----- Original Message ----
> From: "aurfal...@gmail.com" <aurfal...@gmail.com>
> To: CentOS mailing list <centos@centos.org>
> Sent: Thu, 21 January, 2010 20:07:27
> Subject: Re: [CentOS] trouble shooting slow ssh logins
>
> > aurfal...@gmail.com wrote:
> >> Hi all,
> >>
> >> I noticed that my ssh logins to a particular server were taking up to
> >> 5 seconds to finally login.
> >
> > This is frequently a DNS issue, is forward+reverse DNS functional?
>
> DNS was normal, forward reverse lookups exist and match that host.
>
Is the server able to to reverse lookups on the IP address of the incoming
client?
A day or two ago post a suggestion to use UseDNS No in the sshd config file
(from memory), which worked for me.
HTH.
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