Re: trouble shooting slow ssh logins

[Ian Murray <murrayie@xxxxxxxxxxx>]

----- Original Message ----
> From: "aurfalien@xxxxxxxxx" <aurfalien@xxxxxxxxx>
> To: CentOS mailing list <centos@xxxxxxxxxx>
> Sent: Thu, 21 January, 2010 20:07:27
> Subject: Re:  trouble shooting slow ssh logins
> 
> > aurfalien@xxxxxxxxx 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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