ZyXEL Communications Prestige 128IMH, Руководство пользователя, Страница: 47 / 142

Prestige 128IMH User’s Guide ZyXEL
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Page 5-5
5.3. Configuration for Single User Account
The steps for configuring your Prestige for Single User Internet Access are identical to
conventional Internet Access with the exception that you need to fill in three extra fields.
Follow steps 1-8 from the previous section, Internet Access Configuration.
1. Single User Account - Enter Yes to enable the Single User Account feature. Use the
space bar to toggle between
Yes
and
No
.
2. Single User Account: IP Addr - If your ISP assigns you a dynamic IP address, enter
0.0.0.0 here. If your ISP assigns you a static IP address, enter that IP address here.
Press ENTER at the message ‘Press ENTER to Confirm’ to confirm your selections or
press ESC at any time to cancel your selections.
At this point, the Prestige asks if you wish to test the Internet connection. If you select Yes ,
the Prestige will call the ISP to test the Internet connection. If the test fails, note the error
message that you receive and take the appropriate troubleshooting steps.
5.4. Multiple Servers behind SUA
If you wish, you can make inside servers for different services, e.g., web or FTP, visible to
the outside users, even though SUA makes your whole inside network appear as a single
machine to the outside world. A service is identified by the port number, e.g., web service
is on port 80 and FTP on port 21.
As an example, if you have a web server at 192.168.1.2 and an FTP server 192.168.1.3,
then you need to specify for port 80 (web) the server at IP address 192.168.1.2 and for port
21 (FTP) another at IP address 192.168.1.3.
Please note that a server can support more than one service, e.g., a server can provide both
FTP and DNS service, while another provides only web service. Also, since you need to
specify the IP address of a server in the Prestige, a server must have a fixed IP address and
not be a DHCP client whose IP address potentially changes each time it is powered on.
In addition to the servers for specific services, SUA supports a default server. A service
request that does not have a server explicitly designated for it is forwarded to the default
server. If the default server is not defined, the service request is simply discarded.
To make a server visible to the outside world, specify the port number of the service and the
inside IP address of the server in Menu 15, Multiple Server Configuration.