ZyXEL Communications P-2602HWLNI, Руководство пользователя, Страница: 161 / 496

Chapter 10 Network Address Translation (NAT) Screens
P-2602HWLNI User’s Guide
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10.5 Configuring Port Forwarding
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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.
Click Network > NAT > Port Forwarding to open the following screen. This screen is
available only when you select SUA only in the NAT > General screen.
See Appendix E on page 475 for port numbers commonly used for particular services.
Figure 93 Port Forwarding
The following table describes the fields in this screen.
Table 54 Port Forwarding
LABEL DESCRIPTION
Default Server
Setup
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.
Port Forwarding
Service Name Select a service from the drop-down list box.
Server IP
Address
Enter the IP address of the server for the specified service.
Add Click this button to add a rule to the table below.
# This is the rule index number (read-only).
Active Click this check box to enable the rule.
Service Name This is a service’s name.
Start Port This is the first port number that identifies a service.
End Port This is the last port number that identifies a service.