Encore electronic ENDSL-A2+WIG2 - Manual (Page 65)

IP Filter Set Index: The IP Filter Set Index from 1 to 12 and each index can set up to 6 IP Filter.
Interface: Choices from PVC0 to PVC7 and LAN.
Direction: Choices are Both, Incoming and Outgoing. Select which direction of data flow you
wish to apply the filters to. Note that Incoming and Outgoing are from the point of view of your
router, relative to the interface you select. For WAN, data coming from outside your system is
considered Incoming and data leaving your system is Outgoing. For LAN, data leaving your
system is considered Incoming and data entering your system is Outgoing.
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IP Filter Rule Editing: Select the IP Filter Rule Index you wish to modify.