TP-Link TL-R470T Plus Configuration Manual page 101

Configuring Firewall
2) Configure the required parameters and click OK:
Name
Policy
Service
Interface
Source
Destination
Effective Time
ID
Specify a name for the rule. It can be 50 characters at most. The name of
each entry cannot be repeated.
Select whether to block or allow the packets matching the rule to access the
network.
Select the effective service for the rule. The service referenced here can be
created on the Preferences > Service Type page.
Select the effective interface for the rule.
Select an IP group to specify the source address range for the rule. The IP
group referenced here can be created on the Preferences > IP Group page.
Select an IP group to specify the destination address range for the rule. The
IP group referenced here can be created on the Preferences > IP Group
page.
Select the effective time for the rule. The effective time referenced here can
be created on the Preferences > Time Range page.
Specify a rule ID. A smaller ID means a higher priority. This value is optional,
and the newly added rule without this value configured will get the largest ID
among all rules, which means the newly added rule has the lowest priority.
Firewall Configuration
Configuration Guide 94