User`s guide

SpeedStream Wireless DSL Gateway Advanced Features
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Firewall
A firewall is a system designed to prevent unauthorized access to or from a private network. The firewall
screen provides a listing of options to be enabled or disabled as well as links to configure the more
complex details of each feature. Note: Clicking the “Configure” hyperlink next to an option for the
firewall allows you to customize a particular setting.
1. From the “Security Settings” window, click Firewall Settings. The system responds with the
"Firewall Settings" window.
Figure 66: Firewall Settings Window
2. Select the checkboxes for all options you wish to use. For each option, click the link to verify or
change configuration settings.
3. Optionally, click Configure next to any of the security, gaming, and support options for further
configuration of the firewall.
4. Please see the next section in this document titled Security Level.
Security Level
Security level refers to how much access is permitted from your gateway to the Internet or other
networks.
To use the security level feature:
1. Select the "Level" checkbox.
2. Click the "Configure" hyperlink next to the "Level" heading.
3. Select one of the following options from the "Select Firewall Level" drop-down.
4. Select the firewall security level appropriate for your needs and click Apply. Available options are:
• Off: No firewall protection. Data can move freely both in and out of the gateway.
• Low: Provides basic firewall protection. Attack detection is enabled and only ports well known to
the gateway can allow the flow of data.