Access from public_ip to vm_ip


New Member
Mar 10, 2023

I have been trying to get this for a few days and decided to ask.

I have a Proxmox 7.2 server on a machine in my house. My router has a public ip, let's assume external and internal. My goal is to access from the internet and reach a service exposed on 443 of a VM.

I have made the router redirection of ports 80 and 443 to point to the VM IP (

The problem is that accessing from outside the house works but not I have read that it is possible that the ISP router is blocking port 443.

I have tried with the firewall enabled (with rules for HTTP and HTTPS) and disabled. In both cases port 80 does reach from the internet but not port 443.

I understand that it is going to be a problem of my ISP router (I think that in the firmware it makes an iptable drop wan 443 for security). Before changing ISP router I wanted to ask if there is something particular I have to do or is there any particularity with port 443 and proxmox.

Correct me if I'm wrong but with my current configuration (VirtIO, bridge vmbr0 linked to en1) all the network configuration has to be done inside the VM and in the proxmox firewall for that VM right?. Will my router see VM as if it were directly connected?

Thank you very much

Proxmox /etc/network/interfaces

auto lo
iface lo inet loopback

iface eno1 inet manual

auto vmbr0
iface vmbr0 inet static
        bridge-ports eno1
        bridge-stp off
        bridge-fd 0
        bridge-vlan-aware yes

VM interface


VM Netplan

      dhcp4: no
      addresses: []
       addresses: []
      - to:
      - to: default # or
        on-link: true
  version: 2

VM routes

default via dev ens18 proto static onlink dev wg0 proto kernel scope link src dev ens18 proto kernel scope link src via dev ens18 proto static
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