1
vote
2answers
168 views

KVM: All network traffic to one guest (firewall)

I am currently using a VMWare ESXi 5.5 server for my virtualisation. The network setup is like this: PFSense firewall is the center of it all and connected to: LAN Network (physical NIC 1 assigned by ...
0
votes
1answer
840 views

Configure IPTables on KVM host to block guest bridge traffic

I am working on a thesis research project, and I am having some difficulty figuring out how to get iptables (running on the KVM host) to block traffic (or rather, manipulate traffic) destined for a ...
0
votes
1answer
412 views

Virtual firewall to protect hypervisor

I am running an Ubuntu Server 12.10 as a single host connected to a NATed router connected using PPPoE to a optical fiber modem. This server is meant to be accessed from the Internet, but also to be ...
1
vote
2answers
295 views

Iptables firewall on a KVM host

I'm running some guests on a KVM dedicated server, and I would like to use the host as a firewall, to control all accesses down from the hypervisor, using forwarding rules. It is a good idea or is ...
0
votes
2answers
348 views

Allowing outbound traffic with APF/iptables for OpenVZ container

I have apf installed on a OpenVZ container (proxmox 2.1). The config is pretty much vanilla and things are working. My external services like ssh and http are working. My problem is that all ...
3
votes
1answer
941 views

Bridge and OpenVPN with shorewall

I have this scenario and everything it's working OK, but I want to configure my Shorewall and I can't do it. My interfaces are: br0 (bridge of eth0) tun0 (OpenVPN) vnet* (each one of bridged ...
1
vote
0answers
217 views

Virtual networks connected to a computer acting as firewall (KVM)

I have successfully created a schema like this with VirtualBox, but now I have to do a final project and I would like to do it with KVM and Virtual Machine Manager (virt-manager). I am having some ...
2
votes
1answer
324 views

Can ufw on a kvm host restrict traffic to guests?

I've set up a number of guests running on kvm on Ubuntu. Network access for the guests is via network bridge with br0 sitting on top of eth0. I have ufw running on the host machine and this is ...
0
votes
1answer
567 views

Firewall on a KVM host, prevent access to VM:s

I have a Linux machine running KVM with several VM:s, all have public IP:s. For the time being I have everything routed through a bridge (br0) and this works well. I also need a firewall on the host ...
2
votes
3answers
2k views

Proper network configuration for a KVM guest to be on the same networks at the host

I am running a Debian Linux server on Lenny. Within it, I am running another Lenny instance using KVM. Both servers are externally available, with public IPs, as well as a second interface with ...
2
votes
4answers
2k views

Firewall configuration on Ubuntu KVM host

I have an Ubuntu 9.10 server with KVM virtualization installed on it (I'll call it HOST). It has three VMs running, one with Apache installed (calling it APACHE), one with Mysql installed (calling it ...