Chapter 9 Network Address Translation (NAT)
The following table describes the fields in this screen.
Table 42 Network > NAT > Port Forwarding
LABEL | DESCRIPTION |
Default Server Setup | |
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Default Server | In addition to the servers for specified services, NAT supports a default |
| server. A default server receives packets from ports that are not |
| specified in this screen. If you do not assign a Default Server IP |
| address, the ZyXEL Device discards all packets received for ports that |
| are not specified here or in the remote management setup. |
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|
Port Forwarding |
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|
Service Name | Select a service from the |
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|
Server IP | Enter the IP address of the server for the specified service. |
Address |
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Add | Click this button to add a rule to the table below. |
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# | This is the rule index number |
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Active | This field indicates whether the rule is active or not. |
| Clear the check box to disable the rule. Select the check box to enable |
| it. |
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Service Name | This is a service’s name. |
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Start Port | This is the first port number that identifies a service. |
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End Port | This is the last port number that identifies a service. |
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Port Translation | This is the start/end port number that the device translates. |
Start/End Port |
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Server IP | This is the server’s IP address. |
Address |
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Modify | Click the edit icon to go to the screen where you can edit the port |
| forwarding rule. |
| Click the delete icon to delete an existing port forwarding rule. Note that |
| subsequent address mapping rules move up by one when you take this |
| action. |
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Apply | Click this to save your changes. |
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Cancel | Click this to restore your previously saved settings. |
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