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34
Chapter 5: Configuring the Gateway
The Applications and Gaming Tab
Wireless-G ADSL Gateway
Port Range Forwarding
The Port Forwarding screen sets up public services on your network, such as web servers, ftp servers, e-mail
servers, or other specialized Internet applications. (Specialized Internet applications are any applications that use
Internet access to perform functions such as videoconferencing or online gaming. Some Internet applications
may not require any forwarding.) (See Figure 5-27.)
When users send this type of request to your network via the Internet, the Gateway will forward those requests to
the appropriate computer. Any computer whose port is being forwarded should have its DHCP client function
disabled and should have a new static IP address assigned to it because its IP address may change when using
the DHCP function.
Application. Enter the name you wish to give each application.
Start and End. Enter the starting and ending numbers of the port you wish to forward.
TCP UDP. Select the type of protocol you wish to use for each application:
TCP
,
UDP
, or
Both
.
IP Address. Enter the IP Address and Click
Enabled
.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
Port Triggering
Port Triggering is used for special applications that can request a port to be opened on demand. For this feature,
the Gateway will watch outgoing data for specific port numbers. (See Figure 5-28.) The Gateway will remember
the IP address of the computer that sends a transmission requesting data, so that when the requested data
returns through the Gateway, the data is pulled back to the proper computer by way of IP address and port
mapping rules.
Application. Enter the name you wish to give each application.
Start Port and End Port. Enter the starting and ending Outgoing Triggered Range numbers and the Incoming
Forwarded Range numbers of the port you wish to forward.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
Figure 5-27: Port Range Forwarding
Figure 5-28: Port Triggering
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35
Chapter 5: Configuring the Gateway
The Applications and Gaming Tab
Wireless-G ADSL Gateway
DMZ
The DMZ screen (see Figure 5-29) allows one local user to be exposed to the Internet for use of a special-purpose
service such as Internet gaming and videoconferencing through DMZ Hosting. DMZ hosting forwards all the ports
for one computer at the same time, which differs from Port Range Forwarding, which can only forward a
maximum of 10 ranges of ports.
DMZ Hosting. This feature allows one local user to be exposed to the Internet for use of a special-purpose
service such as Internet gaming and videoconferencing. To use this feature, select
Enabled
. To disable DMZ ,
select
Disabled
.
DMZ Host IP Address. To expose one computer, enter the computer’s IP address. To get the IP address of a
computer, refer to “Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter.”
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
Figure 5-29: DMZ
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36
Chapter 5: Configuring the Gateway
The Administration Tab
Wireless-G ADSL Gateway
Figure 5-30: Management
The Administration Tab
Management
The Management screen, shown in Figure 5-30, allows you to change the Gateway’s access settings as well as
configure the SNMP (Simple Network Management Protocol) and UPnP (Universal Plug and Play) features.
Gateway Access
Local Gateway Access. To ensure the Gateway’s security, you will be asked for your password when you access
the Gateway’s Web-based Utility. The default username and password is admin.
Gateway Username. Enter the default
admin
. It is recommended that you change the default username to one
of your choice.
Gateway Password. It is recommended that you change the default password to one of your choice.
Re-enter to confirm. Re-enter the Gateway’s new Password to confirm it.
Remote Gateway Access. This feature allows you to access the Gateway from a remote location, via the Internet.
Remote Administration. This feature allows you to manage the Gateway from a remote location via the
Internet. To enable Remote Administration, click
Enabled
.
Administration Port. Enter the port number you will use to remotely access the Gateway.
SNMP
SNMP is a popular network monitoring and management protocol.
Identification. To enable SNMP, click
Enabled
. To disable SNMP, click
Disabled
.
In the Device Name field, enter the name of the Gateway.
Get Community. Enter the password that allows read-only access to the Gateway’s SNMP information.
IMPORTANT:
Enabling remote Administration allows anyone with access to your
password to configure the Gateway from somewhere else on the Internet.
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37
Chapter 5: Configuring the Gateway
The Administration Tab
Wireless-G ADSL Gateway
Set Community. Enter the password that allows read/write access to the Gateway’s SNMP information.
UPnP
UPnP allows Windows XP to automatically configure the Gateway for various Internet applications, such as
gaming and videoconferencing.
UPnp. To enable UPnP, click
Enabled
.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
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38
Chapter 5: Configuring the Gateway
The Administration Tab
Wireless-G ADSL Gateway
Reporting
The Reporting tab, shown in Figure 5-31, provides you with a log of all incoming and outgoing URLs or IP
addresses for your Internet connection. It also provides logs for VPN and firewall events.
Log
Log. To enable log reporting, click
Enabled
.
Logviewer IP Address. Enter the IP Address to receive logs into the field.
Email Alerts
E-Mail Alerts. To enable E-Mail Alerts, click
Enabled
.
Denial of Service Thresholds. Enter the thresholds of events you want to receive.
SMTP Mail Server. Enter the IP Address of the SMTP server in the field.
E-Mail Address for Alert Logs. Enter the e-mail address for alert logs in the field.
Return E-Mail address. Enter the address for the return e-mail.
To view the logs, click the
View Logs
button.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
Figure 5-31: Reporting

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