On Thu, 2010-05-06 at 16:39 +0100, Khusro Jaleel wrote:
> I've found that if I'm on an Ubuntu machine and SSHing to a Centos 5.4
> machine, it does the same thing, i.e. it sort of hangs for a while then
> comes back after about 10-15 secs with a login prompt.
>
> I've found that editing the /etc/ssh/ssh_config (note ssh_config, NOT
> sshd_config) file on the Ubuntu box and *commenting out* the following
> fixes it immediately, without needing to restart anything:
>
> GSSAPIAuthentication yes
> GSSAPIDelegateCredentials no
>
> Change the above 2 lines to
>
> #GSSAPIAuthentication yes
> #GSSAPIDelegateCredentials no
>
> and try again.
>
> On 06/05/10 13:25, ann kok wrote:
> > but I put this to no
> >
> > the ssh is still slow
> >
> > any hints
> >
> > thank you
>
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Try disabling both reverse DNS and GSSAPIAuthentication
http://www.taiter.com/blog/2009/04/disabling-reverse-lookup-for-s.html
Tait
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