1. G

    Trouble mixing public and private IP spaces on PVE host

    Summary: Having trouble mixing public and private IPs on a PVE host. Help! Details: I have a PVE host with a public IP and an additional /28 block (not contiguous with with host's IP). Everything works fine and all provisioned VMs have public IPs, which is appropriate for their use cases. The...
  2. G

    NAT-ed VMs and LXCs with a single public IP on the host -- help

    What I'd like to do: Migrate away from a host with about 15 public IPs to a single public IP with all VMs getting static or DHCP addresses in the 10.10.10.x space. Many of these VMs serve up multiple services -- for example, a dozen WordPress sites on a single Webinoly or WordOps VM. Where...
  3. P

    [SOLVED] NOT again! NAT again.. (MASQUERADE failing)

    Requests from VM in subnet are forwarded to pve's gateway, but with subnet source IP. My masquerading with iptables fails in this common use-case: Internet <-eth0-> pve host <-vmbr0-> VM ( With sudo tcpdump -n -i enp0s31f6 icmp I get: 17:26:35.506557 IP > 94.130.yy.zz: ICMP...
  4. K

    Extend "Masquerading (NAT) with iptables" documentation? (IPv6) I'm currently using this setup because my hosting provider gives me a single IPv4 address, so I have to set up masquerading. I'm setting up a new Proxmox host, and I'm considering adding IPv6 configuration from...
  5. N

    masquerade works, I wish directly access VMs without iptables

    I'm new to proxmox, Is there anyway I can directly access VMs without iptables NAT entry? For example I wish to ssh with port 22 to 2 different VMs inside my proxmox, current setup is port 41 for 1st VM and port 42 for 2nd VM. num target prot opt source destination 1 DNAT...
  6. S

    Assign Public IPs to Vms on Nested Virtualization [Proxmox on VmWare]

    Hi, I've a network problem on Proxmox configuration. I've installed Proxmox on a Cloud VPS (provider uses VmWare VE) with only one NIC and 3 public Ip addressess (same subnet and gateway). My goal is to assign one public Ip to the Host (Proxmox VE) and others to VMs I tried to configure a...
  7. K

    [SOLVED] Leaseweb NAT incoming connections not working

    I've got a server from leaseweb with PVE 7 on it, attached to the public facing ip I'm using the PVE firewall to manage incoming connections, and the masquerading nat to provide a NAT for my containers and vms As an LXC guest I'm running PBS 2, but I can't seem to get it to accept on port...
  8. A

    No Internet on brigded network using firewall

    Hello, I can´t figure out how to get this done. What i have: I have one public IP on a Rootserver connected to PVE via ens3 bridged to vmbr0 where Gateway and IP are set. I also created a new network to masquerade vmbr0 to vmbr1 for connection between Containers on Subnet auto...
  9. P

    Use the same interface for all VMs / Masquerading

    I'm trying to set up Proxmox in a way that all VMs would use the same interface with manual port forwarding. I found this post that pretty much describes what I want to achieve: But sadly it's rather...
  10. E

    NAT Masquerade not working with Firewall enabled

    Hello, im playing around with Proxmox at home wanting to put it on a dedicated sever at Hetzner later, and have some trouble using a private network for the VMs. The config below works, i can Ping from a Container in the private net(192.168) to my Desktop in my LAN (10.10), and if i look at...
  11. be_tnt

    VM can not access internet - Private IP

    Hello! Let me try to explain what I am trying to do. On the proxmox server, I will have 4 VMs (centOS 7): a load balancer / reverse proxy 2 web servers 1 database servers The load balancer will have a public IP but the 3 other ones will have a private IP. On the host, I do have the...
  12. J

    container cannot ping the world

    Hi everyone; When I activate the firewall at the cluster level 1. I have to open port 22 and 8006 unless I loose connection; (which apparently not suppose to happen) 2. my container are unable to communicate with the world. but as soon I disable the firewall everything is fine. - I is Proxmox...
  13. R

    problems with network interfaces configuration

    Hi. I have instaro proxmox version 5-2-8 updated everything works OK, my server has 4 network interfaces one for the wan, another for an external network with optical fiber and two for the lan, reading I saw that I can make a virtual private network and with the method Masquerading (NAT) with...
  14. A

    Proxmox 5.1 - containers / VMs cannot communicate with each other using the public IP

    Hello, I have Dedicated Server on Hetzner with a single NIC and a single public IP on it. There are quite a few discussions about setting up Proxmox networking in such a situation. Specifically, I have followed the following guides: forum <dot> proxmox <dot>...
  15. E

    Web UI not listening on all interfaces

    At first I had Proxmox working using the interface enp2s0f0 and bridge vmbr0 which is connected to a DHCP private network. I wanted one VM to be reachable from WAN though so I added enp2s0f1 and masqueraded vmbr1 which is connected to a static public IP address. Everything works but once I...
  16. M

    Bridge+NAT : masquerade works but not as I would like

    Hi, I have been struggling to get NAT working for a container with only partial success : it works when I run the command from a shell but does not work when I set it up in /etc/network/interfaces. The host runs debian 8 and proxmox 4.4.12 (upgraded from v3, itself upgraded from v2). So, as...
  17. A

    [SOLVED] Container cannot reach internet

    Proxmox 4.4 with CentOS 7 guest in container. Host can reach the internet, but containers cannot. It seems others have had similar problems but I cannot find a solution. Host /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet static address
  18. E

    Masquerading NAT issues

    Hello. I'm running Proxmox 4.4-1. I followed the guide at for setting up Masqueraded NAT since my Proxmox host has a single public IP (example as below), but my containers can't reach the Internet. They can ping my Proxmox host's gateway...
  19. M

    NAT redirect not working

    Hello, I installed Proxmox 4.2 via ISO at my Server. Considering the fact that I only have one public IP address I tried to use NAT. This is my interface configuration: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address a.b.c.d netmask
  20. C

    How to use firewall with NAT

    Hi Guys, Wondered if you could help me please... I have NAT (Masquerade) setup and working on my Proxmox setup. I also have the firewall enabled at the Datacenter, Host and VM levels. The Datacenter and Host level firewalls seem to be working perfectly and only allowing ports I have allowed...


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