![]() ![]() This is all that is required to configure a host-only adapter to work with UFW: With a static ip on your machine you can SSH into the box, without the use of a second NAT adapter.Ĭreate Easy, Minimal UFW firewall rule for host-guest communications You can optionally skip this step and just use a dynamic ipĪddresses: You have the option to enable DHCP server if you plan to have multiple vboxes on the same host-only adapterĬreate a static ip config for your vbox (mine is Ubuntu 20.04 server). Here's the Pro's & Cons along with my progress steps.Ĭreate a host-only adapter for your machine (vboxnet0) ONE vboxnet0 host-only adapter to provide ssh, host-guest communication, and outside internet access for as many vboxes that you want with either static or dynamic ips. ![]() The solution that I am working on, which perhaps is a little hard to set-up initially, is configuring a host-only adapter to have internet access via the host's primary network adapter. The caveat here is that some applications configure themselves based on the primary adapter ip address upon installation ( this is my current problem) and as NAT ip address can't communicate with the host, this creates a problem. NAT adapter & host-only adapter combo method - The nat adapter provides easy internet access inside the box and the host-only adapter provides host guest communications for apps like apache. If you are very, good with firewall rules, then this method is for you. While it is a very common solution to use 2 network adapters combinations with virtualbox servers to establish host-guest communications & internet access for the virtualbox, these common methods have certain caveats.īridged adapter & NAT adapter combo method - by far the easiest & fastest method, but it comes with the caveat that if you use a killswitch with your UFW firewall / VPN, then very often you have to adjust firewall settings based on which wi-fi network you are connected to because gateway addresses change (common problem for those using static ip addresses on vbox). I need the best way to setup ubuntu server vbo圆.1 guest to have internet access and enable ubuntu 20.04 desktop host to ssh into the box. The solution below does, in fact work, vote downs for this question without any feedback / constructive criticism or error identification seem unjustified. In any case, should anyone stumble upon this post. ![]()
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