From: invalid@invalidinvalid.org   
      
   In the tcp 3-way-handshake the client is in the initial   
   SYN+ACK rcvd stage, now client decides to gracefully abort   
   the handshake, and close this (half-open) connection properly   
   (ie. cause a reset on the remote side). For this to happen,   
   should client send an RST or an ACK+RST? And what values   
   should(must) the tcphdr fields seq and ack have?   
   Or should he do nothing and let it timeout on the other side?   
   Is this scenario covered in the rfc 793 ( http://tools.ietf.org/html/rfc793 ),   
   (ie. sections 3.4 and 3.5 (page30+)?   
      
   TIA,   
   Uenal Mutlu, Hannover/Germany   
      
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