In this section, we will see how to install and configure an Apache web server on an Ubuntu system:
- As Apache is available in Ubuntu's default software repositories, we can install it easily by using the apt installer. To install Apache and all its required dependencies, we run the following command:

- During the installation process, Apache registers itself with Ubuntu's default firewall, UFW. This provides profiles that can be used to enable or disable access to Apache through the firewall. To list the profiles, type the following command:
We can see three profiles are available for Apache. Apache refers to port 80 only, ...