The firewall on your Mac is a feature that allows the Mac to prevent connections you don’t want from the internet or other networks. It can also protect the Mac from network access or denial-of-service attacks.
You can even configure the firewall for a variety of settings. For instance, you can block all incoming connections, allow built-in software to receive all connections and allow or block access based on user-specified apps. This is all doable through the Security and Privacy window.
To get to the Security & Privacy window and turn off the firewall:
Click the Apple icon.
Select System Preferences.
Click Security & Privacy.
Make sure Firewall is selected at the top.
This area will be locked against changes. Click the lock at the bottom of the screen.
You will be required to enter your password. After, the lock will be open and you can make changes.
Now click Turn Off Firewall.
If you want to configure and customize the firewall, you’ll need to have the firewall on and then you can hit Firewall Options.
Check which options you wish to enable or disable.
After you are done, click the lock on the Security & Privacy window to prevent further changes.
If you’re running Ventura, you’ll need to access the firewall controls through the Apple menu > System Settings > Network on the sidebar > Firewall.
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