healthCheckProtocol

The protocol used for the health check. Value: HTTP (default): Sends a HEAD or GET request to simulate the browser's access behavior to check whether the server application is healthy. HTTPS: Sends a HEAD or GET request to simulate the browser's access behavior to check whether the server application is healthy. (Data encryption is more secure than HTTP.) TCP: Sends a SYN handshake packet to check whether the server port is alive. gRPC: Check whether the server application is healthy by sending a POST or GET request.