A wireless MAC filter is a device that provides your Internet connection with an extra layer of security by only allowing specific MAC address to connect to your router via Wi-Fi. It works by giving you the ability to specify the MAC addresses that are authorized to access your router. In other words, if a device attempts to connect to your Wi-Fi network and its MAC address does not correspond to any on your authorized list; it will not be able to establish a connection. In addition, the wireless MAC filter also provides you with the capabilities to block specific MAC addresses.
WHAT IS A MAC ADDRESS?
MAC is an acronym for Media Access Control; a unique address that is assigned to each network capable interface when it is manufactured. For example, your desktop PC may have several MAC addresses; one for each wireless card and LAN port. For your edification, MAC Addresses are usually formatted in a manner similar to this:
SETTING UP MAC ADDRESS FILTERING
When you have the ability to control the specific MAC addresses that can connect to your router, you are also taking steps to control that no unauthorized MAC addresses will have access. In order to make use of this option, you must make your way to the Wireless Client List button. This will show you the addresses that are currently connected to your router and will allow you to select the ones that you want added to your authorized list.
HOW TO VERIFY THE MAC ADDRESSES OF CERTAIN DEVICES
The above technique shows the easiest way to set up your MAC address filtering option, however, it is not the only option. You can also enter the authorized MAC addresses in manually; this way ensures that you are completely in control of who is able to gain access to your router.
MAC ADDRESS SPOOFING
Every single network device has a MAC address that is unique; this is assigned by the manufacturer. Still, this doesn’t remove all security risks; take, for example, MAC address spoofing. Believe it or not, there is software available that allows people to spoof and/or even change the MAC addresses of their devices. In other words, if someone were able to acquire one of the MAC addresses that is authorized on your network, they would be able to spoof its MAC address and fool your router into allowing access. Even with this possibility, a MAC address filter is still very effective and is quite useful in keeping the majority of people out.
To keep your connection safe, it is important to utilize multiple layers of security because there are many tricks that can be used to get around precautions; that no single security measure will be able to keep everyone out. Therefore, it is essential to implement several layers of security in order to make it difficult for intruders to hack into your system. There is no network that is 100% percent safe but the goal to make it as difficult as possible for an unauthorized person to gain access.