IPsec VPN Courses

Automating Multi-vendor and Cloud Networks Using Ansible
Pluralsight

Securing Network Communication with Cisco VPNs
Pluralsight

Fortinet NSE
YouTube

FortiGate Firewall
YouTube

FortiGate Cookbook Tutorials
Fortinet via YouTube

Implantando e Configurando o firewall Fortigate
Udemy

Security Platforms, IPsec, and Troubleshooting
Juniper Networks via Coursera