From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mahavir Jain <mjainp@gmail.com>
Subject: Re: close() on tcp socket.
Date: Sun, 17 Apr 2011 17:56:15 +0530
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To: ratheesh kannoth <ratheesh.ksz@gmail.com>
Cc: linux-c-programming@vger.kernel.org

Hi Ratheesh,

On Wed, Apr 6, 2011 at 4:30 PM, ratheesh kannoth <ratheesh.ksz@gmail.co=
m> wrote:
> connect() system call establishes a connection as shown in below step=
s.
>
> 1. =A0 |client | =A0----------------- syn ---------------> =A0| serve=
r |
>
> 2. =A0|Server| =A0--------------syn+ ack --------------> | client |
>
> 3. =A0| Client | -----------------ack --------------------> | Server =
|
>
>
> But establishing connection , client calls close() system call. Clien=
t
> is sending FIN+ ACK to server =A0[ i expected only FIN to be sent fro=
m
> client to server ]
>

Above sequence is correct.

See Q2.7 in following link for more details,
http://www.faqs.org/faqs/unix-faq/socket/

--=20
Thanks,
Mahavir
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