LuLu
LuLu is the free macOS firewall that aims to block unauthorized (outgoing) network traffic.
What is LuLu?
LuLu is the free macOS firewall that aims to block unauthorized (outgoing) network traffic.
Software Details
- Platform
- macOS
- Pricing
- Open Source
- Official Website
- objective-see.com/products/lulu.html
Overview
LuLu is the free macOS firewall that aims to block unauthorized (outgoing) network traffic.
LuLu runs on macOS and is listed on Nuanyue in the security category.
Links
Sources
Information on this page is verified against the following official sources and last reviewed on October 2, 2026.