On Thu, 18 Dec 2003 10:29:05 +0100, "BSarton" <[EMAIL PROTECTED]> wrote:
> Klint,
> Why so many smtp 'time wait' (délai d'attente)  in  netstat listings ?
>
> What are all these smtp sessions doing in this state - if doing anything ?
>
> Are there some timeout parameters in smtprcv that where defined for a slower
> internet, and that could be reduced so to close sessions quicker ?
>
>  Is it possible that some spams are in fact viruses, that freeze smtp
> sessions by maintening endless connections ?
>
> Pardon my ignorance of the smtp protocol in these suggestions

It's not the smtp protocol that does it.  It's the windows IP stack.
Whichever end disconnects first gets the TIME_WAIT.  The smtprcv response
to the quit command is to send the 221 closing and disconnect.

Read this

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winsock/winsock/disconnectex_2.asp

You can change a registry entry to set the time that the socket will be
in time_wait (default 240 seconds).

klint.

+---------------------------------------+-----------------+
: Klint Gore                            : "Non rhyming    :
: EMail   : [EMAIL PROTECTED]           :  slang - the    :
: Snail   : A.B.R.I.                    :  possibilities  :
: Mail      University of New England   :  are useless"   :
:           Armidale NSW 2351 Australia :     L.J.J.      :
: Fax     : +61 2 6772 5376             :                 :
+---------------------------------------+-----------------+
This is the discussion list for the IMS Free email server software.
  To unsubscribe send mailto:[EMAIL PROTECTED]

            Delivered by Rockliffe MailSite
           http://www.rockliffe.com/mailsite
                Rock Solid Software (tm)

Reply via email to