OPNsense Firewall
The overall plan for the Proxmox network is to simulate a business network, so we’ll definitely need a solid firewall to control our traffic.
Download and Verify
After downloading the ISO, we’ll verify its integrity by generating a hash of the image and comparing it to the hash on the OPNsense website.
I’m verifying the hash from a Mac, so I used the following command:
This is the result, which matches what OPNsense provided:
Already running into problems…
On boot, we’re greeted with an error “Boot failed: Could not read from CDROM” and “Boot failed: not a bootable disk”.
A quick google search led me to this result on reddit, which mentioned switching from a VGA image to a DVD image. We’ll give that a shot.
(source: https://www.reddit.com/r/Proxmox/comments/rxohnu/opnsense_cant_boot_for_first_time/)
Booting successful
Now that we’ve uploaded the proper file to Proxmox, OPNsense is now opening up properly and greets us with this screen:
To Be Continued
Next, we’ll begin the installation.