The macOS firewall in System Settings allows you to protect your Mac and filter network traffic based on a set of rules.. Several sites, including mullvad.net have reported that after macOS ...

The Windows Subsystem for Linux 2 will bypass the Windows 10 firewall and any configured rules, raising security concerns for those who use the feature. In a blog post today, Mullvad VPN explained ...

In today's How-To we'll show you how to build a firewall out of an old PC with a live Linux CD and some spare ethernet cards. It's the perfect use for that machine with the dead hard drive (or no ...

Users can edit these rules later to fine-tune the firewall or import/export rules from/to other systems. The app is also coded in Go and Python, comes with support for systemd, and uses a Qt5 ...

firewall are "top-down, first-match wins", where the first criteria met (source, destination, port/service) causes the action associated with the rule to fire (deny, block, allow, etc).