Getting started with OPNSense, Open-Source Firewall(Presented by Magos/Jon)
On March 7th, 2023, Null404 member Magos(aka Jon) did a thorough intro to open-source firewall software OPNSense, which a fork from the PFSense project.
OPNSense project: https://opnsense.org/
Check out Jon on LinkedIn: / sudo-jonathan-daniels