Little Snitch
macOS
About
A macOS firewall that monitors and controls outgoing network connections with a visual alert
Mac Compatibility
Apple Silicon Native
Intel Compatible
Little Snitch is a sophisticated macOS firewall that monitors outgoing network connections and lets you decide which apps are allowed to connect — with real-time visual alerts.
Mac-Specific Features
- Outgoing Firewall: See and control every outgoing connection from your Mac
- Network Monitor: Real-time visualization of connections in a sidebar map
- Rules: Define permanent rules for apps, servers, and domains
- Silent Mode: Automatically apply rules without prompting
Installation Options
Homebrew
brew install --cask little-snitch
Direct Download
Download from obdev.at/products/littlesnitch/download.html
System Requirements
- Runs on macOS on both Intel and Apple Silicon Macs
- macOS 11 or later
Pricing
- Paid license — free trial available
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Package Manager Installation
Homebrew Cask (macOS)
brew install --cask little-snitchInstall
Copy and run one of these commands locally to install Little Snitch.
brew install --cask little-snitch