How To Block All Windows 10 Processes Except One

Users have been asking on the official forums if there is a way you can block all Internet activity using the Firewall, except their IP.

Download DriverFix (verified download file).
Click Start Scan to find all problematic drivers.
Click Update Drivers to get new versions and avoid system malfunctionings.
DriverFix has been downloaded by 0 readers this month.

Given that this is a prevailing question asked on plenty of other forums as well, it was decided to look into the issue.

The first solution that may pop into your head would be to just block the applications one-by-one. However, unless your PC has a fresh Windows install and there few programs and processes, this can end up being a tedious task.

Is it possible to auto block all applications incoming/outgoing internet connection except for example Firefox with default windows firewall? I would like to block everything, even including windows update and other software updates. I would like to allow only one web browser like firefox, chrome or opera.

How can you block all Windows 10 processes except one, at once?

1. Manually block processes one-by-one

While admittedly the most tedious method of them all, it is also the simplest.

This makes it excellent for those who aren’t used to using a computer too much.

Press Windows + R
Type in control.exe, which will open the Control Panel
Select View by (Top-right corner) to Category
Click on System and Security
Under the Windows Defender Firewall, select Allow an app through Windows Firewall
Deselect both boxes corresponding to each process until you finish the list

2. Make Windows Firewall block all outgoing traffic by default, then select the exceptions

This is pretty much the opposite of the method listed above, as it is best used when you have too many processes that need blocking.

Press Windows + R
Type in control.exe, which will open the Control Panel
Select View by (Top-right corner) to Small icons
Click Administrative Tools
Select Windows Defender Firewall with Advanced Security
Click Windows Firewall Properties (on the right side)
Click next to Outbound connections and select Block from the list
Confirm your changes by selecting OK
Delete the block all outgoing traffic rule

3. Use IPSec

Click Windows
Type in MMC and select it from the list
In the new window, click File
Click Add/Remove Snap-In
Select Add the IP Security Policy Snap-In
Click OK
Right-click on the middle section and click Create IP Security Policy
Follow the wizard using default values and whatever names you want
After the first wizard, a new window will appear, When it does, click Add
Click Next 3 times, and then click Add
Name it something relevant, like Block all, and click Add
Go through that wizard with just default values, and click OK at the end
Select Block All and click Next and then Add… again
Follow the wizard, and give it the name Block, then select it as an action
Repeat Steps 9-14 selecting the proper source, destination or protocol and selecting Permit in Step 14

How can you block all Windows 10 processes except one, at once?#

1. Manually block processes one-by-one#

2. Make Windows Firewall block all outgoing traffic by default, then select the exceptions#

3. Use IPSec#

How can you block all Windows 10 processes except one, at once?

1. Manually block processes one-by-one

2. Make Windows Firewall block all outgoing traffic by default, then select the exceptions

3. Use IPSec