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Page 41 / 132 Scroll up to view Page 36 - 40
Firewall Tab
36
Viewing Your Firewall Summary
The Firewall Summary page provides summary information and links to the most commonly used security-
related features of your system.
To access the Firewall Summary page:
•
Open a Web browser and access the gateway user interface by entering
•
Click the
Firewall
tab to open the View Firewall Summary page.
Figure 15. View Firewall Summary Page
The Firewall Settings panel displays the Current Settings for your firewall.
•
Default.
Unsolicited inbound traffic is not allowed to pass through the firewall.
•
Custom.
Applications are associated with computers on your network.
An access list shows the computers (Devices) on your network and the names of the Allowed Applications
for each computer. When you allow application traffic, external users on the Internet can have limited
access to your home network. This access might be required to allow some programs (such as game
servers or instant messaging software) to operate properly.
For example, a remote game player on the Internet might need to contact the game server program that you
have installed on your home network in order to play against you. Normally, the firewall blocks this
communication. By changing the firewall settings, this communication is permitted to pass through a
“pinhole” in the firewall. This function may be referred to as “port-mapping” or “port-forwarding” in your
software program documentation.
Page 42 / 132
Firewall Tab
37
Click
VIEW DETAILS
to access the Firewall Details page, which shows a list of all the devices that have
applications configured in the firewall and the details of these configurations.
Figure 16. View Firewall Details Page
If you have the Firewall Monitor enhanced service, the Firewall Monitor panel shows a brief summary of the
number of attacks that were blocked for the current day and week. Click
VIEW DETAILS
to access the Monitor
the Firewall page.
Hosting an Application
When you host an application on your network for Internet users to access, you must configure the 2Wire
gateway firewall to pass through specific application data to a selected computer.
To host an application:
•
Open a Web browser and access the gateway user interface by entering
•
Click the
Firewall
tab.
Page 43 / 132
Firewall Tab
38
•
Click the Firewall Settings
link under the tab to open the Edit Firewall Settings page.
Figure 17. Edit Firewall Settings Page
1.
From the
Select a computer
pull-down menu, select the computer that you wish to host the application.
2.
Click the
Allow individual application(s)
radio button.
3.
In the Applications panel, select an application.
4.
Click the
ADD >
button. The application you selected now appears in the Hosted Applications pane.
5.
Click
DONE
.
To stop hosting an application:
1.
In the Hosted Applications panel, select the application you wish to stop hosting.
2.
Click the
< REMOVE
button.
3.
Click
DONE
.
Page 44 / 132
Firewall Tab
39
Updating the Application Profile List
If the application you want to host does not appear in the Application Profile list, you may need to update
the application list. If an update is available, the
UPDATE APPLICATION LIST
button appears above the list of
application profiles. If the application that you want to host is not included in the updated application list,
you may need to add your own application profile.
Adding an Application Profile
If you wish to host an application that is not included in the Application Profile list, you can add an
application using the Add Application Profile page.
An application profile configures your system’s firewall to pass through application-specific data. This
feature is typically used if the application for which you would like to pass through data to a given computer
is new or has been recently updated to a new version.
To create a new application profile:
•
Open a Web browser and access the gateway user interface by entering
•
Click the
Firewall
tab.
•
Click the Firewall Settings
link under the tab to open the Edit Firewall Settings page.
•
In the Applications panel, click the
Add a new user-defined application
link to open the Edit Application
page.
Figure 18. Edit Application Page
Page 45 / 132
Firewall Tab
40
1.
In the
Application Name
field, enter a name for the application profile. You can enter any name you like,
although it’s recommended that you use the name of the application (for example, Redwing Game
Server).
2.
In the Definition panel, create a definition for your application.
A definition consists of a series of protocol-specific ports that are to be allowed through the firewall.
This information should be contained in the documentation provided by the company that produces the
application.
a.
In the
Protocol
field, select the
TCP
or
UDP
radio button. If the application you are adding requires
both, you must create a separate definition for each.
b.
In the
Port (or Range)
field, enter the port or port range the application uses.
For example, some applications may require only one port to be opened (such as TCP port 500);
others may require that all TCP ports from 600 to 1000 be opened.
c.
In the
Protocol Timeout (seconds)
field, you may optionally enter a value for the amount of time that
can pass before the application “times out.” You can also leave the field blank, in which case the
system uses the default values (86,400 seconds for the TCP protocol; 600 seconds for the UDP
protocol).
d.
In the
Map to Host Port
field, enter a value that will map the port range you established in step b to
the local computer. For example, if you set the value to 4000 and the range being opened is 100 to
108, the forwarded data to the first value in the range will be sent to 4000. Subsequent ports will
be mapped accordingly; 101 will be sent to 4001, 102 will be sent to 4002, etc.
e.
From the
Application Type
drop-down menu, select the application type. If you do not know the
application type, select None (Default).
3.
Click
ADD DEFINTION
to add the values to the profile definition list.
4.
Click
DONE
.
Repeat these steps for each port or range of ports required for the application profile.
To edit or delete an application profile:
•
Open a Web browser and access the 2Wire gateway user interface by entering
•
Click the
Firewall
tab.
•
Click the Firewall Settings
link under the tab to open the Edit Firewall Settings page.

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