OS X 使用 terminal 关闭防火墙

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This command lets you turn the build in OS X firewall on and off, on both for
specific services or essential services. It works with OS X 10.5, 10.6, 10.7 and
10.8. It also works via Apple Remote Desktop.

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To turn the firewall off :

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    

参考

https://raymii.org/s/snippets/OS_X_-_Turn_firewall_on_or_off_from_the_command_line.html

• #mac
• #OSX