LuLu is a free, open-source firewall for macOS that lets you monitor and control outgoing app connections. It prompts to allow or block connection attempts, remembers rules, and includes the Netiquette monitor for live network activity. #LuLu #macOS
Keypoints
- LuLu controls outgoing network traffic on macOS, complementing the built-in incoming firewall.
- Installation requires enabling the LuLu Network Extension and following the initial configuration steps.
- The Netiquette companion app shows current network activity from the status bar for monitoring.
- Alerts display the app name and destination and let you allow, block, or adjust rules, with decisions remembered.
- LuLu is open-source and lets you manage trusted system process exceptions to reduce unnecessary alerts.
Read More: https://www.helpnetsecurity.com/2026/04/27/product-showcase-lulu-macos-firewall/