SSH Login Speed

Justin Findlay justin at
Thu Jun 5 14:07:32 MDT 2008

On AD 2008 June 05 Thursday 01:40:19 PM -0600, Kimball Larsen wrote:
> I think I found it:
> Instead of mucking about with GSSAPI settings, I just added "UseDNS no" to 
> /etc/ssh/sshd_config and restarted the ssh daemon.

One way to start looking that's easy is to use ssh -vvv and see what
debugging statements it delays on.  If you want to dig deeper than that,
strace ssh would give you more info that might be instructive as to what
is causing the DNS delay.


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