Linksys HG200 Router Manual PDF (Setup & Configuration Guide)

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30

Chapter 5: Configuring the Home Wireless-G Gateway

The Access Restrictions Tab

Home Wireless-G Gateway

The Access Restrictions Tab

The Internet Access Tab

The

Internet Access

screen allows you to block or allow specific kinds of Internet usage. You can set up Internet

access policies for specific computers and block websites by URL address or keyword.

Internet Access Policy

. Access can be managed by a policy. Use the settings on this screen to establish an

access policy (after the

Save Settings

button is clicked). Selecting a policy from the drop-down menu will

display that policy’s settings. To delete a policy, select that policy’s number and click the

Delete

button. To view

all the policies, click the

Summary

button. (Policies can be deleted from the

Summary

screen by selecting the

policy or policies and clicking the

Delete

button. To return to the Internet Access screen, click the

Close

button.)

Status

. Policies are disabled by default. To enable a policy, select the policy number from the drop-down menu,

and click the radio button beside

Enable

.

To create an Internet Access policy:

1.

Select a number from the

Internet Access Policy

drop-down menu.

2.

To enable this policy, click the radio button beside

Enable

.

3.

Enter a Policy Name in the field provided.

Figure 5-23: Internet Access

Figure 5-24: Internet Policy Summary

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31

Chapter 5: Configuring the Home Wireless-G Gateway

The Access Restrictions Tab

Home Wireless-G Gateway

4.

Click the

Edit List of PCs

button to select which PCs will be affected by the policy. The

List of PCs

screen will

appear. You can select a PC by MAC Address or IP Address. You can also enter a range of IP Addresses if you

want this policy to affect a group of PCs. After making your changes, click the

Save Settings

button to apply

your changes or

Cancel Changes

to cancel your changes.

5.

Click the appropriate option,

Deny

or

Allow

, depending on whether you want to block or allow Internet access

for the PCs you listed on the

List of PCs

screen.

6.

Decide which days and what times you want this policy to be enforced. Select the individual days during

which the policy will be in effect, or select

Everyday

. Then enter a range of hours and minutes during which

the policy will be in effect, or select

24 Hours

.

7.

If you want to block websites with specific URL addresses, enter each URL in a separate field next to

Website

Blocking by URL Address

.

8.

If you want to block websites using specific keywords, enter each keyword in a separate field next to

Website

Blocking by Keyword

.

9.

You can filter access to various services accessed over the Internet, such as FTP or telnet, by selecting

services from the drop-down menus next to

Blocked Services

.

Then enter the range of ports you want to filter.

If the service you want to block is not listed or you want to edit a service’s settings, then click the

Add/Edit

Service

button. Then the

Port Services

screen will appear.

To add a service, enter the service’s name in the

Service Name

field. Select its protocol from the

Protocol

drop-down menu, and enter its range in the

Port Range

fields. Then click the

Add

button.

To modify a service, select it from the list on the right. Change its name, protocol setting, or port range. Then

click the

Modify

button.

To delete a service, select it from the list on the right. Then click the

Delete

button.

When you are finished making changes on the

Port Services

screen, click the

Apply

button to save changes.

If you want to cancel your changes, click the

Cancel

button. To close the

Port Services

screen and return to

the

Access Restrictions

screen, click the

Close

button.

10. Click the

Save Settings

button to save the policy’s settings. To undo the policy’s settings, click the

Cancel

Changes

button.

Figure 5-25: List of PCs

Figure 5-26: Add/Edit Service

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32

Chapter 5: Configuring the Home Wireless-G Gateway

The Applications and Gaming Tab

Home Wireless-G Gateway

The Applications and Gaming Tab

The Single Port Forwarding Tab

Single Port Forwarding

Use the

Single Port Forwarding

screen when you want to open a specific port so users on the Internet can see the

servers behind the Gateway (such servers may include FTP or e-mail servers). 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.

•

Port Map List. In this section you will customize the port service for your applications.

•

Application. Enter the name of the application in the field provided.

•

External Port and Internal Port. Enter the External and Internal Port numbers.

•

Protocol. Select the protocol you wish to use for each application:

TCP

or

UDP

.

•

IP Address. Enter the IP Address of the appropriate computer.

•

Enabled. Click

Enabled

to enable forwarding for the chosen application.

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: Single Port Forwarding

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33

Chapter 5: Configuring the Home Wireless-G Gateway

The Applications and Gaming Tab

Home Wireless-G Gateway

The Port Range Forwarding Tab

The

Port Range 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.)

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 of the application in the field provided.

•

Start and End. Enter the starting and ending numbers of the port range you wish to forward.

•

Protocol. Select the protocol you wish to use for each application:

TCP

,

UDP

, or

Both

.

•

IP Address. Enter the IP Address of the appropriate computer.

•

Enable. Click the

Enable

checkbox to enable forwarding for the chosen application.

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 5-28: Port Range Forwarding

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34

Chapter 5: Configuring the Home Wireless-G Gateway

The Applications and Gaming Tab

Home Wireless-G Gateway

The Port Triggering Tab

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. 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.

•

Triggered Range. Enter the starting and ending port numbers of the Triggered Range.

•

Forwarded Range. Enter the starting and ending port numbers of the Forwarded Range.

•

Enable. Click the

Enable

checkbox to enable port triggering for the chosen application.

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: Port Triggering

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