29

Chapter 5: Configuring the Wireless-G Broadband Router with 2 Phone Ports

The Security Tab - Firewall

Wireless-G Broadband Router with 2 Phone Ports

The Security Tab - Firewall

Firewall Protection

. This feature employs Stateful Packet Inspection (SPI) for a more detailed review of data

packets entering your network environment. Select

Enable

to use this feature. Select

Disable

to disable it.

Block WAN Requests

. Enable the Block WAN Request feature by checking the box beside

Block Anonymous

Internet Requests

and you can prevent your network from being “pinged,” or detected, by other Internet users.

The Block WAN Request feature also reinforces your network security by hiding your network ports. Both

functions of the Block WAN Request feature make it more difficult for outside users to work their way into your

network. This feature is enabled by default. Select

Disabled

to allow anonymous Internet requests.

Filter Multicast

. Multicasting allows for multiple transmissions to specific recipients at the same time. If

multicasting is permitted, then the Router will allow IP multicast packets to be forwarded to the appropriate

computers. Select

Enabled

to filter multicasting, or

Disabled

to disable this feature.

Filter Internet NAT Redirection

. This feature uses port forwarding to block access to local servers from local

networked computers. Select

Enabled

to filter Internet NAT redirection, or

Disabled

to disable this feature.

Filter IDENT (Port 113)

. This feature keeps port 113 from being scanned by devices outside of your local

network. Select

Enabled

to filter port 113, or

Disabled

to disable this feature.

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

The Security Tab - VPN Passthrough

Use the settings on this tab to allow VPN tunnels using IPSec, PPTP, or L2TP protocols to pass through the

Router’s firewall.

IPSec Pass-through

. Internet Protocol Security (IPSec) is a suite of protocols used to implement secure

exchange of packets at the IP layer. To allow IPSec tunnels to pass through the Router, click

Enable

.

IPSec Pass-

Through is enabled by default.

PPTP Pass-through

. Point-to-Point Tunneling Protocol (PPTP) allows the Point-to-Point Protocol (PPP) to be

tunneled through an IP network. To allow PPTP tunnels to pass through the Router, click

Enable

. PPTP Pass-

Through is enabled by default.

L2TP Pass-through

. Layer 2 Tunneling Protocol is the method used to enable Point-to-Point sessions via the

Internet on the Layer 2 level. To allow L2TP tunnels to pass through the Router, click

Enable

. L2TP Pass-Through

is enabled by default.

Figure 5-27: Security Tab - Firewall

Figure 5-28: Security Tab - VPN Passthrough

Downloaded from

www.Manualslib.com

manuals search engine

30

Chapter 5: Configuring the Wireless-G Broadband Router with 2 Phone Ports

The Access Restrictions Tab - Internet Access

Wireless-G Broadband Router with 2 Phone Ports

Figure 5-29: Access Restrictions Tab - Internet Access

Figure 5-30: Internet Policy Summary

Figure 5-31: List of PCs

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

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). 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 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. 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

.

Downloaded from

www.Manualslib.com

manuals search engine

31

Chapter 5: Configuring the Wireless-G Broadband Router with 2 Phone Ports

The Access Restrictions Tab - Internet Access

Wireless-G Broadband Router with 2 Phone Ports

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.

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: Port Services

Downloaded from

www.Manualslib.com

manuals search engine

32

Chapter 5: Configuring the Wireless-G Broadband Router with 2 Phone Ports

The Applications and Gaming Tab - Port Range Forward

Wireless-G Broadband Router with 2 Phone Ports

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. The 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 5-33: Applications and Gaming Tab - Port

Range Forward

Downloaded from

www.Manualslib.com

manuals search engine

33

Chapter 5: Configuring the Wireless-G Broadband Router with 2 Phone Ports

The Applications & Gaming Tab - Port Triggering

Wireless-G Broadband Router with 2 Phone Ports

The Applications & Gaming Tab - Port Triggering

The

Port Triggering

screen 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.

Port Triggering

Application

. Enter the application name of the trigger.

Triggered Range

For each application, list the triggered port number range. Check with the Internet application documentation for

the port number(s) needed.

Start Port

. Enter the starting port number of the Triggered Range.

End Port

. Enter the ending port number of the Triggered Range.

Forwarded Range

For each application, list the forwarded port number range. Check with the Internet application documentation for

the port number(s) needed.

Start Port

. Enter the starting port number of the Forwarded Range.

End Port

. Enter the ending port number of the Forwarded Range.

Change these settings as described here and click the

Save Settings

button to apply your changes or

Cancel

Changes

to cancel your changes.

Figure 5-34: Applications and Gaming Tab -

Port Triggering

Downloaded from

www.Manualslib.com

manuals search engine