The Firewall – Network Monitor application gives you the full control over your Mac, protects the privacy of your computer, prevents unwanted network connections. Full Network Transparency!
Network Monitor
Discloses outgoing, incoming connections to your Mac
Keeps records of the applications’ actions
Reveals hidden services running on the computer
Network Filter
Protects your Mac with Firewall
Blocks unknown connections
Informs about new network activities of applications
Benefits
Personalized Firewall Filter rules
Optional Filter modes available: Silent, Alert, and Non-distractive Operation
What’s New:
Version 2.0
Added statistics on incoming / outgoing traffic for each process
Bug fixes and improvements
Compatibility: macOS 10.15 or later