iptables

Hi there I've noticed a change between two proxmox versions. In newer ones , no traffic is passing through the FORWARD chain (.e.g iptables -L FORWARD -vxn shows 0 packets 0 bytes) proxmox-ve: 5.1-38 (running kernel: 4.13.13-5-pve) pve-manager: 5.1-43 (running version: 5.1-43/bdb08029)...

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>...

Hi everyone, Im planning to put a proxmox server directly on the internet so am locking the box down heavily. My aim is to only have ssh open (where I can use 2fa and ssh keys to ensure security) and then block all other ports and do ssh port forwarding to access the proxmox web UI. I found...

Hey everyone, I've just installed Proxmox VE 4.4 and everything works fine. I enabled the Proxmox Firewall on every Level (Datacenter, controller node and VM) and it doesn't do anything. If I block everything (Input, DROP, etc...) and/or block specific macros it doesn't affect the VM. The...

Ich habe zuhause eine KVM büchse und will nun zwei netzwerke via bridge aufbauen. das klappt soweit nur würde ich gerne auf ein Netzwerk auch von aussen zugreifen können. Raus komme ich schon. interfaces Code: auto lo iface lo inet loopback auto eth0 iface eth0 inet manual auto vmbr0 iface...

Hello everyone, I have a problem with the proxmox firewall. i have activated it on the proxmox host and on all containers. all works fine. one container have no public ip-adress and use the proxmox host for dns resolv (internet access). if i activated the proxmox firewall on the container i...

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 192.168.0.2...

Hello, I am asking this in behave of a group of regular proxmox users here in Germany: Proxmox 4 introduced web-configurable PVE firewall. It allows for configuration to be done on datacenter level, on host level and on vm level. We wanted to set up default deny based firewalling and also have...

Hello, I explain you my configuration : - a server with Debian 8 and Proxmox installed. It has a local address (eth0 : 10.0.0.100) and access Internet via a proxy ; - a guest with Centos 7, with an address in 192.168.0.100. I gave it all the proxy configuration and it can access Internet...

I got a cluster with 5 nodes. Each of them connected via a GRE to allow multicast (because my local network not allow multicast). Everything work fine and i want to activate firewall on cluster. My problem is that when i start firewall on a node it become red and not accessible by other. My...

Hello, I enabled the firewall in datacenter, node and container and I can see quite a few iptables rules loaded and some new PVE chains. The problem is that I created a rulea for a container and I can not see that rule in iptables. This is the rule: But I can not see that rule in the node...

Hello, I have a number of LXC on a bridged network. I'd like to restrict network access for those LXC in such a way outbound traffic is allowed one internal IP may be reached all other traffic is dropped Can this be done w/ the Proxmox 4 firewall? Or do I need to add custom iptables rules...

Hallo Gemeinde Ich krieg's iwie nicht auf die Reihe. Ich habe nur eine IP am Server zur Verfügung. Darum möchte ich den Port 8006 für's Proxmox durchschleifen und für ssh den Port 1022 in 22 übersetzen (auch auf's Proxmox). Die restlichen Ports auf die openVZ Maschine (Debian 8.5.0). Habe das...

hello, proxmox in virtual machine how can I port open ? I want to open 9339. my proxmox server ip etc. in such a way that 163.145.15.54:9339

So I don't know much about the bridges and all, but I looked around and tried to get it still working. I've got one IP for the server itself and I thought to use second IP on the VMs. I thought I did all correctly but it seems that there is no internet connection and can't ping to anywhere it...

Hello, i have bad experience regarding Outgoing UDP flood. If i put UDP flood rules on HOST server, they cover also GUEST ( Openvz, LXC, KVM ) VPS ? My RULES in init.d script: ------------------------------------------------------------------ #!/bin/sh ### BEGIN INIT INFO # Provides...

Hello everybody, is it possible to do this bash commands with the gui firewall configuration? Node network/interfaces (default generated from plain 4.1 VE installation with some settings) auto lo iface lo inet loopback iface eth0 inet manual auto vmbr0 iface vmbr0 inet static address...

Hi everyone, First of all, after many years of use, I wanted to thanks the whole team behind Proxmox VE for the amazing work! I'm now since a few months a happy user of Proxmox VE 4 and it's LXC containers. However, I've lately been facing issues with firewall logging: I am using custom...

Hi, I am running proxmox on my LAN and DD-WRT for my router... I want to use cloudflare with proxmox, but cloud flare only allows these ports(https): 2087, 2096, 8443. Any other port is blocked. But proxmox VNC ports are 5900-5999... how can I set an iptables rule to forward any outbound traffic...

Hello, I am new to Proxmox and linux stuff I have success Installing PX 3.4 on 1 IP Public I create 1 vm with local ip 172.16.0.2 with configuration like this: auto lo iface lo inet loopback iface eth0 inet manual iface eth1 inet manual auto vmbr0 iface vmbr0 inet static address...