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
Open a terminal on your Ubuntu system.
Update your package list using the command:
Install Firewalld by running the following command:
Once the installation is complete, start the firewalld service by typing:
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.
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