Chapter 10 Network Address Translation (NAT)
The following table describes the fields in this screen.
Table 58 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 Address | Enter the IP address of the server for the specified service. |
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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 | Click this check box to enable the rule. |
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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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Server IP Address | This is the server’s IP 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 rules move up by one when you take this action. |
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Apply | Click Apply to save your changes to the ZyXEL Device. |
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Cancel | Click Cancel to return to the previous configuration. |
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10.5.1 Port Forwarding Rule Edit
To edit a port forwarding rule, click the rule’s edit icon in the Port Forwarding screen to display the screen shown next.
Figure 103 Port Forwarding Rule Setup
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