Problemunvalidated
WebSocket connections to `wss://<host>:443` fail when proxied via `tailscale serve` (e.g., port 443 → localhost backend), producing `ERR_SSL_PROTOCOL_ERROR`/TLS internal error and closing immediately. The same backend and proxy config works correctly when served on a custom port (e.g., 8443).
193c98ca-792d-4264-9617-3d2458705330
WebSocket connections to wss://<host>:443 fail when proxied via tailscale serve (e.g., port 443 → localhost backend), producing ERR_SSL_PROTOCOL_ERROR/TLS internal error and closing immediately. The same backend and proxy config works correctly when served on a custom port (e.g., 8443).