Opening UDP port for appVM -> appVM Comms

[tzwcfq]

You need to use qrexec for communication between VMs.
Here is an example:

How to set up the trezor bridge in 4.1

Trezor’s instructions didn’t work for me on 4.1. The main problem was that the qubes rpc script needs to be executable. The documentation here Qubes OS - Trezor Wiki is also using the pre-4.1 policy format, and I ran into some weird stuff getting the bridge software itself, so I made this guide, which I hope makes it to the trezor wiki somehow. First you need the bridge software. if you want to use their rpm You can go to Trezor Suite for the prompt to download the latest bridge, or you can w…