This page allows incoming packets to reach their intended destinations by specifying rules for unblocking certain incoming packets. You could use it any time you want to allow restricted access to a machine, or you could configure unlimited access to a particular system (for example if one of your local machines is a Web server).
Enter the following information:
Filter name: Enter a name for your inbound filter here. The name cannot contain any spaces.
Protocol: Selects TCP, UDP, or a combination of TCP/UDP.
Source IP address: Enter the external IP address you want to allow access to your internal address that appears in the Destination IP address field.
Source subnet mask: Enter a subnet mask for the source IP address.
Source port: Enter a source port number, or a range of port numbers.
Destination IP address: Enter the internal IP address you want to provide access to.
Destination subnet mask: Enter a subnet mask for the destination IP address.
Destination port: Enter the destination port number, or range of port numbers, you want to allow access (for the destination IP).
Select the applicable WAN interfaces for the filter.
After setting up your filter, click Apply.
To remove an existing filter definition from the filter table, check the Remove checkbox for the filter and click the Remove button.
Return to the Security menu options.