Network Security with pfSense

pfSense features

Let's discuss the pfSense features through a use-case diagram:

The preceding diagram gives you an idea of how pfSense plays a vital role in the network. The ISP Modem/Router connects pfSense to the internet. The Switch connects pfSense to various desktops.

In this scenario, pfSense acts as a DHCP Server, Firewall, and NAT device. It can play these roles distinctly or all at the same time simultaneously.

Let's explore some other standard features of pfSense:

• The DHCP Relay Agent feature serves the DHCP service for all clients.
• The Firewall feature filters requests and responses by source and destination IPs, and source and ...