NetComm NB6 User Manual page 75

To initiate the IP Filtering, please select the Enabled radio button and click Apply.
Select the direction to filter packets:
Inbound means the data is transferred from outside onto your computer. Outbound means the data is
transferred from your computer onto outside through Internet. Please choose Outbound traffic or
Inbound traffic as the direction for filtering packets.
To add a new Filtering rule, click Add.
This page provides some settings for you to adjust for adding a new outbound IP Filtering.
Allow Traffic:
Choose No to stop the data transmission, Yes to permit the data pass through.
Protocol:
Here provides several default policies for security levels for you to choose. If you don't want to
use the predefined setting, you can use User Defined to set a customized protocol according
to the necessity.
When you choose User Defined setting, you have to enter a port number in the "as" field.