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I use Mac OS X El Capitan 10.11.3 at the desktop OS. As everyone knows, is Apple's Mac OS X built on FreeBSD! I use normal only Debian/GNU/Linux on desktop and OpenBSD on Server and Firewall:

So my question: On Apples Mac OS X each can use OpenBSD's pf Firewall. But every time I re start the Apple Mac OS X El Capitan 10.11.3 the pf Firewall is switched off. So every time I reboot, first do I need a "sudo su -" on Terminal and I must start the pf with pfctl -E && pfctl -vvf /etc/pf.conf why is that so? Where could I start a program permanently on Mac OS X El Capitan 10.11.3?

PS: Mac OS X uses OpenBSD's www.Libressl.org per default and OpenBSD's pf who wants!

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OS X's primary init system is launchd. This is managed via the launchctl utility, and you will find the system's non-GUI related configuration files in /System/Library/LaunchDaemons:

sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.pfctl.plist

That -w flag will cause "Disabled" state of the job configuration to be persistently overridden. If you would like to revert this:

sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.pfctl.plist

As everyone knows, is Apple's Mac OS X built on FreeBSD!

It's built on a lot of things, the good ol' Chimera that it is. Gotta love that BSD POSIX layer and userspace subsystem, especially!

  • Thank you very much, now pf starts, but a pfctl-sa shows no rules were loaded. This is to despair. The rules are as usual in /etc/pf.conf But no rules are loaded, why only? – Vim Feb 1 '16 at 18:07

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