NEW CONNECTION

Connect a device

Enable SSH on your device, then add the credentials Relay will use to connect back to it.

DEVICE CONNECTION

Open your tunnel

  1. Download the tunnel key to your device

    This key only opens this device’s dedicated tunnel.

    Download tunnel key ↓
  2. Run this in the same folder

    Keep the command running while you use Relay. If the connection drops, run it again.

  3. Verify the server fingerprint

    On first connection, compare the fingerprint shown by SSH with:

  4. Check the connection

Update device host key

Or copy the SSH server's public key directly from your device. This is different from your login public key in ~/.ssh/.

cat /etc/ssh/ssh_host_ed25519_key.pub

Accept device host key?

Accepting saves this key for future connections. Unexpected key changes will be blocked.