Installing Firewalld on Ubuntu 18.04

Firewalld is a firewall management application designed for Linux operating systems. It provides a dynamic and flexible way to manage firewall rules to enhance the security of your system. Firewalld offers a user-friendly command-line interface and a graphical interface (firewall-config) to configure firewall settings.

To install Firewalld on Ubuntu 18.04, follow the steps below:

sudo apt update

sudo apt install firewalld

sudo systemctl start firewalld

sudo systemctl enable firewalld

1. Open a terminal on your Ubuntu system.
2. Update your package list using the command:
3. Install Firewalld by running the following command:
4. Once the installation is complete, start the firewalld service by typing:
5. To enable the Firewalld service to start automatically at system boot, use the command:

You have successfully installed Firewalld on your Ubuntu 18.04 system.