health Check Protocol
Parameters
value
The protocol that is used for health checks. Valid values:
HTTP
: HTTP health checks simulate browser behaviors by sending HEAD or GET requests to probe the availability of backend servers.HTTPS
: HTTPS health checks simulate browser behaviors by sending HEAD or GET requests to probe the availability of backend servers. HTTPS provides higher security than HTTP because HTTPS supports data encryption.TCP
: TCP health checks send TCP SYN packets to a backend server to probe the availability of backend servers.gRPC
: gRPC health checks send POST or GET requests to a backend server to check whether the backend server is healthy.