pfSense
As a network administrator, having a firewall and router in place is essential. When we talk about setting up a firewall, we have the option to either simply install a pre-configured firewall from any vendor or set up our own firewall system.
pfSense is an open source Linux distribution based on FreeBSD and is specially designed to be used as a firewall which can be managed easily through the web interface.
Getting ready
Firstly, download pfSense from the following link:
https://www.pfsense.org/download/mirror.php?section=downloads
Choose the correct computer architecture and platform as per your requirements.
After downloading pfSense, burn the ISO file to CD/DVD media, or you can even create live bootable USB media.
We also need a system with two network interface cards to install and configure pfSense.
How to do it...
To set up and configure a firewall on our own system, we need to install and configure pfSense and the following steps help us do this.
When we boot our system with the pfSense...
