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I have a Linux Mint Virtual Machine which I use quite a lot with my Windows host. I have lots of Software installed there (mostly with web GUI so I can access them from host easily).

So I am wondering instead of securing individual applications (by adding username/password, limit incoming request from host IP), can I just add a firewall which will limit incoming requests only from host IP? Will it be safe?

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Using either the Windows (host) firewall or the guest OS firewall to do that is not recommended.

All VM tools already provide that kind of control. Have a look at the different types of networking available. You want a host-only network. By design that can only be used between the host and the VM, it is never accessible outside the host.

I should also have said that if you also need some services to reach outside the host, you can have both by setting up 2 networks and binding your web services to the host-only network.

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    I think OP was asking about a client OS firewall. Commented Jan 23, 2016 at 17:57
  • Good point! Though of course, the answer is still the same. Wrong tool and not needed. Adds too much complexity when all you need to do is change the networking. I should also have said that if you also need some services to reach outside the host, you can have both by setting up 2 networks and binding your web services to the host-only network. Commented Jan 23, 2016 at 17:59
  • You can edit your answer to include that. Commented Jan 23, 2016 at 18:00
  • @NeilSmithline Yes! I was indeed talking about the guest OS firewall.
    – user32902
    Commented Jan 23, 2016 at 18:34
  • Updated slightly to include that, sorry for not reading the question properly. The answer is the same thankfully :) Commented Jan 23, 2016 at 18:37

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