2.1.2 Client

The client MUST use RPC over named pipes (that is, ncacn_np), as specified in [MS-RPCE], as the RPC protocol sequence to communicate with the server. The client MUST specify either SPNEGO (0x9) or NTLM (0xA) (as specified in [MS-RPCE]) as the Authentication Service (AS).

The client MUST specify packet-level integrity authentication (0x5) or higher, as specified in [MS-RPCE] section 2.2.1.1.8.<6>