ZTE MF20E Manual De Usuario página 73

 MAC/IP/Port Filtering: Enable or disable the MAC/IP/Port Filtering.
 Default Policy: Choose Accept or Drop the packet that doesn't match with any roles.
 Source MAC address: Set the source MAC address that will be filtered.
 Dest IP Address: Set the destination IP address that will be filtered.
 Source IP Address: Set the source IP address that will be filtered.
 Protocol: Set which protocol will be used for filtering.
 Dest Port Range: Set the destination port numbers that will be filtered.
 Source Port Range: Set the source port numbers that will be filtered.
 Action: Set how to handle the packet if it matches with the rule.
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Comment: Type content without space for the filter settings.