Firewall App Blocker (Fab) is a freeware that provides an easy solution for your Windows firewall issues. This app also makes it possible for a user to overcome the Firewall barriers and use the internet.
The issue occurs when you manually try to configure the Windows Firewall. There is a hefty process comprising many steps that will then allow you to enable or disable the internet or any other access to a particular application. This app counters all these issues by providing a minimal interface.
The interface of this tool is smart, easy, and understandable. You only need to drag and drop the programs you want to blacklist or whitelist. Moreover, right-clicking on a certain program will show you options to choose from. The program is fast to apply changes to the firewall. It also contains secondary functions for further use that can also be accessed by right-clicking on an app.
How to Download Firewall App Blocker (Fab)
To download the program, click on the Download button located below this review. Check out also other programs by Sordium.org that we have reviewed, for example, DNS Angel or DNS Jumper.
The Program Review
This simple program is a stress-reliever for people who do not want to trouble their minds by blocking and unblocking the firewall. This utility software is currently available for Windows Vista to Windows 10.
If you are not English speaking, then you can go to the options to change the language of your choice. This app provides a set of almost 30 internationally popular languages. If your language isn’t available, you can translate and add your language into each window of the options for better productivity.
Although there is no advanced mechanism or customized tools inside this program, you still get a to-the-point User interface with decent settings.
The Key Features Of Firewall App Blocker (Fab)
Here are some features of this utility:
WhiteList Mode
The Whitelist mode enables you to white list all the applications present in the program. The Whitelist feature will deny any access to the network interface. After turning this feature on, simply drag and drop the items you want to whitelist, and it will be done. To enable the whitelist, tick the bottom right option, which asks to enable.
Control Commands
This tool consists of a single window that has all the main tools present in front of you. Add the programs to the list. Then there are options like Add, Delete, Export, Import, Refresh, or Home.
Block/Unblock
After adding the apps now, you have gained more options. Simply right-click on a particular program and see the list of actions you can choose. There are options like block and unblock that you can apply. You can also block or unblock all these apps at once.
Management Tools
Apart from that, there are other actions available, too, like you can delete the app from the list or rename it. You can also run the application to check if it is working. Additionally, you can also access the program’s file location, read its file properties, and refresh it after white or blacklisting it.
The Bottom Line
Firewall App Blocker (Fab) is essential for those who do not want to struggle with their Windows Firewall. It has a minimal UI with simple tools -suitable to use for everyone.
System Requirements & Key Features
Compatibility & Requirements: Requires Windows Vista through Windows 11 (x86/x64) with Windows Defender Firewall active, ~2 MB disk space, Administrator privileges.
Using Strict Whitelist Mode on Laptops and Metered Connections
Toggling Whitelist Mode blocks noisy background updaters over cellular hotspots while keeping essential browsers and games online cleanly.
Automating Inbound/Outbound Rules Without Clutter
Right-click context actions and service exports make Firewall App Blocker a staple alongside dedicated Windows security software. Users building a complete toolkit also explore Password Folder V2 in our software library.
Frequently Asked Questions
Does Firewall App Blocker (Fab) replace Windows Defender Firewall?
No – Sordum’s portable freeware Firewall App Blocker (Fab) 1.9 acts as a clean drag-and-drop graphical front end for Windows’ built-in firewall, letting you block or allow outbound and inbound `.exe` rules in one click without digging through Advanced Security menus.
What other Windows security utilities complement Firewall App Blocker?
As of November 2026, users who prefer dedicated per-app traffic notifications also compare Free Firewall alongside system maintenance tools like CCleaner.









