# Little Snitch Outbound firewall for macOS. Source: [Console review]() Website: [https://www.obdev.at/products/littlesnitch/index.html]() Profile updated: 2026-10-16 Category: [Operating systems]() ## Supported tech stack Research checked: 2026-10-11 ### Runs on - macOS (Operating system) Source: [Research source]() Documented compatibility; coverage may be incomplete. Written in describes implementation, not user-project language support. Network monitor and application firewall for macOS. ## Console’s review — 2024-08-22 Reviewed: 2024-08-22 Author: [David Mytton]() Citation: [This review]() ### What we like Shows everything that makes outbound connections. Allows you to control and review what is talking to who. Granular controls for allowing/denying by IP, hostname, process. Knows when binaries change so you can review rules. Can import regularly updating block lists e.g. known malware hosts. Has explainers for common programs so you know what they are. ### Tradeoffs Very noisy after you first install it - reveals how much is actually making outbound connections! Binary change alerts can be annoying if you’re developing code that compiles. This review reflects Console’s assessment at publication on 2024-08-22. Features and limitations may have changed since the review date. ## Is Little Snitch a fit? Based on [Console’s review published on 2024-08-22](). Summary updated: 2026-10-16 ### Who it’s for Users who want to control outbound connections on macOS should consider Little Snitch ### Why consider it Little Snitch allows users to control and review what is talking to who with granular controls ### Keep in mind The tool can be very noisy after installation and binary change alerts can be annoying [Selection criteria]() · [About Console]() · [Browse tools]()