How To Install OPNsense Firewall On Vmware ESXI

How To Install OPNsense Firewall On Vmware ESXI

Want to run your own firewall or router in a virtualized environment? In this comprehensive video, we’ll walk you through how to install OPNsense 25.1 on VMware ESXi, from downloading the ISO to configuring your first firewall rule. This is a perfect starting point for anyone looking to build a homelab, secure their network, or learn virtualized networking.

This tutorial is designed for beginners and intermediate users who want a clean and repeatable method of deploying OPNsense on VMware vSphere / ESXi hosts. By the end, you’ll have a fully operational virtual firewall ready for customization and further expansion.

🎯 Topics Covered in This Tutorial:

✅ How to upload the ISO to your VMware ESXi datastore

✅ Creating a virtual machine tailored for OPNsense

✅ Allocating CPU, memory, and configuring disk options

✅ Adding multiple network interfaces for LAN/WAN separation

✅ Booting from the OPNsense ISO and completing the installation

✅ Initial configuration using the console menu

✅ Accessing the web interface (GUI) for final setup


📚 Learn More:

🔗 OPNsense Documentation: https://docs.opnsense.org
🔗 VMware ESXi Docs: https://docs.vmware.com
🔗 OPNsense Forum: https://forum.opnsense.org
🔗 Networking basics: https://wiki.opnsense.org/manual/inte...

💬 Got questions or issues?
Drop a comment below, and I’ll do my best to help! I also do tutorials on advanced OPNsense features like VLAN setup, VPN configuration, IDS/IPS with Suricata, and more. Subscribe for those upcoming videos!

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