Cnet CWR-901 Mode D'Emploi

Ingress, Dest IP/Port: select the packet with an incoming destination IP.

Egress, Src IP/Port: select the packet with an outgoing source IP.

Ingress, Src IP/Port: select the packet with an incoming source IP.

Type: Define the packet type – TCP, UDP or IP

Port: Enter the port number.

Day: Select the Day – Sun, Mon, Tue, Wed, Thu, Fri or Sat.

Time: Define the Time range.

Enable: Check the box and enable this ACL group.

Apply: Save the parameters.

Reset: Click on “Reset” button to undo your changes.

Help: To request help information.

3.5.2 URL Filter

URL filter can identify URL strings inside any packet, with any TCP/UDP port number and filter
them. It provides eight entries and can filter packets by their source IP range.

URL String pattern to be blocked: Enter the URL strings to be blocked.

Source IP range: Enter the Source IP range that you want to block the URL string.

Enable: Check the box and enable this URL condition.

Apply: Save the parameters.

Reset: Click on “Reset” button to undo your changes.

Help: To request help information.

3.5.3 ALG

Some applications embed their IP and port information in their payload which is not NAT friendly.
An Application Layer Gateway (ALG) is a plug-in module on NAT firewall to masquerade such
application layer payloads.