But if you are looking for an open-source firewall application to protect your Mac, get Lulu now.ĭownload Lulu for macOS from the official website. We are against using a firewall for any illegal activities like blocking the activation services of Adobe, FL Studio, or any other paid app on a Mac. They assert that paying for a firewall program like Radio Silence (costs 9$) is much affordable than owning an Adobe license. Many people purchase Little snitch and Radio Silence for blocking Adobe CC apps like Photoshop from accessing the Internet. How to block Mac (macOS) apps from accessing internet We will also tell you how to use LuLu to block Mac apps and services from accessing the internet. Check out our review of Lulu and the way to download and install it on your Mac. Lulu works on the latest macOS versions like High Sierra, Catalina, and even Big Sur. But LuLu is equally powerful, and above all, it’s a free application for managing internet connections in macOS.

Little Snitch and Radio Silence are the most popular and standalone firewall apps among macOS users. Finally, good firewall software is available for the macOS it’s called Lulu.

What if you want to block outgoing internet connections on a Mac? Here is a solution. The built-in firewall on macOS is capable of blocking incoming network connections.

Little snitch mac m1