How to stop the macOS firewall leaking system network data after a software update

Several sources report the firewall in macOS Sequoia can sometimes leak data after an update. Here's how to test and fix it.macOS Sequoia can sometimes leak data after an update.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 Sequoia updates, the firewall built into macOS may leak some data, allowing it to avoid firewall rules. Continue Reading on AppleInsider | Discuss on our Forums