Though, you really don’t need to worry about them as they’re checked by default.
Step 10: The options Automatically allow built-in software to receive incoming connections and Automatically allow downloaded signed software to receive incoming connections must be checked. Step 9: To add a specific third-party app, click on the Plus icon, choose an app and click Add to append it to the list. This should be checked if you’re not gonna use remote access, file sharing or any apps and require incoming connections. Step 8: Check the box next to Block all incoming connections. Step 7: Once the Firewall settings are unlocked, click Firewall Options. Step 6: Enter your password, fingerprint or any security measures you’re using. This will prompt you to verify your identity. Step 5: To enable the firewall, click the Lock icon at the bottom-left corner of the window. This will open the Firewall settings and you can see that it’s disabled. Step 3: Look for Security & Privacy and once found, click on it. Step 1: Click on the Apple icon on the top-left corner of the screen. To configure your Mac’s firewall, follow these steps: IMPORTANT NOTE: Assuming you’ve already closed the Security & Privacy windows without changing some settings, you will have to follow the steps above as the settings will be locked automatically when the window is closed. If you want to make your computer even more secure, then you have to change some Firewall options.
System apps, however, are allowed to work to their full potential. The default firewall settings are often enough to block apps and make sure you receive incoming connections that are safe. Step 7: Once the Firewall settings are unlocked, click Turn On Firewall to enable it.ĭoing so will activate your MacBook Pro’s firewall immediately. Step 5: To enable the firewall, click on the Lock icon at the bottom-left corner of the window.
When the Security & Privacy window opens, there are four tabs available for you. So follow these steps to activate the firewall on your Mac: Step 1: Click on the Apple icon on the top-left corner of the screen. So your computer natively block incoming connections and that should be among the first things you have to check when setting up your device. Your MacBook has a built-in firewall but it’s disabled by default. It works by blocking access to your computer and allowing only the incoming connections that you trust.
How To Enable Firewall on MacBookĪ firewall is your first line of defense as it serves as a barrier between your computer and malicious people and apps on the Internet. One way to make your device more secure is to enable Firewall, which blocks apps and services from accessing your computer. It is safe to assume that while your MacBook is pretty secured, there is always a possibility that someone can gain access to it and compromise your personal information, data and files. While the macOS isn’t as vulnerable as Windows, there are still a lot of people out there that are creative enough to find loopholes they can manipulate.