![]() For example, we use pfSense and the HAproxy add-on to do SSL termination and be a reverse proxy for Guacamole. ![]() One of the other fun use cases we have, and we show it a bit more in the video, is that you can add more to this unit than just the firewall/ VPN appliance. Not only do we get fast VM reboots after a firmware upgrade, but if one has a bad firewall configuration, or a failed upgrade (not as common as it was many years ago), then reverting to a snapshot usually takes only a few seconds. One major advantage of virtualizing the firewall in this way is the ability to take snapshots. Proxmox VE Web GUI NIC Being Assigned To A Second VM Only one can be run at a time because otherwise there is a conflict on passing through the NICs. While one can have both pfSense and OPNsense installed with pass-through NICs, for example, if using this as a test appliance, there is a small catch. Proxmox VE Web GUI Pick NIC To Pass Through Here is a shot of the Intel i225-V’s being selectable to pass-through to the VM. One quick note is that some may say 16GB is too much, but as one can see from the OPNsense VM here, having more than 8GB on a virtualized firewall can be helpful if you want to run more. We did an entire guide How to Pass-through PCIe NICs with Proxmox VE on Intel and AMD and that was using this unit. These units allow one to use pass-through to virtualize the firewall appliance. The big change is that this time we virtualized the solution. ![]() There is certainly more that can be done to get more performance, but out-of-the-box for basic setups it is very good. Performance both in physical and virtualized formats was over 2.1Gbps using a lightweight set of firewall rules and doing NAT from WAN to LAN. That is why support lagged a bit since Intel was focused on Windows and Linux drivers. Intel was not fast to support the i225 on FreeBSD so the Netgate folks did some work to get it into FreeBSD. As we saw last time, you will want newer versions such as pfSense 2.6.0-RELEASE that support the Intel i225. Virtualizing a Firewall and VPN with Proxmox VEĪs one would expect, first we installed pfSense and OPNsense on bare metal and this worked exactly as one would expect. ![]()
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