You need to enable IP access on the device you intend to connect to. It's under the security settings in RustDesk.
I've been playing around with it. The iOS RustDesk app is nice, and I've been controlling my Mac Mini at home using my iPad Pro with a Magic Keyboard, and it's shockingly smooth!
If you're just connecting over Tailscale and your machine is otherwise not exposing the (configurable) port to the internet, it's fine as far as I know. Set up firewall entries if you are concerned.
You need to enable IP access on the device you intend to connect to. It's under the security settings in RustDesk.
I've been playing around with it. The iOS RustDesk app is nice, and I've been controlling my Mac Mini at home using my iPad Pro with a Magic Keyboard, and it's shockingly smooth!