Remote access to a Raspberry Pi
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Raspberry Pi has developed a secure and easy-to-use way to access its latest boards remotely, from anywhere on the planet, using just a web browser.
The beta release of Raspberry Pi Connect runs on a 64-bit distribution of the Pi OS Bookworm that uses the Wayland window server. This means it needs a Raspberry Pi 5, 4 or 400.
“When you use Connect from a web browser to connect to your device, we establish a secure peer-to-peer connection between the two using WebRTC: the same real-time communication technology that underpins the in-browser clients for Zoom, Slack, Microsoft Teams, and Google Meet,” said Paul Mucur, who runs web development at Raspberry Pi.
“Our “rpi-connect” daemon for Pi OS is responsible for listening out for new screen sharing sessions from the Connect website, and negotiating the best possible (i.e. lowest latency) connection between the in-browser VNC client and a VNC server running on your device. In general, once a connection is established, no traffic need pass through our servers.”
“If for any reason it is not possible to establish a direct connection between your browser and your device, rpi-connect and your browser may instead opt to securely relay traffic through our servers, encrypting it with DTLS.”
At the moment, the Connect service has just a single relay (TURN) server, located in the UK. This means that if rpi-connect chooses to relay traffic, the latency can be quite high.
The aim is for Connect to remain free for individual users with non-relayed connections, with no limit on the number of devices. The use of bandwidth in the future will determine how to treat these connections in future.
Details are in the Connect documentation
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