ZoneAlarm Firewall is not available for Mac but there are some alternatives that runs on macOS with similar functionality. The best Mac alternative is Little Snitch. It's not free, so if you're looking for a free alternative, you could try Little Snitch Mini or Murus Firewall. If that doesn't suit you, our users have ranked more than 25 alternatives to ZoneAlarm Firewall and seven of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to ZoneAlarm Firewall are Radio Silence, DataCever, Vallum and TripMode.
Firewall application for monitoring and controlling outbound network connections, notifying users of attempted access, supporting rule-based blocking, real-time alerts on suspicious activity, and preventing unauthorized data transmission on macOS systems.
As soon as you’re connected to the Internet, your apps can send whatever they want to wherever they want, unnoticed by you, because all of this happens invisibly under the hood.
Murus is a frontend for the OS X PF network firewall. From basic filtering to advanced proactive options, Murus allows to easily configure a complex network setup dragging and dropping icons and moving sliders and selecting checkboxes.
Radio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible.
DataCever allows you to monitor and control internet traffic , allowing you to know what consumes your data plan.
Outbound firewall for apps, blocking apps from accessing internet. Useful for reducing data usage when tethering to mobile data, or on a slower wifi connection.
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