ZyXEL Communications EMG5324-D10A User Manual

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 Chapter 10 Network Address Translation (NAT)
EMG5324-D10A User’s Guide
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10.2.1  The Port Forwarding Screen
Click Network Setting > NAT to open the Port Forwarding screen.
Se
 for port numbers commonly used for particular services. 
Figure 72   
Network Setting > NAT > Port Forwarding
The following table describes the fields in this screen. 
Table 40   
Network Setting > NAT > Port Forwarding
LABEL
DESCRIPTION
Add new rule
Click this to add a new port forwarding rule.
#
This is the index number of the entry.
Status
This field indicates whether the rule is active or not.
A yellow bulb signifies that this rule is active. A gray bulb signifies that this rule is not active.
Service Name
This is the service’s name. This shows User Defined if you manually added a service. You 
can change this by clicking the edit icon.
WAN Interface
This shows the WAN interface through which the service is forwarded.
Start Port 
This is the first external port number that identifies a service.
End Port 
This is the last external port number that identifies a service.
Translation 
Start Port
This is the first internal port number that identifies a service.
Translation End 
Port
This is the last internal port number that identifies a service.
Server IP 
Address
This is the server’s IP address.
Protocol
This shows the IP protocol supported by this virtual server, whether it is TCPUDP, or TCP/
UDP
.
Modify
Click the Edit icon to 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.
Apply
Click Apply to save your changes.
Cancel
Click Cancel to restore your previously saved settings.