When an reply is sent, then it will be received by the HOST machine and resend to the Guest Machine. So the outside world only see the IP address of the Host machine.
When the guest machine send an IP packet to some remote machine, VirtualBox’s NAT Engine will receive the packet and extracts the TCP/IP segments, and change the IP address to the IP address of the HOST machine. When a guest machine is set-up in this mode, then outside world will never be able to communicate with the Guest machine directly.
The following are the different types of networking modes available to be configured for each network adapter VirtualBox provides a facility to add up-to 4 Network adapter (Ethernet card) to each guest machine through the GUI. Once a guest machine is installed, the first step that everyone like to do is to configure the network for that machine. This article explains how to setup network for a guest machine and installing Guest Additions in a guest machine. NOTE: Link given as I could not see how to copy-paste the graphical pictures here as there is not a direct link to pics.In the previous article Install & Create Virtual Machine, we explained how to install VirtualBox and create a Guest machine in it. Ports to allow network traffic to be routed to a specific port in the To configure Port Forwarding you can use the graphical Port ForwardingĮditor which can be found in the Network Settings dialog for NetworkĪdaptors configured to use NAT. Here teh virtualbox network configuration is using NAT and port forwarding your services. Using NAT is also known as port forwarding, so the configuration is similar to how one would confiugre a router. You can use NAT, and there is a graphical tool to configure NAT in the advanced options under NAT. See Which type of VirtualBox networking should I use? Easiest approach is to use bridged networking for the server. Using a virtual machine for such things can at times become complicated.
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