Routing

VirtualBox Network Settings

From VirtualBox Network Settings: Complete Guide Updated July 16, 2019 (accessed June 2, 2023)

• Which network mode in VirtualBox can be used to emulate unplugging the Ethernet cable from the network?

    Settings >> Network >> Adapter Tab >> Advanced (dropdown) >> Uncheck "Cable Connected"
  
    * or you can choose the "Not Attached" Network Mode.
  

• Which network mode would be best if you wanted to run a server on a VM that could be fully accessible from your physical local area network?

  • The "Bridged Adapter" Network Setting would be best for this

• What are the three options of promiscuous mode and what does each do?

  • Deny - (Default) Any traffic not intended to the virtual network adapter is hidden from the VM.

  • Allow VMs - All traffic is hidden from the network adapter except the traffic transmitted to and from other VMs.

  • Allow All - There are no restrictions in this mode. A VM network adapter can see all incoming and out going traffic.

• What is Port Forwarding?

  • Port forwarding is a process of intercepting traffic addressed to the appropriate IP address and port in addition to redirecting that traffic to a different IP address and/or port.

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