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LuLu

LuLu is the free macOS firewall:

Documentation:
Full details and usage instructions can be found here.

To Build:
LuLu should build cleanly in Xcode (though you will have to remove code signing constraints, or replace with your own Apple developer/kernel code signing certificate).

To Install:
Simply run the installer application: LuLu Installer.app

brew install lulu

To Support:
❤  Love this product and want to support it? Please check out my patreon page :)

Mahalo!
LuLu is supported by the "Friends of Objective-See" such as:


...the standard in apple enterprise management.

...modern apple mdm & security for enterprise & education.

...next-generation apple enterprise management.

...the world’s most-loved password manager.

...an all-in-one package to awesomize your Mac.