A memory leak in Apple’s Network Extension framework

Norbert on Little Snitch, Little Snitch Mini — November 14, 2024

Is it normal for the Little Snitch Network Extension to consume Gigabytes of memory? No it isn’t. Unfortunately that’s another new bug in the Network Extension framework of macOS. It’s a memory leak in Apple’s framework, which developers…

Apple’s built-in macOS firewall breaks third-party firewalls

Norbert on Little Snitch, Little Snitch Mini — November 13, 2024

Starting with macOS 15 Sequoia, Apple’s built-in firewall is causing troubles when used together with third-party firewalls that are based on Apple’s Network Extension framework (which is actually the only way for third-party developers to create…

Did it block?

Norbert on Little Snitch Mini — July 4, 2023

How effective are blocklists actually? Let’s find out! Blocklists are a fine thing. With just a few mouse clicks they are set up and immediately they effectively protect against unwanted Internet connections to tracking servers, advertising…

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