The agent network protocol to access the storage service.
Values:
NETWORK_PROTOCOL_UNSPECIFIED (0):
NetworkProtocol is not specified.
NETWORK_PROTOCOL_HTTPS (1):
Perform requests using HTTPS.
NETWORK_PROTOCOL_HTTP (2):
Not recommended: This sends data in
clear-text. This is only appropriate within a
closed network or for publicly available data.
Perform requests using HTTP.
