iptables

  1. R

    proxmox firewall problem bridges

    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...
  2. 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 192.168.0.2...
  3. B

    Request for documentation

    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...
  4. N

    Access web server's guest

    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...
  5. M

    firewall cluster nodes problem

    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...
  6. L

    Firewall rules not loaded for lxc containers

    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...
  7. D

    How to prevent traffic between LXC on bridged network?

    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...
  8. T

    openVZ mit nur einer IP am Server

    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...
  9. T

    proxmox virtual machine port open

    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
  10. G

    Proxmox VMs with single IP

    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...
  11. Y

    Iptables rules to prevent UDP Outgoing flood

    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...
  12. P

    NAT Prerouting from bridge to single container without public ip address

    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...
  13. M

    [SOLVED] iptables logging inside LXC containers

    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...
  14. M

    Proxmox with Cloudflare

    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...
  15. H

    Nat Configuration

    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...
  16. T

    Using Container over one public IP

    Hallo, I am new to Proxmox and I would like to know how to use NAT in this environment. That is my network configuration: Public-IP (outside Router) 217.x.y.z Router-IP 192.168.1.1 Proxmox Host-IP 192.168.1.27 openVZ-Container-IP...
  17. K

    PVE 4.1-26 & CSF iptables modules missing

    Hello, I just done a fresh installation of PVE and would like to use CSF firewall within LXC but some modules are missing. --- log from CSF test script within LXC (CentOS 6) --- [root@ct1 ~]# ./csf/csftest.pl Testing ip_tables/iptable_filter...OK Testing ipt_LOG...OK Testing...

About

The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!