Your Mac already has a built-in firewall. Here’s how to get more from it
Your Mac comes with a built-in firewall, but it’s probably not something you’ve given much thought to. A firewall helps control incoming connections—requests from apps and other devices that want to connect to your Mac—giving you an extra layer of protection whenever you’re online. For most people, the default settings work just fine. But if you ever want more control over how your firewall works, whether you’re on public Wi-Fi or want to adjust which apps can connect, those settings aren’t…
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