radio-silence ☆
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Description:
Network monitor and firewall
Type: Cask  |  Latest Version: 3.4@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: firewall network-monitor privacy security macos
Install: brew install --cask radio-silence
About:
Radio Silence is a network monitoring and firewall application for macOS that blocks unwanted network connections without complex configuration. It provides a simple interface to monitor all network activity and block connections on a per-app or global basis. The tool helps users maintain privacy and security by preventing apps from phoning home or accessing the internet without permission.
Key Features:
  • Real-time network activity monitoring
  • Application-based firewall rules
  • Simple, non-intrusive interface
  • Blocks connections without complex configuration
Use Cases:
  • Preventing apps from tracking user activity
  • Blocking ads and telemetry at the network level
  • Controlling which applications can access the internet
Alternatives:
  • Little Snitch – More feature-rich but complex and expensive
  • Lulu – Free and open-source alternative with similar functionality
Version History
Detected Version Rev Change Commit
Apr 11, 2026 7:25pm 3.4 0 VERSION_BUMP 1bb9dd6c
Dec 24, 2023 9:24am 3.2 0 VERSION_BUMP 9c677338
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