Little Snitch on a Mac
Commercial network monitor & firewall (macOS app) · Security Tools
Little Snitch (Objective Development) is the long-standing commercial macOS firewall — granular per-app inbound/outbound rules, a live network monitor and traffic map. Install the app cask; licensed separately.
Run Little Snitch with FrontierStack
FrontierStack lists Little Snitch in its Security Tools catalog. Install or connect it from one place, then monitor its status, ports and certificate, secure it with the firewall and Malware Audit, and back it up.
Run it all from one Mac app.
FrontierStack installs, monitors and secures the whole stack — locally and across your fleet — from a single native macOS app.
Download FrontierStack