Install command:
brew install --cask radio-silence

Name: Radio Silence

Network monitor and firewall

/api/cask/radio-silence.json (JSON API)

Cask code on GitHub

Current version: 3.2

radio-silence requires a kernel extension to work.
If the installation fails, retry after you enable it in:
    System Preferences → Security & Privacy → General

For more information, refer to vendor documentation or this Apple Technical Note:


Installs (30 days)
radio-silence 22
Installs (90 days)
radio-silence 61
Installs (365 days)
radio-silence 209
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