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25
Chapter 6: Setting up and Configuring the Router
Setup Tab - Password
10/100 16-Port VPN Router
Setup Tab - Password
The Router's default User Name and Password is
admin
, and it is strongly recommended that you change the
Router's password from the default to a unique password.
Old Password. Enter the old password. The default Password is
admin
when you first power up the Router.
(The password cannot be recovered if it is lost or forgotten. If the password is lost or forgotten, you have to reset
the Router to its factory default settings, which will remove all of your configuration changes.)
New Password. Enter a new password for the Router. Your password must have 15 or fewer characters and
cannot contain any spaces.
Confirm New Password. Re-enter the new password to confirm it.
Click the
Save Settings
button to save your new password, or click the
Cancel Changes
button to undo the
change.
Setup Tab - Time
The Router uses the time settings to time stamp log events, automatically update the Content Filter List, and
perform other activities for other internal purposes.
To set the local time, select
Set the local time using the Network Time Protocol (NTP) automatically
or
Set
the local time Manually
.
Automatic
Select your time zone from the
Time Zone
drop-down menu. If you use Daylight Savings, then click the checkbox
and enter the appropriate dates. Enter the URL or IP address of the NTP server in the
NTP Server
field. The default
Time Zone is
Pacific Time
.
Manual
Enter the time in the
Hours
,
Minutes
, and
Seconds
fields. Then enter the date in the
Month
,
Day
, and
Year
fields.
Click the
Save Settings
button to save your changes, or click the
Cancel Changes
button to undo the changes.
Figure 6-15: Time - Manual
Figure 6-13: Password
Figure 6-14: Time - Automatic
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26
Chapter 6: Setting up and Configuring the Router
Setup Tab - DMZ Host
10/100 16-Port VPN Router
Setup Tab - DMZ Host
The DMZ (Demilitarized Zone) Host feature allows one local user to be exposed to the Internet for use of a
special-purpose service such as Internet gaming or video conferencing. Although Port Range Forwarding can
only forward 10 ranges of ports maximum, DMZ hosting forwards all the ports to one PC at the same time.
In the
DMZ Private IP Address
field, enter the local IP address of the computer you want to expose. The default
value of 0 deactivates the DMZ Host.
Click the
Save Settings
button to save your change, or click the
Cancel Changes
button to undo the change.
Setup Tab - Forwarding
The
Forwarding
screen allows you to set up port range forwarding and port triggering applications. Port range
forwarding can be used to set up public services or other specialized Internet applications on your network, while
port triggering can be used to set up triggered ranges and forwarded ranges for Internet applications.
Port Range Forwarding
Port forwarding can be used to set up public services on your network. When users from the Internet make
certain requests on your network, the Router can forward those requests to computers equipped to handle the
requests. If, for example, you set the port number 80 (HTTP) to be forwarded to IP address 192.168.1.2, then all
HTTP requests from outside users will be forwarded to 192.168.1.2.
You may use this function to establish a web server or FTP server via an IP gateway. Make sure that you enter a
valid IP address. (You may need to establish a static IP address in order to properly run an Internet server.) For
added security, Internet users will be able to communicate with the server, but they will not actually be
connected. The packets will simply be forwarded through the Router.
1.
Select the Service you want from the pull-down menu.
2.
If the Service you need is not listed in the menu, click the
Service Management
button to add the new
service. The
Service Management
screen will appear. Enter a name in the
Service Name
field. From the
Protocol
drop-down menu, select the protocol it uses. Enter its range in the
Port Range
fields. Click the
Add
to List
button. Then, click the
Save Setting
button to save your changes. Click the
Cancel Changes
button to
cancel your changes. Click the
Exit
button to return to the
Forwarding
screen.
If you want to modify a service you have created, select it and click the
Update this service
button. Then,
click the
Save Setting
button to save your changes. Click the
Exit
button to return to the
Forwarding
screen.
Figure 6-16: DMZ Host
Figure 6-17: Forwarding
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27
Chapter 6: Setting up and Configuring the Router
Setup Tab - Forwarding
10/100 16-Port VPN Router
If you want to delete a service you have created, select it and click the
Delete selected service
button. Then,
click the
Save Setting
button to save your changes. Click the
Exit
button to return to the
Forwarding
screen.
If you want to add another service, click the
Add New
button. Enter a name in the
Service Name
field. From
the
Protocol
drop-down menu, select the protocol it uses. Enter its range in the
Port Range
fields. Click the
Add to List
button. Then, click the
Save Setting
button to save your changes. Click the
Cancel Changes
button to cancel your changes. Click the
Exit
button to return to the
Forwarding
screen.
3.
On the
Forwarding
screen, enter the IP address of the server that you want the Internet users to access. Then
click the
Enable
checkbox to enable this port range forwarding entry.
4.
Click the
Add to List
button, and configure as many entries as you would like, up to a maximum of 30. To
delete an entry, select it and click the
Delete selected application
button.
Port Triggering
Port triggering allows the Router to watch outgoing data for specific port numbers. The IP address of the
computer that sends the matching data is remembered by the Router, so that when the requested data returns
through the Router, the data is pulled back to the proper computer by way of IP address and port mapping rules.
Some Internet applications or games use alternate ports to communicate between the server and LAN host.
When you want to use these applications, enter the triggering (outgoing) port and alternate incoming port in the
Port Triggering table. Then the Router will forward the incoming packets to the LAN host.
1.
For each application, complete the
Application Name
,
Trigger Port Range
, and
Incoming Port Range
fields.
2.
Click the
Add to List
button, and configure as many entries as you would like, up to a maximum of 30. To
delete an entry, select it and click the
Delete selected application
button.
Click the
Save Settings
button to save your changes, or click the
Cancel Changes
button to undo your changes.
Click the
Show Tables
button to see the details of your port range forwarding and port triggering entries.
Figure 6-18: Service Management
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28
Chapter 6: Setting up and Configuring the Router
Setup Tab - UPnP
10/100 16-Port VPN Router
Setup Tab - UPnP
UPnP, Universal Plug and Play, can be used to set up public services on your network. When the UPnP function is
enabled, Windows XP can modify these entries via UPnP.
1.
Select
Yes
to enable the UPnP function.
1.
Select the Service you want from the pull-down menu.
2.
If the Service you need is not listed in the menu, click the
Service Management
button to add the new
service. A new screen will appear. Enter a name in the
Service Name
field. From the
Protocol
drop-down
menu, select the protocol it uses. Complete the
Internal
and
External Port
fields. Click the
Add to List
button.
Then, click the
Save Setting
button to save your changes. Click the
Cancel Changes
button to cancel your
changes. Click the
Exit
button to return to the
UPnP
screen.
If you want to modify a service you have created, select it and click the
Update this service
button. Then,
click the
Save Setting
button to save your changes. Click the
Exit
button to return to the
UPnP
screen.
If you want to delete a service you have created, select it and click the
Delete selected service
button. Then,
click the
Save Setting
button to save your changes. Click the
Exit
button to return to the
UPnP
screen.
If you want to add another service, click the
Add New
button. Enter a name in the
Service Name
field. From
the
Protocol
drop-down menu, select the protocol it uses. Complete the
Internal
and
External Port
fields. Click
the
Add to List
button. Then, click the
Save Setting
button to save your changes. Click the
Cancel Changes
button to cancel your changes. Click the
Exit
button to return to the
UPnP
screen.
3.
On the
UPnP
screen, enter the name or IP address of the server that you want the Internet users to access.
Then click the
Enable
checkbox to enable this UPnP entry.
4.
Click the
Add to List
button, and configure as many entries as you would like, up to a maximum of 30. To
delete an entry, select it and click the
Delete selected application
button.
Click the
Save Settings
button to save your changes, or click the
Cancel Changes
button to undo your changes.
Click the
Show Tables
button to see the details of your UPnP entries.
Figure 6-19: UPnP
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29
Chapter 6: Setting up and Configuring the Router
Setup Tab - One-to-One NAT
10/100 16-Port VPN Router
Setup Tab - One-to-One NAT
One-to-One NAT (Network Address Translation) creates a relationship that maps valid external addresses to
internal addresses hidden by NAT. Devices with internal addresses may be accessed at the corresponding
external IP addresses, as long as they are valid.
To create this relationship between internal and external addresses, define internal and external address ranges
of equal length. (The Router’s WAN IP address may not be included in the range of external addresses.) Once that
relationship is defined, the device with the first internal address is accessible at the first IP address in the
external address range, the second device at the second external IP address, and so forth.
For example, consider a LAN to which the ISP has assigned external IP addresses ranging from 209.19.28.16 to
209.19.28.31, with 209.19.28.16 used as the Router’s WAN IP (NAT public) address.The internal address range of
192.168.168.1 to 192.168.168.255 is used for the devices on the LAN. Typically, only devices that have been
designated as public LAN servers will be accessible from the Internet. However, with One-to-One NAT, the
machines with the internal IP addresses of 192.168.168.2 to 192.168.168.15 may be accessed at the
corresponding external IP addresses.
One-to-One NAT does not change how the firewall functions work. Access to LAN devices from the Internet will
not be allowed unless the appropriate network access rules are established, the appropriate forwarding entries
are enabled, or the appropriate authenticated user sessions are established.
Before configuring the One-to-One NAT settings, set up the appropriate Access Rules on the
Firewall - Access
Rules
screen, or set up the appropriate forwarding entries on the
Setup - Forwarding
screen.
To use the One-to-One NAT feature, click the
Enable
box. To set up a One-to-One NAT entry, follow these
instructions:
1.
In the
Private Range Begin
field, enter the beginning IP address of the private address range being mapped.
This will be the IP address of the first machine that will be accessible from the Internet.
2.
In the
Public Range Begin
field, enter the beginning IP address of the public address range being mapped.
(This will be assigned by the ISP.) The Router’s WAN IP (NAT public) address cannot be included in this range.
3.
Enter the number of IP addresses in the
Range Length
field. This number may not exceed the number of valid
external IP addresses. To map a single address, use a Range Length of 1.
4.
Click the
Add to list
button, and configure as many ranges as you would like, up to a maximum of 64. To
delete an entry, select it and click the
Delete selected range
button.
Click the
Save Settings
button to save your settings, or click the
Cancel Changes
button to undo your changes.
Figure 6-20: One-to-One NAT
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