Inbound Rules (Port Forwarding) - NETGEAR DGN2200v1 User Manual

To set up firewall rules:
Select Security > Firewall Rules to display the following screen:
1.
To add an inbound or outbound rule:
2.
For an outbound rule, click Add under Outbound Services.
•
For an inbound rule, click Add under Inbound Services.
•
To edit or delete a rule, select its button on the left side and click Edit or Delete.
3.
To change the order of precedence:
4.
a. Select its button on the left side of the table and click Move.
b. At the prompt, enter the number of the new position and click OK.
To open or close instant messaging, select one of the following radio buttons:
5.
Close IM Ports. Disables instant messaging traffic.
•
Open IM Ports. Enables instant messaging traffic. IM ports are open by default.
•
Click Apply to save your settings.
6.

Inbound Rules (Port Forwarding)

Because the modem router uses Network Address Translation (NAT), your network presents
only one IP address to the Internet, and outside users cannot directly address any of your
local computers. However, by defining an inbound rule you can make a local server (for
example, a Web server or game server) visible and available to the Internet.
The rule tells the modem router to direct inbound traffic for a particular service to one local
server based on the destination port number. This is also known as port forwarding. Allowing
inbound services opens holes in your firewall. Enable only those ports that are necessary for
your network. The following are two examples of inbound rules.
44 | Chapter 4. Content Filtering Settings
N300 Wireless ADSL2+ Modem Router DGN2200