OptionalchallengeChallenge specific status string.
OptionalfwForwarding hint needed for retrieving issued certificate.
OptionalissuedIssued certificate name.
OptionalparametersChallenge parameter key-value pairs.
OptionalremainingRemaining time to complete challenge, in milliseconds.
OptionalremainingNumber of remaining tries to complete challenge.
Request session status.
Fields of CHALLENGE response packet.