Add upnp support

[djedu]

Feature Request

Add upnp support

Feature Information:

Add upnp support so target's can request an external firewall open the required ports on instance launch. This will be very helpful when running multiple hosts behind an external firewall (like PfSense).

I confirm:

• [x] that I have searched for an existing feature request matching the description.

[PhonicUK]

This is already implemented on Windows hosts, but is not yet available on Linux.

[IceOfWraith]

I haven't seen anyone able to get this working yet on Windows. Maybe some documentation is needed?

[General-Zimmer]

I would love for this to be added on Linux!