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RangeMax Dual Band Wireless-N Modem Router DGND3300 User Manual
3-7 Protecting Your Network
v1.0, January 2010
Firewall Rules
You can use this screen to create firewall rules to block or allow specific traffic. This feature is
for advanced administrators only! Incorrect configuration will cause serious problems.
The Firewall Rules screen lists all existing rules for outbound traffic and inbound traffic. If you
have not defined any rules, only the default rules are listed. You can add or edit rules. You can also
use the Move and Delete buttons to move the selected rule to a new position in the table, or to
delete the selected rule.
From the modem router menu, select Firewall Rules to display the following screen:.
• Outbound Services. This lists all existing rules for outbound traffic. If you have not defined
any rules, only the default rule will be listed. The default rule allows all outgoing traffic.
• Inbound Services. This lists all existing rules for inbound traffic. If you have not defined any
rules, only the default rule will be listed. The default rule blocks all inbound traffic.
• Ports to enable MSN and AOL Instant Messaging are open by default. To close these ports,
select the Close IM Ports radio button, and then click Apply so that your changes take effect.
When these ports are closed Instant Messaging will not function.
Figure 3-4