Learn how to block connections to your Mac with a firewall. To change these settings, choose Apple menu > System Settings, click Network in the sidebar, then click Firewall.

May 25, 2021 · Even more surprising that my Mac had a built-in firewall was the discovery that it wasn’t enabled by default. In this post, I’m going to explain what the firewall does, why it isn’t enabled by …

Oct 14, 2024 · This article contains step-by-step configuration of a firewall in MacOS. Why Firewall is Important? Configuring a firewall helps to block unwanted traffic and access to services and …

Dec 6, 2025 · Does Mac Have A Firewall? Absolutely, and this article explores its features, benefits, and best practices. Understanding the macOS Firewall The macOS firewall, often referred to as the …

Nov 27, 2025 · Summary: If you are confused about whether to turn the Mac firewall on or off, read this Mac firewall overview to get answers. From here, you'll also learn what is firewall on Mac and how to …

Oct 17, 2025 · In this post, I’ll make it clear what the Mac firewall actually does, why it matters, how to enable, disable it, and how to fine-tune the settings so your Mac isn’t just running, but running safe.

Sep 18, 2024 · Enabling and customizing the MacOS firewall is a proactive step toward enhancing your Mac’s security. By following this guide, you’re taking control of your digital safety, fortifying your …

Sep 9, 2025 · Click the Apple menu and select System Settings. In Settings, click Network in the sidebar. Click Firewall in the right window. Toggle the switch next to Firewall to turn it on. To turn it …

On your Mac, set up a firewall that can block unwanted incoming connections that put your data at risk.

Mar 26, 2025 · This guide provides a detailed step-by-step approach to turning the Mac firewall on or off, configuring advanced settings, troubleshooting issues, and understanding when it's best to enable or …