Several sources report the firewall in macOS Sequoia can sometimes leak data after an update. Here's how to test and fix it.

At one point, they used only to examine data coming in, but modern hardware firewalls also examine outgoing data, so they can ...

See packet filter. (2) (IP Filter) An open source utility developed by Darren Reed and other contributors that provides network address translation (NAT) and firewall services. It runs under ...