NetComm NB6 - Manual (Page 90)

NB6, NB6W, NB6Plus4W User Guide YML854Rev1
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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.
Source/Destination IP address:
To specify IP address to allow or deny data transmission, please pull down the drop-down menu to
choose a proper one.
The setting
All means that all the IP addressed in the network are allowed or denied to pass through
in Internet.
If you choose
Single, you will have to key in the specific IP address as the start/end point to let the
router identify for granting or denying passing through.
If you choose
Subnet, you will have to enter the specific IP address and netmask as the start/end
point to let the router identify for granting or denying passing through.
Port Range:
The port range is from 0 to 65535. Please key in the start point and end point for the IP Filtering.
After finish the settings, click Apply.