Linksys WRT54GSv4 Gargoyle Router Manual PDF (Setup & Configuration Guide)

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29

Chapter 5: Configuring the Wireless-G Broadband Router

The Access Restrictions Tab - Internet Access

Wireless-G Broadband Router with SpeedBooster

The Access Restrictions Tab - Internet Access

The

Internet Access

screen allows you to block or allow specific kinds of Internet usage and traffic, such as

Internet access, designated services, websites, and inbound traffic during specific days and times.

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 tab, 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

.

You can create two kinds of policies, one kind to manage Internet access and another kind to manage inbound

traffic.

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.

4.

Click the

Edit List

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. Then click the

Close

button.

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

.

Figure 5-27: Access Restrictions Tab - Internet Access

Figure 5-28: Internet Policy Summary

Figure 5-29: List of PCs

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30

Chapter 5: Configuring the Wireless-G Broadband Router

The Access Restrictions Tab - Internet Access

Wireless-G Broadband Router with SpeedBooster

7.

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

. (You can block up to 20 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.

8.

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

Website

Blocking by URL Address

.

9.

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

Website

Blocking by Keyword

.

10. Click the

Save Settings

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

Cancel

Changes

button.

Figure 5-30: Port Services

ftp

: a protocol used to transfer files over a TCP/IP network

telnet

: a user command and TCP/IP

protocol used for accessing remote PCs

url

: the address of a file located on the Internet

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31

Chapter 5: Configuring the Wireless-G Broadband Router

The Applications and Gaming Tab - Port Range Forward

Wireless-G Broadband Router with SpeedBooster

The Applications and Gaming Tab - Port Range Forward

The Applications and Gaming Tab allows you to set 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.)

To forward a port, enter the information on each line for the criteria required. Descriptions of each criteria are

described here.

Application

. In this field, enter the name you wish to give the application. Each name can be up to 12 characters.

Start/End

. This is the port range. Enter the number that starts the port range under

Start

and the number that

ends the range under

End

.

Protocol

. Enter the protocol used for this application, either

TCP

or

UDP

, or

Both

.

IP Address

. For each application, enter the IP Address of the PC running the specific application.

Enable

. Click the

Enable

checkbox to enable port forwarding for the relevant application.

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

Figure 5-31: Applications and Gaming Tab -

Port Range Forward

ip

(internet protocol): a protocol

used to send data over a network

ip address

: the address used to identify

a computer or device on a network

tcp

: a network protocol for transmitting data that requires

acknowledgement from the recipient of data sent

udp

: a network protocol for transmitting data

that does not require acknowledgement from

the recipient of the data that is sent.

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32

Chapter 5: Configuring the Wireless-G Broadband Router

The Applications and Gaming Tab - DMZ

Wireless-G Broadband Router with SpeedBooster

The Applications and Gaming Tab - DMZ

The DMZ feature allows one network user to be exposed to the Internet for use of a special-purpose service such

as Internet gaming or videoconferencing. DMZ hosting forwards all the ports at the same time to one PC. The Port

Range Forward feature is more secure because it only opens the ports you want to have opened, while DMZ

hosting opens all the ports of one computer, exposing the computer to the Internet.

Any PC whose port is being forwarded must 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.

To expose one PC, select

Enable

. Then, enter the computer's IP address in the

DMZ Host IP Address

field.

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

Figure 5-32: Applications and Gaming Tab - DMZ

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33

Chapter 5: Configuring the Wireless-G Broadband Router

The Administration Tab - Management

Wireless-G Broadband Router with SpeedBooster

The Administration Tab - Management

This section of the Administration tab allows the network’s administrator to manage specific Router functions for

access and security.

Local Router Access

. You can change the Router’s password from here. Enter a new Router password and then

type it again in the

Re-enter to confirm

field to confirm.

Remote Router Access

. To access the Router remotely, from outside the network, verify that

Enable

is selected.

Then, enter the port number that will be open to outside access. You will need to enter the Router’s password

when accessing the Router this way, as usual.

UPnP

. When using UPnP features, select

Enable

. As allowing this may present a risk to security, this feature is

disabled by default.

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

The Administration Tab - Log

The Router can keep logs of all traffic for your Internet connection. To disable the Log function, keep the default

setting,

Disable

. To monitor traffic between the network and the Internet, select

Enable

. When you wish to view

the logs, click

Incoming Log

or

Outgoing Log

, depending on which you wish to view.

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

Figure 5-33: Administration Tab - Management

Figure 5-34: Administration Tab - Log

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