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36
2D. Router Menu
Port Filtering
Click
Port Filtering
in the Router menu to enable port
filtering, allow selected applications Internet access,
and set up custom application Internet access.
The Port Filtering Screen
The Port Filtering screen is divided into three sections:
Filter Outgoing Traffic
Allowed Applications
Custom Applications
Filter Outgoing Traffic
The Filter Outgoing Traffic section allows you to limit
Internet access to traffic from Allowed Applications only.
Allowed Applications
Page 42 / 77
2D. Router Menu
37
Router Menu
The Allowed Applications section displays the
following:
DNS (Domain Name Server)
- select to allow/enable
domain name server.
HTTP
– select to allow/enable hypertext transfer
protocol.
HTTPS
– select to allow/enable secure hypertext
transfer protocol.
FTP
– select to allow/enable file transfer protocol.
E-mail (POP3)
– select to allow/enable post office
protocol version 3.
E-mail (IMAP)
– select to allow/enable threat model
and analysis program.
Telnet
– select to allow/enable telephone network.
RTP
– select to allow/enable real-time transport
protocol.
To select Allowed Applications:
1.
From the Port Filtering screen, select the
Enable
Port Filtering
check box.
2.
Select the check boxes for the applications you
want to allow Internet access.
3.
Click
Apply
.
Custom Applications
The Custom Applications section allows you to enter
custom application information to include in your list of
Allowed Applications.
To set up port filtering for a custom application, you will
need to know the port numbers (up to five ports or port
ranges) and the protocol (TCP, UDP, or both) the
application uses for its outgoing traffic.
1.
From the Port Filtering screen, select the
Enable
Port Filtering
check box.
Note:
The device uses standard ports for these applications. If
you have applications that do not use the standard
ports or that are not listed under Allowed Applications,
use Custom Applications.
Page 43 / 77
38
2D. Router Menu
2.
Click
Custom Applications
.
3.
Enter a name for the application and click the
Ports
link to the right of the text box.
4.
Enter the port or port range. You can enter up to
five ports or port ranges.
Single port — enter the same port number in
both fields.
Port range — enter the beginning port number in
the left field and the ending port number in the
right field.
5.
For each port number or range, select the
protocol (TCP, UDP, or both) used by that port or
port range.
6.
Click
Hide
.
7.
Click
Apply
.
Port Forwarding
Click
Port Forwarding
in the Router menu to enable
designated users or applications to reach specified
servers, such as FTP and DNS servers, on your
computer. Also, some online games require incoming
access to work properly.
Page 44 / 77
2D. Router Menu
39
Router Menu
The Port Forwarding Screen
The Port Forwarding screen is divided into two
sections:
Port Forwarding Applications
Custom Applications
Port Forwarding Applications
The Port Forwarding Applications section allows you to
enter the local static IP Address for each application
that you want to receive traffic from the Internet.
1.
From the Port Forwarding screen, select the check
box for the application you want to enable.
2.
Type the local static IP Address of the device
hosting the application into the IP Address on
WLAN box.
3.
Click
Apply
when you have finished
adding applications.
Note:
You cannot use port forwarding with a standard Sprint
data account. To use port forwarding, you must request
a static IP (sometimes called public IP) address.
Contact your direct sales representative or Sprint
Customer Service to purchase a static IP Address for
mobile applications.
Important:
You will need to set up static IP addresses on your
WLAN for each device that has an application
you want to forward.
Important:
Port forwarding creates a security risk and should
be disabled when not needed.
Page 45 / 77
40
2D. Router Menu
Custom Applications
The Custom Applications section allows you to forward
unrecognized incoming traffic to a specified client.
1.
From the Port Forwarding screen, select the check
box for an unused Application field.
2.
Type the application name, incoming port range
and IP Address of the specified client, and select
the protocol.
3.
Click
Apply
.
TCP/IP
Click
TCP/IP
in the Router menu to view the local
(WLAN) IP Address and the MAC address for your
device, to enable the DHCP Server, and to view
information on the clients connected to your device.

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