Add IP Filter -- Incoming The screen allows you to create a filter rule to identify incoming IP traffic by specifying a new filter name and at least one condition below. All of the specified conditions in this filter rule must be satisfied for the rule to take effect. Click 'Save/Apply' to save and activate the filter. Filter Name: Protocol:   TCP/UDP TCP UDP ICMP Source IP address: Source Subnet Mask: Source Port (port or port:port): Destination IP address: Destination Subnet Mask: Destination Port (port or port:port): WAN Interfaces (Configured in Routing mode and with firewall enabled only) Select at least one or multiple WAN interfaces displayed below to apply this rule. Select All