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List:       imap
Subject:    Re: Frequent IMAP disconnects
From:       ned () Innosoft ! COM
Date:       2005-02-05 2:13:55
Message-ID: 01LKEZHLN9JS00005R () mauve ! mrochek ! com
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> This stuff is usually due to a firewall or some other middle-box
> automatically closing TCP sessions after some amount of inactivity. IMAP
> sessions can be quiet for ~30 minutes, and its not uncommon to have
> middle-boxes close inactive TCP sessions after ~10 minutes...

FWIW, this has been my experience as well. I've also seen middleboxes that
were incapable of being configured to allow connections to last more than
99 minutes (two digit field).

Always suspect a middlebox even when people say there isn't one. These
things are all over the place and people may never have been told they
are present (or were told and simply forgot).

				Ned
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