4.2 GETUNIXCREDSFROMNTUSERNAME_PROC

The client sends a SUNRPC packet to the User Name Mapping Protocol service that requests the POSIX account mapping for the Windows user "nfs-dom-1\administrator".

   Frame: 
 + Ethernet: Etype = Internet IP (IPv4)
 + Ipv4: Next Protocol = UDP, Packet ID = 40198, Total IP Length = 96
 + Udp: SrcPort = 965, DstPort = UNM(819), Length = 76
 - Rpc: Call, Program = mapsvc, Procedure =
   GETUNIXCREDSFROMNTUSERNAME_PROC
     TransactionID: 1305299282 (0x4DCD4952)
     MessageType: Call
   - ServiceCall: 
       RPCVersionNumber: 2 (0x2)
       ProgramNumber: mapsvc, 351455(0x00055CDF)
       ProgramVersion: 2 (0x2)
       ProcedureNumber: GETUNIXCREDSFROMNTUSERNAME_PROC
     - Credential: No Identity Authentication
         Flavor: No Identity Authentication
         AuthDataLength: 0 (0x0)
     - Verification: 
         Flavor: No Identity Authentication
         AuthDataLength: 0 (0x0)
 - Unm: GETUNIXCREDSFROMNTUSERNAME_PROC Call
   - WindowsUserAccountName: 
     - WindowsAccountName: 0x1
       - UNMName: nfs-dom-1\administrator
           Length: 23
           Data: nfs-dom-1\administrator
           Padding: Binary Large Object (1 Bytes)

The User Name Mapping Protocol service on the server responds with a SUNRPC response packet with the advanced map for Windows user "nfs-dom-1\administrator" to POSIX user "root" with UID 0 and GID 0, illustrated as follows.

   Frame: 
 + Ethernet: Etype = Internet IP (IPv4)
 + Ipv4: Next Protocol = UDP, Packet ID = 20813, Total IP Length = 76
 + Udp: SrcPort = UNM(819), DstPort = 965, Length = 56
 - Rpc: Reply, Status = Message accepted, Detail = Call succeeded
     TransactionID: 1305299282 (0x4DCD4952)
     MessageType: Reply
   - ServiceReply: 
       ReplyStatus: Message accepted
     - MessageAccepted: 
       - Verification: 
           Flavor: No Identity Authentication
           AuthDataLength: 0 (0x0)
         AcceptState: Call succeeded
 - Unm: GETUNIXCREDSFROMNTUSERNAME_PROC Reply
   - UnixCreds: 
     - UnixAccountName: 0x1
       - UNMName: root
           Length: 4
           Data: root
       ID: 0
       GidCount: 2
     - GID: 
         GID: 1
         GID: 1