ZyXEL ARMOR Z1 - Model NBG6816 User Guide - Page 79

Table 24, LABEL, DESCRIPTION, Enable, Disable, User define, Service Protocol, TCP_UDP

Page 79 highlights

Chapter 10 WAN Figure 48 Expert > WAN > NAT > General The following table describes the labels in this screen. Table 24 Expert > WAN > NAT > General LABEL General Network Address Translation (NAT) DESCRIPTION Network Address Translation (NAT) allows the translation of an Internet protocol address used within one network (for example a private IP address used in a local network) to a different IP address known within another network (for example a public IP address used on the Internet). Select Enable to activate NAT. Select Disable to turn it off. Default Server Setup Default Server You can decide whether you want to use the default server or specify a server manually. 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 the port forwarding summary table below. Change To Server Port Forwarding Service Name Service Protocol Select this to use the default server. Select this and manually enter the server's IP address. Select a pre-defined service from the drop-down list box. The pre-defined service port number(s) and protocol will be displayed in the port forwarding summary table. Otherwise, select User define to manually enter the Port number(s) and select the Service Protocol. Select the transport layer protocol supported by this virtual server. Choices are TCP, UDP, or TCP_UDP. Server IP Address If you have chosen a pre-defined service in the Service Name field, the protocol will be configured automatically. Enter the inside IP address of the virtual server here. ARMOR Z1 User's Guide 79

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Chapter 10 WAN
ARMOR Z1 User’s Guide
79
Figure 48
Expert > WAN > NAT > General
The following table describes the labels in this screen.
Table 24
Expert > WAN > NAT > General
LABEL
DESCRIPTION
General
Network Address
Translation (NAT)
Network Address Translation (NAT) allows the translation of an Internet protocol address
used within one network (for example a private IP address used in a local network) to a
different IP address known within another network (for example a public IP address used
on the Internet).
Select
Enable
to activate NAT. Select
Disable
to turn it off.
Default Server Setup
Default Server
You can decide whether you want to use the default server or specify a server manually.
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 the port forwarding summary
table below.
Select this to use the default server.
Change To Server
Select this and manually enter the server’s IP address.
Port Forwarding
Service Name
Select a pre-defined service from the drop-down list box. The pre-defined service port
number(s) and protocol will be displayed in the port forwarding summary table.
Otherwise, select
User define
to manually enter the
Port
number(s) and select the
Service Protocol
.
Service Protocol
Select the transport layer protocol supported by this virtual server. Choices are
TCP
,
UDP
, or
TCP_UDP
.
If you have chosen a pre-defined service in the
Service Name
field, the protocol will be
configured automatically.
Server IP Address
Enter the inside IP address of the virtual server here.