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Advanced Setup
The port filters currently created are displayed, and if you want to delete
any of them just click the Delete link.
To add a new port filter, click the Add Filter link. The following page is
displayed:
Enter parameters according to the following:
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•
•
•
•
When you have made your settings, click the
return to the Port filter list where your new port filter is displayed.
Note:
1553-ZAT 759 95 Uen C – July 2005
Source IP Address and Mask;
If you wish to filter packets originating from a certain node or subnet,
enter the IP address and subnet mask that identifies this node on the
network.
Destination IP Address and Mask;
If you wish to filter packets addressed to a certain node or subnet,
enter the IP address and subnet mask that identifies that destination
node on the Internet. The Mask field is disregarded if you leave it as
0.0.0.0.
Protocol;
Select the protocol you want to use in the drop-down list.
Source/Destination Port Range;
Enter the starting and ending port numbers that identify the service that
you want to filter, e.g. web service is on port 80 and FTP on port 21.
Direction;
From the drop-down lists, choose whether to filter the packets that are
incoming (In) or outgoing (Out) with respect to the interface. The action
can be "Allow" or "Block".
To save the port filters permanently, you MUST perform a Save
Config. From the left hand menu, select Advanced Setup > Save
Config and then click the
button. You will now
Apply
button.
Save
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