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To: Alex Kapranoff <kappa@rambler-co.ru>
References: <20050405122317.GA22484@capella.park.rambler.ru>
From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 05 Apr 2005 14:25:16 -0400
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cc: questions@freebsd.org
Subject: Re: Is sshd limiting the rate of successful connections?
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Alex Kapranoff <kappa@rambler-co.ru> writes:

> It seems that a recent 5-STABLE limits the rate of successful incoming
> logins. Is it true? We failed to find the relevant code neither in
> openssh nor in openpam. The symptoms are that after a big number of
> quick successful logins sshd starts to delay or block login attempts
> for as long as 10 seconds. Does someone know anyhting about such
> behaviour or is this some obscure configuration problem (read: pilot
> error)?

You might be hitting the "MaxStartups" limit, but that only applies to
connections that haven't yet authenticated.