Arris WTM552 Router Manual PDF (Setup & Configuration Guide)

Page 41 / 79 Scroll up to view Page 36 - 40

Touchstone® WTM552 Telephony Modem User’s Guide

41

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

Configuring Virtual Servers

Follow these steps to allow outside access to servers on your internal network.

1

Click the Firewall link in the navigation menu, then click Virtual Servers.

The Virtual Servers window appears.

2

Proceed as follows:

3

Click the

Save

button at the bottom of the page (you may need to scroll

down) to save your changes.

4

Proceed to

Configuring Client IP Filters

.

If

you want to…

Then

…

Add a well-known service

Choose the desired service from the

Add

drop-down menu and then click the

Add

button.

Add a custom service

Fill in a row as follows:

•

Description: the service name.

•

Inbound port: the beginning and ending

ports of the range required to support

this service. These are the ports that

outside clients use to access your server.

•

Type: Choose TCP or UDP. If the service

requires passing both TCP and UDP

packets, you must create a second row.

•

Private IP address: the IP address of the

server on your internal network.

•

Private port: the beginning and ending

ports of the range required by this ser-

vice. The private ports may be different

from the Inbound ports.

Enable or disable a

service

Check (or clear) the box in the

Enable

column

next to the service.

Remove a service

Choose the row to remove in the

Clear Entry

drop-down menu and click the

Clear

button.

Page 42 / 79

Touchstone® WTM552 Telephony Modem User’s Guide

42

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

Configuring Client IP Filters

Follow these steps to configure client IP filters.

1

Click the Firewall link in the navigation menu, then click Client IP Filters.

The Client IP Filters window appears.

2

Fill in the fields as follows:

a.

IP: the beginning and ending address in a range of IP addresses. To

block only one address, use the same address twice.

b.

Port: the beginning and ending port in a range of ports. To block only

one port, enter the same port twice.

c.

Type: choose one of TCP, UDP, or BOTH.

d.

Block Time: choose Always to set up a permanent block, or Block to

specify days and times to block access.

e.

Day: choose the beginning and ending day of the week that this block is

effective.

f.

Time: choose the beginning and end time of day that this block is effec-

tive.

g.

Enable: check this box to activate the block, or clear the check to disable

the block.

3

Click the

Save

button to save your changes.

4

Proceed to

Configuring MAC Address Filtering

.

Page 43 / 79

Touchstone® WTM552 Telephony Modem User’s Guide

43

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

Configuring MAC Address Filtering

Follow these steps to configure MAC Address filtering.

1

Click the Firewall link in the navigation menu, then click MAC Address Filter-

ing.

The MAC Address Filtering window appears.

2

Click the Add button to add a blank row to the filter list.

3

Enter the MAC address of the computer you want to add to the filter. Do not

enter colons or dashes in between the hex digits. See the sidebar for infor-

mation about finding the MAC address of a computer.

Note:

Make sure you enter the MAC address correctly. The Telephony Mo-

dem may completely block access if you enter an incorrect address.

4

Click the

Save

button to save your changes.

5

Proceed to

Configuring the DMZ

.

Finding the MAC Address of a computer

Locate the operating system of the computer that you

want to add to the list and follow the instructions to find

its wireless MAC address.

Windows

: open a Command Prompt window and type

ipconfig /all

(and press Return). Locate the line that

begins with “Description” and contains the word “Wire-

less.” The next line, which starts with “Physical Address,”

contains a string of six hex numbers, separated by

dashes. This is the MAC address.

MacOS X

: open a Terminal window and type

ifconfig

(and press Return). Find the line that begins with “en1”

— this is the wireless adapter. The next line that begins

with “ether” contains the MAC address of the wireless

interface.

Linux

: open a shell window and type

ifconfig

(and press

Return). The wireless interface is eth1 (unless there is no

Ethernet adapter, in which case the interface is eth0).

Page 44 / 79

Touchstone® WTM552 Telephony Modem User’s Guide

44

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

Configuring the DMZ

Certain Internet applications, such as gaming or video conferencing, may not work

properly with computers behind a firewall. For these situations, the Telephony Mo-

dem supports a “DMZ” feature that lets you place a single PC outside the firewall.

Note:

A computer placed in the DMZ is not protected from attackers. Enable

the DMZ only when necessary and make sure the computer in the DMZ

has the latest security updates installed.

Follow these steps to place a computer in the DMZ.

1

Click the Firewall link in the navigation menu, then click DMZ.

The DMZ window appears.

2

Enter the IP address of the computer that you want to place in the DMZ in

the

Private IP

field.

3

Check the

Enable

box.

4

Click the

Save

button to save your changes.

The DMZ light on the Telephony Modem front panel lights up to remind you

that your computer is operating without firewall protection.

5

When you are finished using the DMZ, return to this screen, remove the

check from the Enable box, and click the

Save

button.

The DMZ light on the Telephony Modem front panel turns off.

6

Proceed to

Configuring DDNS

.

Page 45 / 79

Touchstone® WTM552 Telephony Modem User’s Guide

45

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

Configuring DDNS

The public IP addresses assigned to your Telephony Modem can change from time

to time. If you are providing services from your private network (using the Virtual

Servers feature), you should use Dynamic DNS (DDNS) to associate your current

IP address with a domain name. The Telephony Modem directly supports several

major DDNS providers.

After setting up a DDNS account, follow these steps to configure the Telephony Mo-

dem to contact the DDNS provider.

1

Click the Firewall link in the navigation menu, then click DDNS.

The DDNS window appears.

2

Choose your DDNS provider from the

DDNS Service

drop-down menu.

3

Enter your DDNS account name, password, and DDNS domain name in the

appropriate fields.

4

Click the

Update DDNS

button.

Note:

Your domain name may not be immediately associated with your cur-

rent IP address. Updated DNS information takes some time to propagate

across the Internet.

5

Proceed to

Configuring Wireless Bridging

.

Jump directly to one of the following topics:

•

Configuration Basics

•

Accessing the Configuration Interface

•

Configuring System Settings

•

Setting Up Your WAN Connection

•

Setting the MAC Address

•

Setting Up DNS

•

Configuring the LAN Channel and Name

•

Configuring Wireless Security

•

Configuring the Firewall

—

Configuring Virtual Servers

—

Configuring Client IP Filters

—

Configuring MAC Address Filtering

—

Configuring the DMZ

•

Configuring DDNS

•

Configuring Wireless Bridging

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