How to block apps from accessing Internet on Mac

In the process of using applications on macOS, there will be some applications that you just want to use offline because that has all the necessary features. Or in another case, you don’t want an application to check your copyright via the internet. As a macOS user, Hieu also encounters this situation. In this article, Hieu will introduce a way to block apps from accessing the Internet on Mac using Radio Silence, this is the method that Hieu is using.

Benefits of using Radio Silence

Hieu knows that there are many ways to block an app from accessing the internet on a Mac. But which method Hieu himself finds to be the simplest, most compact, and most effective, Hieu will introduce it. These are the benefits when you using Radio Silence.

  1. Protect your privacy, and prevent apps from connecting the internet to their servers, this helps you save bandwidth for your WiFi.
  2. Doesn’t take up much memory or RAM, very compact.
  3. No need to open the application window, Radio Silence will run in the background with only about 6MB of RAM. Does not affect the performance of the device.
  4. The latest version is compatible with both Intel chips and M1 and M2 chips.
  5. User-friendly interface, easy to use.
  6. The cost is very low, only $9 for permanent use, but Hieu will give you some permanent keys in this article.
  7. It was there more than 10 years ago and is still updated today.

Radio Silence installation instructions

Step 1: To install Radio Silence, you need to turn off Gatekeeper on Mac first. Then download the installation file using the button below and extract the zip file on Mac.

Ratio Silence helps block an app from accessing the internet on macOS
Ratio Silence helps block an app from accessing the internet on macOS

Step 2: Open the PKG file to start installing Radio Silence. Just keep clicking until the installer displays a notification that the installation was successful.

Installing Ratio Silence is very simple
Installing Ratio Silence is very simple

Step 3: Open Radio Silence and enter the License Key. Hieu has included a few keys for you in the TXT file. Please choose any key to enter and then click Activate License.

Enter the key that Lucid Gen has given you in the extracted file
Enter the key that Lucid Gen has given you in the extracted file

Step 4: Give Radio Silence full permission. Follow the app’s requests and click Allow when the app asks for permission.

Grant full permissions to Ratio Silence for it to work
Grant full permissions to Ratio Silence for it to work

So you now have an application that can block apps from accessing the Internet on Mac. Please read the next section to learn how to use it.

Block apps from accessing Internet on Mac

Step 1: To block an app from accessing the internet, click the Block Application button.

Click the Block Application button to block apps from accessing Internet
Click the Block Application button to block apps from accessing Internet

Step 2: Go to the Applications folder and find the application that you want to block from accessing the internet. Note that you must select the application file, not the application folder. Applications like Adobe on Mac often have folders with icons similar to the application, so it’s easy to get confused.

Select the app that you want to block from connecting to the internet on macOS
Select the app that you want to block from accessing the internet on macOS

Step 3: Check if you have selected the correct application file. Please drag the Radio Silence window wider to see the file extension. It should be “.app” to be correct.

List of applications that have been blocked from connecting to the internet on Mac
List of applications that have been blocked from accessing the internet on Mac

To temporarily allow the application to access the internet again, you just need to turn the ON button to OFF without having to delete the application from the list.

Conclusion

With just a compact, sophisticated application like Ratio Silence, you can easily block an app from accessing the internet on macOS. This app needs to run in the background to be effective, so you shouldn’t uninstall it if you still need the feature, but with only 6MB of RAM, it’s not worth it. Please leave your opinion below in the comments section.

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Trần Ngọc Minh Hiếu

Trần Ngọc Minh Hiếu

I am currently working as a Data Analyst; before that, I worked in Digital Marketing. Blogging is a joy, helping me share my knowledge and experiences from life and work. You can donate to me here.

4 thoughts on “How to block apps from accessing Internet on Mac”

    • I alway keep Gatekeeper off, but you can try to turn it on and check is there any problem

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