ZyXEL Communications VMG4325-B10A, Руководство пользователя

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Chapter 11 Network Address Translation (NAT)
VMG4380-B10A / VMG4325-B10A User’s Guide
183
11.3 The Applications Screen
This screen provides a summary of all NAT applications and their configuration. In addition, this
screen allows you to create new applications and/or remove existing ones.
To access this screen, click Network Setting > NAT > Applications. The following screen
appears.
Figure 78
Network Setting > NAT > Applications
The following table describes the labels in this screen.
End Port Enter the last port of the original destination port range.
To forward only one port, enter the port number in the Start Port field above and then
enter it again in this field.
To forward a series of ports, enter the last port number in a series that begins with the port
number in the Start Port field above.
Translation
Start Port This shows the port number to which you want the Device to translate the incoming port.
For a range of ports, enter the first number of the range to which you want the incoming
ports translated.
Translation End
Port This shows the last port of the translated port range.
Server IP
Address Enter the inside IP address of the virtual server here.
Protocol Select the protocol supported by this virtual server. Choices are TCP, UDP, or TCP/UDP.
OK Click OK to save your changes.
Cancel Click Cancel to exit this screen without saving.
Table 55
Port Forwarding: Add/Edit (continued)
LABEL DESCRIPTION
Table 56
Network Setting > NAT > Applications
LABEL DESCRIPTION
Add new
application Click this to add a new NAT application rule.
Application
Forwarded This field shows the type of application that the service forwards.
WAN Interface This field shows the WAN interface through which the service is forwarded.
Server IP
Address This field displays the destination IP address for the service.
Modify Click the Delete icon to delete the rule.