Wireless security is generally controlled through a nice GUI these days. It is relatively straight forward to administer as most users are home users. Home networks are configured for the masses and are not necessarily secure especially if used in business. Below are some key features exampled using Cisco Packet Tracer's WRT300N Router
SSID Cloaking
By default home routers display their SSID (ie BT7891XN). The SSID is the name of the network. This is a security risk and should be hidden to avoid an open door. In the below image the SSID broadcast is set to disabled which prevents the SSID being displayed to available devices and it will need to be entered manually in order to connect.
Access Restrictions
To edit access restrictions and only allow certain IP addresses and MAC addresses to connect, under access restrictions click edit list.
This will allow you to enter the IP ranges or specific IP addresses allowed to connect to your wireless networks
Configuring keyword blocking is important these days if you have young children, but also certain websites that you may not want to see your colleagues or family members access are also very important measures.
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