macOS Firewalls Unchained



Murus unleashes the great power of the macOS built-in PF firewall. Protect your network resources using a very simple interface, take advantage of the many pro features available to design and implement your network infrastructure, to monitor performances and proactively filter dangerous traffic at network layer.
Murus is available in three different versions in order to meet everyone’s needs.
And there’s even more: port knocking, adaptive firewall, NAT and many other features including a blazing-fast logging system.

Murus WebSite



Vallum is an advanced application-layer firewall designed to protect your privacy intercepting inbound and outbound connections by apps running on your Mac. Using its very simple yet powerful interface you can forge your firewall ruleset simply dragging apps icons. Pro users will be able to create fully customized rulesets using the power of AFW, the core of Vallum, using a logic and a syntax very similar to PF. Additionally, Vallum includes Snail, a standalone app that allows per-app bandwidth tuning, so you can save time and money on your limited mobile data plans. And Vallum is also able to perform controls over the authenticity of your apps and certificates, so you are always sure if an app is legit or not.

Vallum WebSite



Monitor and throttle apps bandwidth on a per-app basis using a simple interface
Snail main window displays real-time apps bandwidth and total traffic
Use controls next to each app to tune apps bandwidth
Mobile data cap? Save data using Snail! Automatically enable bandwidth throttle when connected to your iPhone local hotspot and automatically disable it when connected to home wifi or ethernet network
Working from home? reduce your videocalls bandwidth usage to save data and to let more users share the same Internet connection.

Snail WebSite


Murus, Vallum and Snail are bundled together in our Murus Pro Bundle.
It is also possible to purchase Murus Basic, Vallum or Snail separately, as standalone products.



Scudo is a hybrid firewall that combines the most basic features of both Murus and Vallum in one window. Aimed at simplicity, its super-easy interface allows everyone to configure a firewall. Scudo helps protect your Mac computer’s network services from unwanted connections from remote computers and improves your privacy and security by controlling all apps' network activities. You can use Scudo to choose which apps are allowed to connect to the network, creating custom rulesets for every app and process running on your Mac. Scudo is an alternative to both Murus and Vallum and can be used only on systems where Murus and Vallum are not installed.

Scudo WebSite


Adsorb is a lightweight, fast and efficient network-level ads blocker for macOS.
Its usage is very easy, you just need to activate it from its small icon on macOS menu bar, near the clock, to block connections to well known ads services.

Adsorb WebSite
All our apps are signed using a valid Apple ID certificate and notarized using Apple Notary Service. Fully functional unlimited tryouts versions are available for all our apps, as usual. And, because we care about your privacy, our apps do not need online activation, they do not require Internet connection to install, activate or function, they do not perform online checks for license validity.

Support is free for all our customers and users. Please contact us at, you will get assistance directly from the developers.
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