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  1. macOS network firewall (pf) -- GUI in Cyber Security Pro Many ESET customers will be using Virtual Private Networking services. Cyber Security Pro includes an application firewall but not a network firewall. The latter is important to stop packets travelling outside the tunnel. It just so happens that macOS includes a powerful network firewall, called pf (for packet filter), that Apple brought from OpenBSD via FreeBSD. There is no operating system-included GUI to make it easy for novices to configure. Some third party front ends to pf exist, like Murus, but if ESET included its own, that would be a very powerful statement about its seriousness in helping customers to achieve sound security.
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