Internet Filters For Mac
Client internet filtering and parental control software review (Purchased and installed on your computer[s]) Here is a chart of some of the leading software products available. MAC address filtering adds an extra layer to this process. Before letting any device join the network, the router checks the device's MAC address against a list of approved addresses. If the client's address matches one on the router's list, access is granted as usual; otherwise, it's blocked from joining.
How MAC Address Filtering Works RELATED: Each device you own comes with a unique media access control address (MAC address) that identifies it on a network. Normally, a router allows any device to connect — as long as it knows the appropriate passphrase. With MAC address filtering a router will first compare a device’s MAC address against an approved list of MAC addresses and only allow a device onto the Wi-Fi network if its MAC address has been specifically approved.
Your router probably allows you to configure a list of allowed MAC addresses in its web interface, allowing you to choose which devices can connect to your network. MAC Address Filtering Provides No Security So far, this sounds pretty good. But, so any device could pretend to have one of those allowed, unique MAC addresses. MAC addresses are easy to get, too. They’re sent over the air with each packet going to and from the device, as the MAC address is used to ensure each packet gets to the right device.
RELATED: All an attacker has to do is monitor the Wi-Fi traffic for a second or two, examine a packet to find the MAC address of an allowed device, change their device’s MAC address to that allowed MAC address, and connect in that device’s place. You may be thinking that this will not be possible because the device is already connected, but a “deauth” or “deassoc” attack that forcibly disconnects a device from a Wi-Fi network will allow an attacker to reconnect in its place. We’re not exagerating here.
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Can use to eavesdrop on a packet, run a quick command to change their MAC address, use aireplay-ng to send deassociation packets to that client, and then connect in its place. 
This entire process could easily take less than 30 seconds. And that’s just the manual method that involves doing each step by hand — never mind the automated tools or shell scripts that can make this faster. WPA2 Encryption Is Enough RELATED: At this point, you may be thinking that MAC address filtering isn’t foolproof, but offers some additional protection over just using encryption. That’s sort of true, but not really. Basically, as long as you have a strong passphrase with WPA2 encryption, that encryption will be the hardest thing to crack.
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If an attacker can, it will be trivial for them to trick the MAC address filtering. If an attacker would be stumped by the MAC address filtering, they definitely won’t be able to break your encryption in the first place. Think of it like adding a bicycle lock to a bank vault door. Any bank robbers that can get through that bank vault door will have no trouble cutting a bike lock. You’ve added no real additional security, but every time a bank employee needs to access the vault, they have to spend time dealing with the bike lock. It’s Tedious and Time-Consuming RELATED: The time spent managing this is the main reason you shouldn’t bother.
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When you set up MAC address filtering in the first place, you’ll need to get the MAC address from every device in your household and allow it in your router’s web interface. This will take some time if you have a lot of Wi-Fi-enabled devices, as most people do. Whenever you get a new device — or a guest comes over and needs to use your Wi-Fi on their devices — you’ll have to and add the new MAC addresses. This is on top of the usual setup process where you have to plug in the Wi-Fi passphrase into each device. This just adds additional work to your life. That effort should pay off with better security, but the miniscule-to-nonexistent boost in security you get makes this not worth your time.