Nearly every application makes network connections. So does malware. LuLu is a free, open-source firewall that blocks unknown outgoing connections, protecting your privacy and your Mac. Download v4.3.1 · macOS 10.15+ · Changelog · Source · SHA-256 ▾ DMG SHA-256 CC0366527F1F4123295FD13329A08031A660AFD256076DDAB03E6074365CEF93 Copy To install LuLu, first download the disk archive containing the appl

