TCP handshake process

I have TCP client application and trying to connect with Server located at remote machine. I am able to connect it.

when I Send Message Called Hello packet the Server should respond with data and time info. but to my surprise recv ret开发者_运维知识库urns 0 at client. since I can't Debug code at Server. I am not sure but may be there is problem in encoding the message format hello packet at th client upon receiving the wrong packet server is clsoing the connection I wanted to confirm the meaning of following sequence is

I got following info from wire shark

   src IP------>dst ip SYN
   dst ip ----->src ip SYN,ACK
   src IP------>dst ip ACK


   src IP------>dst ip continuation or non http traffic "Hello Packet"
   dst ip------>ACK
   dst ip------>FIN, ACK

Does this means Server is closing the connection once it receives the hello packet?

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Yeah, the FIN,ACK sequence is sent by one of the entity connected when they want to close the connection