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Chapter 8 Network Address Translation (NAT)
Click NAT > Trigger Port to open the following screen. Use this screen to view and configure your
Figure 84 Trigger Port
The following table describes the labels in this screen.
Table 52 NAT Trigger Port
LABEL | DESCRIPTION |
Service Name | Select a |
| defined service port number(s) and protocol will display in the Trigger |
| port, Open port and Protocol fields. |
| Otherwise, select User Define to open the Rule Setup screen where |
| you can manually enter the port number(s) and select the transport |
| layer protocol. |
|
|
WAN Interface | Select the WAN interface through which the service is forwarded. |
|
|
Trigger Port | The trigger port is a port (or a range of ports) that causes (or triggers) |
| the |
| sent the traffic to a server on the WAN. |
|
|
Start | This is the first port number that identifies a service. |
|
|
End | This is the last port number that identifies a service. |
|
|
Protocol | This is the transport layer protocol used for the service. |
|
|
Open Port | The open port is a port (or a range of ports) that a server on the WAN |
| uses when it sends out a particular service. The |
| forwards the traffic with this port (or range of ports) to the client |
| computer on the LAN that requested the service. |
|
|
Start | This is the first port number that identifies a service. |
|
|
End | This is the last port number that identifies a service. |
|
|
Protocol | This is the transport layer protocol used for the service. |
|
|
Add | Click this button to add a rule to the table below. |
|
|
No. | This is the rule index number |
|
|
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. |
|
|
Server Name | This field displays the name of the service used by the packets for this |
| virtual server. |
|
|
WAN Interface | This field displays the WAN interface through which the service is |
| forwarded. |
|
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| 189 |
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