Firewall

Manage Firewall

If ufw (Uncomplicated Firewall) is not found when you try to use it with sudo, it typically means that ufw is not installed on your system. Here’s how you can install and use ufw on Ubuntu:

Installing ufw on Ubuntu

  1. Update Package Index:

    sudo apt update
    
  2. Install ufw:

    sudo apt install ufw
    
  3. Verify Installation: After installation, you can verify ufw is installed correctly by checking its version:

    ufw --version
    

Using ufw to Manage Firewall Rules

Once installed, you can use ufw to manage your firewall settings. Here are some common commands:

Additional Notes

By following these steps, you should be able to install and use ufw to manage firewall rules on your Ubuntu system effectively.