Starting with macOS 10.15.4 the above “Legacy System Extension” message will be shown when Little Snitch is installed.
Your Firewall provides protection against unwanted access from the Internet. Little Snitch gives you control over your private outgoing data, so you can have control over your privacy.
→ Please read this blog post to learn more about why this message is shown.
Will there be an update of Little Snitch that’s compatible with macOS 10.16?
Little Snitch Alternative
Yes. We are going to release Little Snitch 5 later this year, which will be compatible with macOS 10.16. → Learn more…
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Will I get the update for free?
Zoom Download
Yes. All licenses sold now include a free upgrade to Little Snitch 5. In addition, customers who purchased Little Snitch 4 within a one-year period prior to the final release of Little Snitch 5 will also get a free upgrade. → Learn more…
Will Little Snitch 4 run on macOS 10.16?
Little Snitch Crack
Little Snitch 4 will not be loaded on macOS 10.16 by default, but there will still be an option to allow the loading. → Learn more…