TP-Link TL-R470T Plus Configuration Manual page 124

Configuring Behavior Control
Figure 3-5 Configure Whitelist Rule
5) On the same page, click Add. Select "RD_Dept" as the IP Group, "Blacklist" as the Policy, "All"
as the Web Group, and "Any" as the Effective Time. Click OK.
This rule means that the hosts in the R&D department are denied access to all websites
at all times.
Figure 3-6 Configure Blacklist Rule
6) On the same page, verify your configurations. In the Web Filtering List, the rule with a smaller
ID has a higher priority. Since the router matches the rules beginning with the highest
priority, make sure the Whitelist rule has the smaller ID number. In this way, the router allows
the hosts to access the Whitelist website and denies them to access others.
Configuration Examples
Configuration Guide 117