firewall help

  1. VM firewall Rules functioning intermittently

    Hi there, hope you are all doing well! I'm having a bit of an issue with getting proxmox's firewall to play nicely with a VM I have. My use case at this very minute is quite simple, I just want to host a single arch VM while I lean more about the OS as I switch from vmware, this VM has a...
  2. [TUTORIAL] How to not: Proxmox + Rocky Linux with 2 static ips

    Hi, I just brought an dedicated server to manage my site and gameserver. I installed proxmox and configured the VM. The problem is now that i need to use thoose two ips to configure a domain. I managed to make it work on the secondary ip but the ip wich is hosting proxmox doesnt work. I tried...
  3. Firewall ports to allow when Proxmox and PBS on different networks?

    I have the following network setup: 192.168.1.0/24 VLAN 10 pve1.host.local 192.168.1.11/24 pve2.host.local 192.168.1.12/24 pve3.host.local 192.168.1.13/24 192.168.2.0/24 VLAN 20 pbs.guest.local 192.168.2.254/24 Each VLAN is protected by a firewall. Per...
  4. [SOLVED] Cluster-Wide Firewall Rules Not Working on One Node

    I have an odd issue with my cluster-wide firewall that I can't seem to figure out. I want to limit Proxmox GUI access to one network (192.168.10.0/24) on all nodes. I've been able to accomplish this on 5 of my 6 nodes, but don't understand why I can't make it work on the final node. I have 6...
  5. [SOLVED] Port Forwarding

    Hi! I'm new to this and just installed Proxmox on my labserver to learn. However, I can't figure out port forwarding, coming from Virtualmin. I've been all over Google and the forum and nothing seems to solve my problem. I'm trying to forward 25565 for a Minecraft server which is running on a...
  6. Firewall greift nicht

    Hallo zusammen, ich habe einen neuen Proxmox-Server grundinstalliert. Angebunden ist er über ein bond0 von 2 x 10GBit, das als Port in vmbr0 konfiguriert ist: Hier die Konfiguration: auto bond0 iface bond0 inet manual slaves enp175s0f0 enp175s0f1 bond mode 802.3ad...
  7. Firewall setup that should be simple.

    Hello. I am currently in the process of getting Proxmox up and running to host a VM server to replace my ancient Atom based file/plex/deluge/nextcloud server. I have proxmox up and running ok and a few bits and pieces set up on the VM to host my new server, but I'm having a few issues related...
  8. Firewall working too well

    I'm pretty much a noob with ProxMox but if I'm reading these forums correctly, this shouldn't be happening. When I enable the firewall on the data center, I lose the web interface completely (SSH still works so I can disable the FW again). So what gives? I want to use the firewall feature so I...
  9. [SOLVED] Unable to VPN into VM

    Hi there, I've been trying and researching this now for a good month and finally need some help. So, I've setup proxmox 6.1 and have 5 VM's, this server will be used in a small office environment. I have VM1 pfSense as firewall/gateway (not working) . VM2 Zentyal as Domain Controller (working)...
  10. Optimal Firewall Configuration

    Hello, maybe this question has been asked before a lot. I've googled all possible solution to get optimal firewall configuration couldn't find a reference that can help, I don't need tutorials I need conf example file or something to build on. A firewall configuration that: - Give internet...
  11. Node Firewall Runs on At Every Boot Despite Disabling Via GUI

    I'm a little perplexed as to the expected behavior of disabling the firewall for troubleshooting purposes. I've left the default for the datacenter firewall as NO. And for my node the firwall was shown as on in the GUI so I toggled it to NO. Yet, if I reboot Proxmox and check the firewall status...
  12. 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. [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. Ayuda con el firewall de los CT

    Hola soy nuevo aquí, en proxmox y e linux en general, el caso es q uso la ver. 5.1 y cuando activo el firewall de mi ct que funciona de proxy no puedo navegar. Que puedo hacer. Gracias de antemano.
  15. Firewall flag function

    Hi, We are configuring firewall for a couple VM's. After enabling the firewall for each VM, it must be rebooted (cold) . We want now to enable the firewall option in hardware>network device for all VM's. And then disable the firewall in Firewall>options enable flag by default. 1. The question...
  16. be_tnt

    [SOLVED] Firewall rules inheritance?

    Hello! I read several times the documentation about the proxmox firewall trying to understand how this is working. But one point remains obscure for me : does the VM firewall inherit from the top level (Node then datacenter)? Thx in advance!
  17. Block access to manager router

    Hello everybody. I'm a bit noob with the topic of networks but what I wanted to do seemed very simple. As the title says I want to block access to the router and the proxmox console among others in an VM. I did not find any information about it on the internet but it occurred to me that the...
  18. [SOLVED] PVE-Firewall doesn't have any effect

    Hi guys, I'm trying to setup some firewall rules to protect a VM, but I fail badly and don't have a starting point to find out why. The proxmox host has a public IP X.Y.Z.80 from the network X.Y.Z.64/26 The VM uses a bridged network and also has a public IP X.Y.Z.69 I already tried setting...
  19. Is It Best Practice To Use Proxmox Firewall or Firewall In VM?

    Hello everyone, Just curious what others are doing, but is it best to use Proxmox's firewall that is available in the webgui for each VM or use the VM's firewall available within the OS (e.g. ufw, firewalld, etc...)? I'm on Proxmox 5.2-2 and most of my VM's are a Linux distro (Ubuntu, CentOS...
  20. Removed Firewall in Command line

    Hello, wanting to configure the proxmox firewall, I find myself no longer have access to the web console and ssh. The server is hosted at Online.net which provides a backup distribution in case of trouble. When I use this backup, I mount my raid1, I get in partition: md126 and md127 According...

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