From owner-freebsd-hackers@FreeBSD.ORG  Fri Feb 18 14:30:07 2005
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Date: Thu, 17 Feb 2005 10:34:31 -0800 (PST)
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To: myself@rojer.pp.ru
From: "ALeine" <aleine@austrosearch.net>
cc: freebsd-hackers@freebsd.org
Subject: Re: occasional ECONNREFUSED when connect()ing. 
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> After further investigation and digging, I uncovered the true cause of 
> the error: connect() returning ECONNREFUSED.

You are probably exhausting the queue of pending connections, you may want
to read man 2 listen and use sysctl to set kern.ipc.somaxconn accordingly.

ALeine

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