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
