Usually, Ubuntu comes with a pre-installed ufw firewall. But in some cases like using the Ubuntu docker image or Ubuntu server-based images can be an exception and you might see that there is no firewall installed. That’s why today I will show you how to install ufw on Ubuntu 22.04.
Prerequisites
- Ubuntu 22.04
- sudo privileges
Install ufw on Ubuntu 22.04
Step 1. Update the apt packages.
sudo apt update
Step 2. Install ufw.
sudo apt install ufw
Step 3. Verify the installation.
sudo ufw status
Step 4. If it’s not activated you can activate it by running the following command.
sudo ufw enable
Conclusion
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