opnsense

  1. C

    Help with VLANS / Opnsense / Mikrotik

    Hi; I'm a newbie and am looking for some guidance I have OPNSense virtualized on Proxmox. Furthermore, I have 3 physical NICs on my PC; and have created 1:1 bridges for each NIC. 1 for Wan and 1 for Lan (all good here). I have created 4 VLANs (10, 20, 30, 40) on OPNSense, and using this last...
  2. Lord Retr0

    Proxmox behind OPNsense VM

    Hello everyone, I would like to secure my Proxmox VE with OPNsense... currently ports 22 & 8006 are not forwarded to OPNsense. How i can configur it ? Here are the "/etc/network/Interfaces" auto lo iface lo inet loopback iface enp193s0f0np0 inet manual iface enx0e689c0ecab2 inet manual...
  3. T

    SFF with PVE + OPNsense. Am I overly optimistic about performance?

    Content trigger warning: this post is long I wanted to include a lot of detail though in the hope that some of it is useful, if your attention span is short then this isn't the thread you're looking for - move along! I'm a relative newbie to Proxmox VE, I've been dabbling with it less than 1y...
  4. F

    Configuring Proxmox w/ Public IPs + Cloudflared Tunnels

    Hello, Are there any guides available that I can read that give a definitive outline/diagram of what a configuration of Proxmox should look like when using Cloudflared Tunnels + Public IP addresses? From what I have read, this seems like it should be a simple, straightforward approach to...
  5. C

    PVE Kernel Upgrade; Can't access OPNSense

    Hi; I've been using PVE for 1+ months and everything has been running smoothly; I have OPNSense installed as a VM; and yesterday night following an update/upgrade (of the Kernel, as I'm already on 8.4.2); I today can't access the OPNSense Web Interface at 192.168.1.1. I am connected to the the...
  6. R

    [SOLVED] OPNsense kein DHCP über VLAN

    Hallo zusammen, ich bin der Verzweiflung nahe und hoffe daher auf Eure Expertise und Rat hier im Forum. ich ahb ein sehr ähnliches Problem wie bereits in diesem Thread von @Yann Decay beschrieben wird: https://forum.proxmox.com/threads/dhcp-funktioniert-nicht-%C3%BCber-opnsense.86723/page-2 -...
  7. C

    [SOLVED] SDN traffic allowed

    Hi, I have installed two Proxmox nodes set up as a cluster. I also set up SND with 2 VNETs on a VXLAN zone. On each node I set up an OPNSense firewall with three network interfaces, two of them on different VNETs, and a third one directly on a Proxmox bridge interface not using SDN. When I...
  8. B

    OVH Kimsufi - Proxmox - Opnsense networking with a single interface attached to server

    Hello everyone! I'm not proficient in networking, and after two days of testing, I decided to ask here if what I'm doing is correct or not. Let's start from the beginning: I just bought a Kimsufi server from OVH. A very good deal. Like every Kimsufi server, you cannot have more than one public...
  9. T

    Making multiple virtual ports available to Proxmox

    Hello, I've seen threads asking what I'm about to ask, but the answers don't really make sense. Usually it's just "oh I figured it out and did this". What that tells me is that the way I am thinking about this is wrong so I am going to be quite specific. I'm used to working with/writing...
  10. Y

    [SOLVED] DNS not working on OPNSENSE

    Hello together, I installed on one cloud server (hetzner server auction) with a single public IPv4 Proxmox and opnsense. The problem I got is that on my opnsense the DNS is not working (even on the CLI). I tried everything but did not find any misconfiguration. It's a fresh proxmox and fresh...
  11. S

    Help with High CPU Usage in OPNSense/Pfsense VM inside Proxmox

    Hi everyone, I'm experiencing an issue with high CPU usage in my OPNSense VM running inside Proxmox and could really use some help. Setup Details: Host Configuration: Proxmox Host 64 GB RAM Intel i7-8700 (mitigations=off) IOMMU enabled (iommu=on and iommu=pt in /etc/kernel/cmdline) Proxmox...
  12. T

    SDN Networking Involving VPNs

    Hello All, I've been working on separating my virtual machines and containers from my home network. I've successfully set up a simple SDN zone to serve as an isolated network, achieving my primary objective. Now, I aim to route all traffic from this SDN through a VPN tunnel to a cloud-hosted...
  13. A

    VXLAN & *sense with a cluster

    Hi all, I hope you are doing well. I’ve been researching for an answer or best practices but couldn’t really find a good solution or something straightforward. I have a 4 node cluster made up of small/tiny desktop PCs with each having a single NIC. Each PC connects directly to my home router...
  14. R

    [TUTORIAL] VLAN für ein Test-Subnetz

    Hallo zusammen, Aus meiner Ursprünglichen Problemanfrage wird nun ein kleines Tutorial und hoffe den einen oder anderen damit helfen zu können. Ziel ist es an einem oder mehreren der Ports des Switches ein anderes Subnetz für Testzwecke oder ähnliches anzubieten. Zum Einsatz kommen Switche...
  15. P

    Proxmox GUI delay connection after reboot OPNsense VM

    Hello, I bought firewall device Protectli VP2420, a 4 x 2.5 Gigabit port Firewall appliance... Loaded it with RAM (32GB), SSDs, installed debian 12 and proxmox... Virtualized OPNsense with PCIe passthrough of 3 NICs to OPNsense VM... the 4th NIC is connected to switch as proxmox gui / ssh to...
  16. P

    Is this normal cpu usage for OPNSense running iperf3?

    Here I'm running latest Proxmox 8.1 on Intel N100 with 4 Intel i226V nics with newest 6.8 kernel. I have assigned PCI passthrough for OPNSense VM for this NIC. I seem to be getting proper 1GB speeds from another machine connected to same switch so this is not a problem. Left is 'top' command...
  17. M

    VM von außen nicht erreichbar

    Hallo zusammen, ich habe folgendes Netzwerkschema: Der Proxmox-Host erreicht alle Endgeräte. Ich kann also über den vswitch (Hetzner) sowohl die Cloudserver erreichen als auch die VMs. Vom Cloudserver aus erreiche ich den Proxmox-Host, aber nicht die VMs. Die Routen sind in beiden...
  18. J

    [SOLVED] opnsense 10gbit performance and throughput limitation

    HI I want to enhance my home server infrastructure with an advance firewall solution based on opnsense, pfsense or ipfire in a virtualized enviorment based on proxmox. As this would allow my do this in a power and cost effiecent way, while still allow me to utilizing the 10G connection from my...
  19. M

    Hetzner - running 3 Proxmox hosts behind dedicated firewall

    Hello everyone, This is a question about possibilities, because I cannot seem to find anything like this when searching. This may be more of a Hetzner issue but it looks like folks on here are pretty well versed in Hetzner so I am hoping someone has some ideas. The premise: I am attempteng...
  20. Z

    LXC Container, VLAN und SYN/ACK packages

    Hallo allerseits, ich betreibe Proxmox auf einem Mini-PC und OPNsense auf einem weiteren. Beide sind über einen Zyxel managed Switch miteinander verbunden. Es gibt ein Management VLAN5 und 2 weitere (VLAN10 und VLAN20). Auf Proxmox sind 4 VMs konfiguriert. Jeweils 2 in einem der beiden VLANs...

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