External Start Port field above.
Translation Start
Port
This shows the port number to which you want the ZyXEL Device to translate the
incoming port. For a range of ports, enter the first number of the range to which you
want the incoming ports translated.
Translation End
Port
This shows the last port of the translated port range.
Server IP Address Enter the inside IP address of the virtual server here.
Protocol Type Select the protocol supported by this virtual server. Choices are TCP, UDP, or TCP/UDP.
Apply Click Apply to save your changes.
Back Click Back to return to the previous screen without saving.