LuLu
A free, open-source firewall for macOS that monitors and controls outgoing network connections.
What is LuLu?
LuLu is a free, open-source firewall application for macOS that monitors and controls outgoing network connections. It alerts users when applications attempt to connect to the internet and allows them to block or allow these connections, helping prevent unauthorized data transmission and protecting user privacy.
macOS users concerned about privacy and security who want visibility and control over which applications can access the internet from their system.
LuLu provides a free, open-source alternative to commercial macOS firewalls, offering transparent monitoring of outgoing connections with user-friendly alerts and granular control over application network access.
Overview
LuLu is the free open-source macOS firewall
Use Cases
Best For
- Monitoring which macOS applications are connecting to the internet
- Blocking unwanted data exfiltration from your Mac
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