4.1 Pre-Login Request
The following is an example of the pre-login request that is sent from the client to the server.
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12 01 00 34 00 00 01 00 00 00 15 00 06 01 00 1B 00 01 02 00 1C 00 0C 03 00 28 00 04 FF 08 00 01 55 00 00 00 4D 53 53 51 4C 53 65 72 76 65 72 00 80 19 00 00 <PacketHeader> <Type> <BYTE>12 </BYTE> </Type> <Status> <BYTE>01 </BYTE> </Status> <Length> <BYTE>00 </BYTE> <BYTE>34 </BYTE> </Length> <SPID> <BYTE>00 </BYTE> <BYTE>00 </BYTE> </SPID> <Packet> <BYTE>01 </BYTE> </Packet> <Window> <BYTE>00 </BYTE> </Window> </PacketHeader> <PacketData> <Prelogin> <TokenType> <BYTE>00 </BYTE> </TokenType> <TokenPosition> <USHORT>00 15</USHORT> </TokenPosition> <TokenLeng> <USHORT>00 06</USHORT> </TokenLeng> <TokenType> <BYTE>01 </BYTE> </TokenType> <TokenPosition> <USHORT>00 1B</USHORT> </TokenPosition> <TokenLeng> <USHORT>00 01</USHORT> </TokenLeng> <TokenType> <BYTE>02 </BYTE> </TokenType> <TokenPosition> <USHORT>00 1C</USHORT> </TokenPosition> <TokenLeng> <USHORT>00 0C</USHORT> </TokenLeng> <TokenType> <BYTE>03 </BYTE> </TokenType> <TokenPosition> <USHORT>00 28</USHORT> </TokenPosition> <TokenLeng> <USHORT>00 04</USHORT> </TokenLeng> <TokenType> <BYTE>FF </BYTE> </TokenType> <PreloginData> <BYTES>08 00 01 55 00 00 00 4D 53 53 51 4C 53 65 72 76 65 72 00 80 19 00 00</BYTE> </PreloginData> </Prelogin> </PacketData>