It may not be what you think it is. Here is how to check. Anywhere: curl icanhazip.com -4 Windows: Open a browser to the URL: whatsmyip.com Linux: Command Line: curl ifconfig.me For more info on icanhazip.com see: https://major.io/icanhazip-com-faq/
VirtualBox supports the following types of adapters (and others) that I use frequently for many VMs. Bridged Adapter – Makes the VirtualBox VM part of your local network. Host-Only-Adapter – Makes the VirtualBox VM part of a virtual network on the VM Host. NAT – Can get out to the network – but your IP is …
Generally, a forward proxy is used to funnel traffic originating inside a business network to the outside / internet. A reverse proxy does the opposite by receiving protecting or buffering a 2nd server(s) inside a network from requests originating from outside the network. Generally, a proxy receives requests on an internal network from the internet.