LuLu is a free, open-source firewall for macOS developed by Objective-See. It blocks unauthorized outgoing network connections, allowing users to monitor and control which applications can transmit data externally. Designed for privacy and security, LuLu provides real-time prompts, rule-based filtering, and an intuitive interface, making it a valuable tool for Mac users seeking visibility over their system’s network behavior.
Features
- Blocks outgoing network connections by default
- Provides real-time alerts for unknown processes
- Customizable rules for apps and ports
- Sleek, native macOS interface
- Open-source and auditable for transparency
- Supports whitelisting signed and trusted applications
Project Samples
Categories
FirewallLicense
GNU General Public License version 3.0 (GPLv3)Follow LuLu
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