Vallum 4

macOS Application Firewall

The new appfirewall for macOS 11 Big Sur

Vallum 4 offers a new way to protect your privacy and to increase your Mac’s security. Vallum 4 is based on the new macOS System Extensions API, it’s designed for Big Sur and runs natively on all Apple computers. Vallum 4 is fast, light and easy to use.

online help

See what’s new:

Inbound filtering and popup alerts for inbound connections

Match connections by hostname or domain

Fully customizable inbound and outbound rulesets

Optimize your rules using groups, apps groups or matching apps by signature type or by developer

Rules conditions based on current network settings like SSID and interface

Powerful rules editor

Improved popup notifications

No kernel extensions, everything runs in userland using app extensions

Vallum 4 is a free upgrade

Price List

Secure ordering through Fastspring service worldwide. Prices do not include VAT. PayPal or credit cards accepted.

Try before you buy! You can evaluate Vallum trial for an unlimited period of time.


Vallum 4.0.1

Vallum 4 requires macOS 11.2 Big Sur.
Old Vallum versions for macOS 10 are available here