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Frequently Asked Questions - Advanced Networking

See this post of Roger L. on how to configure a remote VPN on Windows 7.

How can I use advanced network featues like NAT, Portforwarding, Loadbalancing, VPN ?

Safe Swiss Cloud allows its users to create and deploy network components with a few clicks. The virtual router is implemented in Safe Swiss Cloud as something called a VPC (virtual private cloud).

Video: Safe Swiss Cloud Networking

Some basic Terms in Safe Swiss Cloud and what they mean:

Virtual Router (VR) Router, Firewall, VPN, Local Networks, HA Proxy web load balancer
Virtual Machine (VM) VM, instance, VPS etc. are all one and the same thing in Safe Swiss Cloud - an instance of a virtual machine.
Virtual Private Cloud (VPC) When a virtual router is created, it defines and creates a virtual private cloud. Each VPC can contain multiple virtual machine instances, network segments, load balancers etc.
Virtual Data Center (VDC) A virtual data center is a single customer account with Safe Swiss Cloud. It can contain one or more VPCs.
Guest Network or Tier

A private network segment in Safe Swiss Cloud connected to a VR and managed from this virtual router.


A VPC is an isolated part of Safe Swiss Cloud, with the virtual router (VR) as the gatekeeper. It can have one or more private networks (i.e.,, connected together through the Virtual Router (VR) which is also connected to the internet. Inside these private networks you can deploy one or more VMs which will not be direcly accessible from the Internet since they are on a private network.

Safe computing is enabled in Safe Swiss Cloud by making access to internal VMs go through Virtual Router Firewall. The following network features can be activated:

Public IP Addresses Public IP is needed for any of the following services: Port Forwarding rule, Load Balancing rule, Static NAT etc.
Port forwarding Forward traffic on a particular port e.g. 443 to access an internal VM's https service.
Static NAT Static Network Address Translation enables forwarding of public network traffic on all ports one to one to an internal VM.
Remote VPN Access a VM in the cloud from a single machine (desktop, mobile phone, tablet etc.) through a VPN tunnel
Site to Site VPN Connect two networks through a VPN tunnel, e.g connect your office and your virtual data center with an IPsec VPN tunnel
ACLs Specify what kind of traffic is allowed between different private networks, and also from any private network to the internet
Public Load Balancer Load balancing for web traffic coming in through the Internet and implemented in the virtual router (VR) as an HA Proxy.
Internal Load Balancer A load balancer for internal workloads, not accessible from the Internet.


​With this approach, you can really create your own Virtual Data Centar by having different private networks that are protected by one or more virtual routers.


An example of a VR (VPC in the GUI), which is using public load balancer features, is shown in the diagram below.

In this example we have one VR with public IP address, and two private networks behind the VR (web tier and app tier). We have activated load balancing features on the VR, so VR accepts web traffic from internet and distributes connection in i.e. round-robin fashion to 3 web servers. Inside app network, beside having 6 app servers, we also have activated 2 internal load balancers (small VMs) which accept connections from web servers, and distribute them among the 6 app servers.
This scenario is an example of using both public and private load balancing features of the VR/VPC.

Additional Public IP addresses are usually added to the Virtual Router which guards each Virtual Private Cloud (VPC). Each Virtual Data Center has at least one VPC.

We recommend adding virtual machine (VM) instances to an internal network segment of the Virtual Router of a VPCs. The VM instance will have a private IP address. After obtaining an additional public IP address, setup port forwarding or a static NAT from the Virtual Router to the VM.

To add a new public IP address follow this menu trail:

Network > Select view: VPC > Click Configure next to your VPC name

Now you will see a graphical representation of your VPC (Virtual Private Cloud):

  • On the Router click the box: N PUBLIC IP ADDRESSES
  • Now click the button "Acquire New IP" in the top right hand corner.

You will need to setup a static NAT or Port Forwarding rule to an internal virtual machine instance of your choice in order to allow traffic to the new public IP address to reach its intended destination.

Yes we do.

You can run IPSec tunnels with a multitude of encryption and other options.

Everything is fully software configurable from the Safe Swiss Cloud Control Panel.