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How to Activate Firewall In OS X

Posted by Lou TarDisk on 2017-08-01

Your Mac probably spends most of the day connected to the internet. While it's connected, it's perfectly possible for someone to install malware or other malicious software onto your machine.

Luckily, if you use a router (wireless or not) or an AirPort Time Capsule, you don't need to activate the firewall in your Mac. These devices come equipped with a built-in firewall.

But if you aren't using either of these devices, or you share your local internet or use the router connected straight to your Mac, you should make sure to activate the firewall. This way, you at least have one line of defense against malicious elements that might try to compromise your network or computer.

How to Activate the Firewall

  1. Click the "Apple Menu" and then click "System Preferences"How to Activate Firewall in OS X
  2. Click "Security & Privacy"How to Activate Firewall in OS X
  3. Click on the "Firewall" tab and then click on the lock to make any changeslock
  4. Click "Turn On Firewall" to activateHow to Activate Firewall in OS X

With this simple change, you can feel better about using your Mac: you've taken a step towards thwarting any would-be Mac invaders.


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