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LuLu

Home / Downloads / Security / LuLu

LuLu

by objective-see

Latest stable 4.5.3Released Oct 20, 2026

A macOS firewall that alerts you to outgoing connections and lets you allow or block applications.

Windowsnot supported
macOSsupported
Linuxnot supported

Stable 4.5.3Oct 20, 2026

macOS (DMG)
SHA-256e50625191b5f9fedd56c545f2d630993470dbba0bc12d85b737372c79cc91aff
SHA-512b76d3fb1bacb9368d5bcbd72288d3b062d9ac0fef90113182a35112fab7388ca2995fec2d9fc606e45ce45cbdee31ea35c7c6f0a9222b4864115e295bd5edce1
SHA-19aa83407bd1f8b50c5848b7e7e5ea51de2dd4e6d
MD5ded3fd49d24b45bd565dcf74f3e890d8
- GitHub

or from command line

brew
brew install --cask lulu

Stable 4.5.3 Oct 20, 2026
Stable 4.5.2 Oct 18, 2026
Stable 4.5.1 Aug 5, 2026
Stable 4.5.0 Aug 3, 2026
Stable 4.4.3 Jul 28, 2026
Stable 4.4.2 Jul 27, 2026
Stable 4.4.1 Jul 27, 2026
Stable 4.4.0 Jun 17, 2026
Stable 4.3.2 May 3, 2026
Stable 4.3.1 Mar 17, 2026
Stable 4.3.0 Mar 13, 2026
Stable 4.2.1 Feb 1, 2026
Stable 4.2.0 Oct 31, 2025
Stable 4.1.0 Oct 9, 2025
Stable 4.0.1 Sep 1, 2025
Stable 4.0.0 Aug 25, 2025
Stable 3.1.5 Apr 15, 2025
Stable 3.1.4 Apr 6, 2025
Stable 3.1.3 Mar 29, 2025
Stable 3.1.2 Feb 17, 2025
Stable 3.1.1 Feb 11, 2025
Stable 3.1.0 Feb 3, 2025
Stable 3.0.1 Jan 20, 2025
Stable 3.0.0 Jan 1, 2025
Stable 2.9.7 Dec 18, 2024
Stable 2.9.6 Oct 15, 2024
Stable 2.9.5 Oct 15, 2024
Stable 2.6.3 Mar 6, 2024
Stable 2.6.2 Feb 2, 2024
Stable 2.6.1 Feb 2, 2024

Homepage Stable notes Source

Updated Oct 20, 2026

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