2.2.1.11 Client Info PDU

The Client Info PDU is an RDP Connection Sequence PDU sent from client to server during the Secure Settings Exchange phase of the RDP Connection Sequence (see section 1.3.1.1 for an overview of the RDP Connection Sequence phases). It is sent after transmitting a Security Exchange PDU (section 2.2.1.10) or, if the Security Exchange PDU was not sent, it is transmitted after receiving all requested MCS Channel Join Confirm PDUs (section 2.2.1.9).


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tpktHeader

x224Data

mcsSDrq (variable)

...

clientInfoPduData (variable)

...

tpktHeader (4 bytes): A TPKT Header, as specified in [T123] section 8.

x224Data (3 bytes): An X.224 Class 0 Data TPDU, as specified in [X224] section 13.7.

mcsSDrq (variable): Variable-length PER-encoded MCS Domain PDU (DomainMCSPDU) which encapsulates an MCS Send Data Request structure (SDrq, choice 25 from DomainMCSPDU), as specified in [T125] section 11.32 (the ASN.1 structure definitions are given in [T125] section 7, parts 7 and 10). The userData field of the MCS Send Data Request contains a Client Info PDU Data (section 2.2.1.11.1) structure.

clientInfoPduData (variable): The contents of the Client Info PDU, as specified in section 2.2.1.11.1.

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