Turn On/Off firewall of your mac using terminal/CMD

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ometimes, in our mac machine, our firewall setting is not let us do the changes, and the system not let us allow to do the "Turn On" or "Turn Of", in this we can do turn on the firewall or turn off the firewall by just one command.
Let's see how we can do turn on or turn off the firewall setting by command. In this article, we will show you how to turn off the firewall setting by command with the help of actual and tested screenshots.

Initial State:

Turn on/off firewall of your mac using terminal/CMD

Turn on by using below command:

sudo defaults write /Library/Preferences/com.apple.alf globalstate -int 1

Turn on/off firewall of your mac using terminal/CMD

Now you can see, your firewall setting has changed:

Turn on/off firewall of your mac using terminal/CMD

Now, for turn off run below command:

sudo defaults write /Library/Preferences/com.apple.alf globalstate -int 0

Turn on/off firewall of your mac using terminal/CMD

Turn on/off firewall of your mac using terminal/CMD

That's it..

In conclusion, knowing how to turn on/off the firewall of your Mac using the terminal or command prompt can be a valuable skill for any Mac user. While the Firewall is an essential security feature, there may be situations where you need to disable it temporarily or enable it if it's turned off. The steps to do so are relatively straightforward and can be completed in just a few simple commands.
However, it's important to remember that turning off the Firewall leaves your computer more vulnerable to potential security threats, so it should only be done when necessary and with caution. Overall, learning how to use the terminal/CMD to control your Mac's firewall is a useful tool to have in your arsenal of Mac troubleshooting skills.