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tkuennen/macosfw

Created March 12, 2019 22:12
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macosfw
sudo defaults write /Library/Preferences/com.apple.alf globalstate -int 0
To turn the firewall on for specific applications/services:
sudo defaults write /Library/Preferences/com.apple.alf globalstate -int 1
To turn the firewall on for essential services like DHCP and ipsec, block all the rest:
sudo defaults write /Library/Preferences/com.apple.alf globalstate -int 2
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