User's Manual

Port Filtering
This is a new feature. It allows the radio to block requests for certain IP’s or ports to and from devices behind
the router. For example, if a customer wishes to block access to FTP from this network to the outside world, you
would
1. Click Add
2. Select Deny
3. Select Source IP Range. Assuming that the clients are on 192.168.1.0/24, then the source IP would be
192.168.1.1 to 192.168.1.254
4. Select Desintination IP Range. Assuming that the entire outside world was to be blocked, then 0.0.0.0
should entered. 0.0.0.0 indictes all IP’s
5. Select Source Port Range. In this case, enter 0 for all Ports
6. Ignore ICMP type. This field allows you to block certain types of ICMP as a prevention against port scanning
and some viruses
7. Select the Protocol. In this case it would be TCP
8. You must click Apply Changes to save the rule