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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
Installation
Configuration
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
Installation
Configuration
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
Installation
Configuration
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
Installation
Configuration
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
Installation
Configuration
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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