Zhone Technologies 6238-I2 - Manual (Page 39)

6238-A2-ZB20-10 6238 Wi-Fi Router with VOIP User’s Guide 39
The following screen appears when you Save/Apply the IP filter. The screen
lists the IP filters that were added from the previous screen. To change your
settings, click on the Add or Remove buttons.
IP Filtering—Incoming
Incoming IP filter filters the WAN traffic to the LAN side. Click on the Add
button to add incoming filter settings.