x224

const (
	TPDU_CONNECTION_REQUEST MessageType = 0xE0
	TPDU_CONNECTION_CONFIRM             = 0xD0
	TPDU_DISCONNECT_REQUEST             = 0x80
	TPDU_DATA                           = 0xF0
	TPDU_ERROR                          = 0x70
)

const (
	TYPE_RDP_NEG_REQ     NegotiationType = 0x01
	TYPE_RDP_NEG_RSP                     = 0x02
	TYPE_RDP_NEG_FAILURE                 = 0x03
)

const (
	PROTOCOL_RDP       uint32 = 0x00000000
	PROTOCOL_SSL              = 0x00000001
	PROTOCOL_HYBRID           = 0x00000002
	PROTOCOL_HYBRID_EX        = 0x00000008
)

const (
	//The server requires that the client support Enhanced RDP Security (section 5.4) with either TLS 1.0, 1.1 or 1.2 (section 5.4.5.1) or CredSSP (section 5.4.5.2). If only CredSSP was requested then the server only supports TLS.
	SSL_REQUIRED_BY_SERVER = 0x00000001

	//The server is configured to only use Standard RDP Security mechanisms (section 5.3) and does not support any External Security Protocols (section 5.4.5).
	SSL_NOT_ALLOWED_BY_SERVER = 0x00000002

	//The server does not possess a valid authentication certificate and cannot initialize the External Security Protocol Provider (section 5.4.5).
	SSL_CERT_NOT_ON_SERVER = 0x00000003

	//The list of requested security protocols is not consistent with the current security protocol in effect. This error is only possible when the Direct Approach (sections 5.4.2.2 and 1.3.1.2) is used and an External Security Protocol (section 5.4.5) is already being used.
	INCONSISTENT_FLAGS = 0x00000004

	//The server requires that the client support Enhanced RDP Security (section 5.4) with CredSSP (section 5.4.5.2).
	HYBRID_REQUIRED_BY_SERVER = 0x00000005

	//The server requires that the client support Enhanced RDP Security (section 5.4) with TLS 1.0, 1.1 or 1.2 (section 5.4.5.1) and certificate-based client authentication.<4>
	SSL_WITH_USER_AUTH_REQUIRED_BY_SERVER = 0x00000006
)