Zhone 6519-X1 User Manual page 57

Enter a filter name, information about the source address (from the WAN side), and information
about the destination address (to the LAN side). Select the protocol and WAN interface to apply
the filter to, then click Save/Apply to add the setting.
You can view and delete the incoming filter settings in the Add Ip Filter -- Incoming screen.
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65xx-A1 Family Router Users Guide
57