firewall

Hi, Do i really need VM firewall enabled while i have CSF installed on cPanel/WHM? Or the VM firewall is more used for specific ports to be blocked and accessed only from specific devices/IP whereas CSF is more used on the cpanel/WHM level for protection? I guess my question is if i waste a...

Hi, I want to setup different firewall setting on different interface on the same VM. How do I set it in this scenario? eth1: Enable IPFilter (Do not allow IP spoofing) Enable Mac Filter (Do not allow MAC spoofing) eth2: Disable IPFilter (Allow IP spoofing) Enable Mac Filter (Do not allow...

This is 4th try after getting no responses from Stack Exchange sites [1, 2, 3] and I've been fighting with this issue for ~2 weeks. I really hope someone can help me with this issue. --- I have a setup like this (this diagram is also available here): I'm running a single PVE host in my...

This is a rough draft of an idea from this thread over in the PMG forum: https://forum.proxmox.com/threads/how-to-close-open-port-111.43310/ Two notes: it would be nice if a future version of PVE included macros for PVE web interface and PMG Submission. There is "Submission" but that's not port...

Hello, i need help for the Firewall settings for NFS Shares in VM's. My Proxmox Server has 3 different LAN Interfaces for WAN LAN and DMZ. I have different VM and container in this networks. My Problem: In the DMZ i have a Debian11 VM and try to connect an NFS Share from my NAS in the LAN...

Hi Forum. I have some questions, since I've reinstalled a Couple off times for making this setup rigth. I have 1 Dedicated Server hosted Only physical 1NIC 2Public IP's - on vmbr0 The 2. public IP on vmbr0 but bounded by MAC address, so I have a VM running PFsense for this secondary IP...

Hallo Liebe Proxmox Community, Aktuell bin ich in der Einrichtung eines Proxmox Servers, darauf laufen 2 VM´s mit Windows 10. Das Web Interface von Proxmox ist nur im internen Netzwerk erreichbar. Auch weiter noch nichts konfiguriert oder vorgesehen. Meine Frage ist nun: Muss ich noch etwas...

Hi everybody, I am struggeling with a problem where I did not figure out yet if it is a "basic" networking problem or something that has to do with my SDN configuration. The setup is the following: I have two VEs (192.168.2.10 and .11) coupled as a cluster. Within this cluster there is an...

DynFi company is a Proxmox-VE partner and also the developer of the DynFi Firewall, a new, modern Open Source Firewall. Since Proxmox-VE and DynFi Firewall are very complementary, we thought that It would be nice to provide end-users with a Screencast detailing the steps required to create a...

Hi guys, We need some help please. In short - we've setup vyos routing on our pve cluster. The problem is as soon as vyos vm get's an IP address and starts peering all the other guests on the SAME host with firewall ON (on the nic), SOME applications (curl and rsync - there might be more, but...

I am trying to port foward HTTP:80 to IP: 24.12.3.250 I can access my website from 24.12.4.250 since it on the internal network shown below, but when its time to access it from outside the private network I can't access it. (The unnamed router at the top is my home network with the subnet...

Hello, I have been using PVE for several months and recently I had to change my motherboard, after replacing the motherboard of my server I have a defect when starting the promox distribution: [FAILED] Failed to start LSB: Personal Firewall :mad: In front of my server I use a netgate...

I don't know when this issue started, but I have IPv6 disabled via grub by using "ipv6.disable=1" on GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub. My syslog is being flooded with the following messages: Nov 19 10:53:24 pve pve-firewall[1053]: status update error: iptables_restore_cmdlist...

Hi, I have created my own LOG chains for specific rules added for each guest. My first question is how can I log in separate log file like PVEFW does per guest? Currently all logs go into the Node's firewall log. Second question is, how can I format the log output to be similar to PVEFW? At...

Good day everyone! I am trying to provision some LXC in my 4-node Proxmox 7.2 cluster via Ansible using the proxmox module. After much struggle I've been able to provision the container but I am stuck at the firewall configuration. Currently I am trying to template a firewall.j2 file into a...

I`m trying to add some custom iptables rules (like connlimit) for guest machines. Example rule is: -A tap101i0-IN -p tcp -m connlimit --connlimit-above 30 --connlimit-mask 32 --connlimit-saddr -j REJECT --reject-with tcp-reset As seen tap101i0 is the vm 101 adapter. The rule has no effect, I...

Hi I try to understand how a proxmox host can be hardened with ufw. I understand that proxmox has a own firewall but I have an ansible role which manage hardening etc. on all my servers and therefore would like to use ufw on my proxmox host. However as I tried to use I saw that my lxc...

Hi, I was trying to use Promox firewall but ran into "strange" problems: as soon as firewall on DC level (but not on VM level!!) is active real traffic between VMS running on the same host, but in different VLANs, doesn't work. I emphasize "real traffic" because ping still works and also a...

Hi, I'm new around here and trying to learn Proxmox. I installed Proxmox on Linux. Everything is very good. In it, I installed Windows Server 2022, as a VM. Normally all ports are closed when I activate the firewall. I open the necessary ports for 8006 and RDP, no problem. The problem also...

I just created two VMs and for some reason they don't seem to get IP assigned from the DHCP server. When I give them static IP it does work. I just go into Proxmox fyi. So there must've been something I missed configured or haven't configured at all. Thank you.