Comtrend Corporation NexusLink 3120 User Manual page 80

Field
Filter Name
IP Version
Protocol
Source IP address
Source Port (port or port:port)
Destination IP address
Destination Port (port or port:port)
INCOMING IP FILTER
By default, all incoming IP traffic is blocked, but IP traffic can be allowed with filters.
To add a filter (to allow incoming IP traffic), click the Add button.
On the following screen, enter your filter criteria and then click Apply/Save.
Consult the table below for field descriptions.
Description
The filter rule label.
Select from the drop down menu.
TCP, TCP/UDP, UDP, or ICMP.
Enter source IP address.
Enter source port number or range.
Enter destination IP address.
Enter destination port number or range.
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