[CentOS] ssh slow

I heard it before

but how can be solved?

Thank you

--- On Wed, 5/5/10, Barry Brimer <lists at brimer.org> wrote:

> From: Barry Brimer <lists at brimer.org>
> Subject: Re: [CentOS] ssh slow
> To: "CentOS mailing list" <centos at centos.org>
> Received: Wednesday, May 5, 2010, 8:47 PM
> > How I can configure sshd_config
> to improve the ssh faster?
> >
> > It is slow to prompt the login
> 
> That usually indicates a DNS problem.  sshd tries to
> do a reverse DNS 
> resolution to lookup the connecting client.
> 
> Barry
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