nat

  1. R

    No internet connectivity for VMs

    Hi and thanks for your help. I have no networking for my first VM in my new Proxmox 6.2 installation.....here is my /etc/network/interfaces : auto lo iface lo inet loopback iface enp8s0 inet manual auto vmbr0 iface vmbr0 inet static address 88.198.26.141/27 gateway...
  2. E

    Port Forwarding (like DMZ)

    I wrote this to redirect all ports to a single machine, but I don't know if it is working properly. Is it possible to direct the entire port range to a single machine like DMZ Logic? post-up iptables -t nat -A PREROUTING -p tcp --dport 0:8005 -j DNAT --to-destination 192.168.128.185:0-8005...
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    [TUTORIAL] PVE 6.2 Private VM (NAT) network configuration setup

    I had been trying to create a private IP (NAT) setup for my VMs and managed to do it as follows, heavily relying on infomation in reference [1]. I have re-titled this as a Tutorial now: 1. In the Proxmox web interface for the host network configuration create a second bridge: vmbr1 with IP...
  4. S

    Mutliple IP Nat on one NIC

    Hi guys, I got another problem today. I got a proxmox node (running version 6.1-8) that has got one public IP (lets say A.A.A.A) and one secondary IP (lets say B.B.B.B). I also got a bridge with the internal network 192.16.8.0/24 where every VM gets an IP. Currently my setup is working and I...
  5. T

    Requests from Nat network to itself not working

    Hi, I have a proxmox setup with one public IP, that's why I have a NAT network with port forwarding. Everything works fine from outside the NAT network, except when I try to reach a server inside the NAT network from any other server inside the NAT network. I already configured the loopback...
  6. D

    Proxmox Firewall greift nicht über die /etc/network/interfaces vom Host

    Guten Tag, ich habe ein (hoffentlich) kleines Problem. Ich habe für meine freigegebenen Ports nun Einträge in der Firewall auf dem (Rechenzentrum) angelegt und die Firewall dort und in der VM an sich aktiviert. Jetzt möchte ich zum Beispiel den in der interfaces gerouteten Port 1222 (zur...
  7. B

    [SOLVED] Container has no external access behind NAT config

    Hi, I'm trying to setup some containers using a standard NAT config. Unfortunately, I can't get the containers to access to outside their LAN. The Proxmox host is behind a router (192.168.1.254). It has a perfect Internet connectivity, and can ping the container with problem. At this moment...
  8. R

    Wireguard with Proxmox KVM Machine and Proxmox Firewall

    Hello, I have installed Wireguard in Proxmox KVM virtual Ubuntu Machine, because many changes must be do for running it into a lxc container. My Wireguard works fine clients can connect and everything worked. So my Wireguard VM have a network adapter with a public ip address. So I enabled the...
  9. C

    "isolating/hiding" a VM with ip overlapping from LAN network with NAT

    Hello, for some test scenarios i need to isolate a copy of VM from the network itself but still need to be access it via dedicated ports. Example. Proxmox host: 192.168.0.10/24 I have a VM0 (bridged) with IP 192.168.0.1 in a LAN with network 192.168.0.0/24 and LAN gateway 192.168.0.254. Now i...
  10. E

    how to nat VMs to the outside world

    I am running proxmox on a local server. All my VMs are of the 10.0.1.0/24 subnet. How do I NAT my VMs to allow access from the outside world? Where can I find a reliable guide for doing this? I have never done any NAT before.
  11. 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...
  12. D

    Single NIC + Mikrotik VM (CHR) + VMs routing help :(

    Hi all! me again. I've been working for around 1 week trying to use Proxmox over ESXi but this is giving me way too many headaches. Still, I think this time the issue is not Proxmox, but my lack of networking knowledge. Anyways, this is what I'd like to archieve: Basically, my server...
  13. D

    [SOLVED] 1 NIC, 2 public IPs (MAC binding) + pfSense VM HELP!

    Hello all, First time poster here, I've been following Proxmox for a while and now I've set up a VPS in an external provider. My current provider gives me a Supermicro server with only 1 NIC plugged in. I have no control over this as I've already made a ticket to ask my provider to plug another...
  14. R

    NAT Proxmox fails

    I continue with the topic of networks. I have a practical case, this time is to create a network (for a hypothetical company) and divide it into several subnets. The most normal thing would be to divide it with the mask but if one computer changes the mask the others will be seen. So it...
  15. D

    VM can be reached over Internet but has no outgoing Internet Connection

    Hello, I can't figure it out by myself even after searching google for many hours. The VM can access Web as soon as I deactivate Proxmox VM Firewall for this specific VM Windows Server 2016. It makes no sense for me because setting is outgoing policy "accept" I can reach the VM over Internet...
  16. K

    How to enable port forwarding for IPv6

    I'd like to enable port forwarding for IPv6. For IPv4 I just simply appended this at my /etc/network/interfaces: post-up echo 1 > /proc/sys/net/ipv4/ip_forward I tried to append this for IPv6: post-up echo 1 > /proc/sys/net/ipv6/conf/all/forwarding but, once rebooted, system says "connect...
  17. G

    Multiple NIC bridging/routing

    (Please see attached image) I have a single host with four interfaces (2x 1Gb, 2x 10Gb). eno0 is used for the external nat/route to the upstream firewall and external access via 172.16.27.1. eno1 is not currently used, but *will* be used as a 1Gb guest bridge into a switch (10.0.30.x)...
  18. S

    Accessing web url of container from within container

    Hi, I have setup containers with NAT with the following network configuration: For each container, I add bridge vmbr2 and assign an IP address from 10.1.1./24. For internet access, the container uses NAT/MASQUERADE and goes through vmbr0, which is the public facing interface. To redirect...
  19. T

    DNAT/SNAT via pve-firewall PREROUTING/POSTROUTING

    Hello, is there any way to configure DNAT, and SNAT to hosts via pve-firewall? Currently we use for outgoing connections: iptables -t nat -A POSTROUTING -s 192.168.64.0/24 -o vmbr0 -j SNAT --to-source 5.7.9.99 iptables -t nat -A POSTROUTING -s 192.168.80.102/32 -o vmbr0 -j SNAT --to-source...
  20. B

    NAT/Bridge combi - Port Forwarding not working

    Hello So i installed Proxmox on my server. I configured a Bridge and NAT interface for my VM's. I installed my first VM (Ubuntu) configured the port forwarding and tried to connect to it with putty -> Connection time out. I double checked everything twice, firewall, ip configs, ports, but i...

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