From: Daniel Ouellet (danielpresscom.net)
Date: Wed Dec 12 2007 - 19:57:18 CST

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Otto Moerbeek wrote:
> I did not follow the complete thread, but I like to mention one thing:
> there might be half open connections involved here.
>
> A client might do a half close (i.e. shutdown(SHUT_WR)) after sending
> a request. This will make the connection a half-duplex one. iirc, after the
> shutdown, the server moves to CLOSE_WAIT, but will still be able to
> send data to the client, until it decides that it is done and closes
> down the connection.

Thanks for your feedback Otto!

I keep reading this and may be my English is not getting it fully. For
my own knowledge and understanding, when you say half open and haft
close. In both cases they needed and have done the full three step
handshake or may be skip some of it?

In other word they can or can't reach the CLOSE_WAIT without doing the
full complete and proper three step handshake?

I would appreciate to understand that for myself as I thought it was
clear, but I guess I still have a gap unfill. (;>

Best,

Daniel

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