4.3 Server Announce Request

 12 bytes, server to client
 00000000 72 44 6e 49 01 00 0c 00 01 00 00 00   
 72 44             Header->RDPDR_CTYP_CORE = 0x4472
 6e 49             Header->PAKID_CORE_SERVER_ANNOUNCE = 0x496e
 01 00             VersionMajor = 0x0001
 0c 00             VersionMinor = 0x000c
 01 00 00 00       ClientId = 0x00000001