ZyXEL Communications NBG420N User Manual

Chapter 11 Network Address Translation (NAT)

NBG420N User’s Guide

Figure 91   Network > NAT > Application 

The following table describes the labels in this screen.

Table 54   NAT Application

Game List Update A game list includes the pre-defined service name(s) and port number(s). You can 

edit and upload it to the NBG420N to replace the existing entries in the second 

field next to Service Name.

File Path 

Type in the location of the file you want to upload in this field or click Browse... to 

find it.

Browse... 

Click Browse... to find the.txt file you want to upload. Remember that you must 

decompress compressed (.zip) files before you can upload them. 

Update 

Click Update to begin the upload process. This process may take up to two 

minutes.

Add Application 

Rule

Active 

Select the check box to enable this rule and the requested service can be 

forwarded to the host with a specified internal IP address.
Clear the checkbox to disallow forwarding of these ports to an inside server 

without having to delete the entry. 

Service Name

Type a name (of up to 31 printable characters) to identify this rule in the first field 

next to Service Name. Otherwise, select a predefined service in the second field 

next to Service Name. The predefined service name and port number(s) will 

display in the Service Name and Port fields.