UTStarcom UT-300R2 - Manual (Page 55)

Chapter 5 Advanced Configuration / Network Management 53
To remove any rule from the IP Filters List , click on the
trashcan icon for set you want to delete.
To edit any previously entered IP filter rule, click on the Note
pad icon.
Click the Apply button to put the new rule into effect. Any filter
rule configured in the menu will appear in the Outbound or
Inbound Filters List with the new settings. The UT-300R2 must
save the new settings and reboot before the new rules are
applied.
Configuring a Filter Rule- MAC Filters
Select the other radio buttons MAC Filters to enter the page of
MAC Filters. This is to deny LAN computers to access the
Internet. You can either manually add a MAC address or select
the MAC address from the list of clients that are currently
connected to the unit.