TP-Link TL-WR720N User Manual page 72

If the MAC Address is selected, you can see the following item:

MAC Address - Enter the MAC address of the host in XX-XX-XX-XX-XX-XX format (e.g.
00-11-22-33-44-AA).
2. Click Next when finishing creating the host entry, and the next screen will appear.

Target Description - In this field, create a description for the target. Note that this
description should be unique (e.g. Target_1).

Mode - Here are two options, IP Address and Domain Name. You can choose either of
them from the drop-down list.
If the IP Address is selected, you will see the following items:

IP Address - Enter the IP address (or address range) of the target (targets) in
dotted-decimal format (e.g. 192.168.0.23).

Target Port - Specify the port or port range for the target. For some common service
ports, you can make use of the Common Service Port item below.

Protocol - Here are four options, All, TCP, UDP, and ICMP. Select one of them from the
drop-down list for the target.

Common Service Port - Here lists some common service ports. Select one from the
drop-down list and the corresponding port number will be filled in the Target Port field
automatically. For example, if you select "FTP", "21" will be filled in the Target Port
automatically.
If the Domain Name is selected, you will see the following items:

Domain Name - Here you can enter 4 domain names, either the full name or the
keywords (for example, google). Any domain name with keywords in it (www.google.com,
www.google.cn) will be blocked or allowed.
TL-WR841N 300Mbps Wireless N Router
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