Install pfSense 2.5.2 Firewall

pfSense is a firewall software used to monitor and control incoming and outgoing network traffic based on predetermined security rules, pfSense installs a physical computer or virtual machine. This step by step tutorial covers how to install pfSense 2.5.2 firewall.

Minimum Hardware Requirements for installing pfSense 2.5.2

  • CPU: 64-bit amd64 (x86-64) compatible
  • RAM: 1GB
  • Disk drive: 8 GB or larger
  • Network interface: One or more

Demo environment (Virtual)

  • CPU: 64-bit
  • RAM: 4GB
  • Disk drive: 60GB
  • Network interface: 2

Download pfSense 2.5.2

Install pfSense 2.5.2

Create a bootable DVD or USB installation media, insert it, and start your Computer. For VirtualBox, Hyper-V and VMware users only need to attach the ISO file during VM creation.

1. Read the License terms and agree to them and press Enter key.

Install pfsense firewall

2. Select Install – Install pfSense and press Enter key.

Install pfsense firewall

3. Select Continue with default keymap and press Enter key.

Install pfsense firewall

4. Select Auto (ZFS) Guided Root-on-ZFS and press Enter key.

Install pfsense firewall

5. Select Proceed with Installation and press Enter key.

Install pfsense firewall

6. Select Stripe – No Redundancy and press Enter key.

Install pfsense firewall

7. Select the disk on which you want to install pfSense 2.5.2and press Enter key.

Install pfsense firewall

8. Select YES and press Enter key.

It will ask you to format the selected disk, if it’s the new disk you should format or if it contains any important data you should take a backup before formatting the disk.

Install pfsense firewall

9. The installation should start, wait for it to finish.

Install pfsense firewall

10. Select No and press Enter key.

Install pfsense firewall

11. pfSense 2.5.2 has been installed, reboot the machine and configure the networking and more in the next step.

Install pfsense firewall

12. Type n and press Enter key. In our example, we did not configure VLAN.

Install pfsense firewall

13. Type xn0 and press Enter key. In our example, we configured the xn0 interface as WAN

Install pfsense firewall

14. Type xn1 and press Enter key. In our example, we configured the xn1 interface as WAN.

Install pfsense firewall

15. Type y and press Enter key.

Install pfsense firewall

16. Choose option 2 and press Enter key to change the LAN IP Address

  • WAN IP address will be assigned from DHCP.
  • LAN IP address will be default as 192.168.1.1
Install pfsense firewall

17. Type 2 and press Enter key.

Install pfsense firewall

18. Type IP Address for LAN and press Enter key.

  • LAN IP: 192.168.2.1
Install pfsense firewall

19. Type subnet mask (as in CIDR notation) and press Enter key.

  • CIDR: 24
Install pfsense firewall

20. Press Enter key.

Install pfsense firewall

21. Press Enter key.

Install pfsense firewall

22. Type n and press Enter key. In our example, we did not configure DHCP Server on LAN.

Install pfsense firewall

23. Type y and press Enter key.

Install pfsense firewall

24. Press Enter key

Install pfsense firewall

After finishing the LAN IP address configuration, you are able to access the pfSense web interface. Open a browser software, enter the IP address of your pfSense firewall, and access the web interface. Enter User name and Password and click sign in.

Install pfsense firewall

Default Username and Password

  • Username: admin
  • Password: pfsense
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