Re: [PLUG] ssh login delay

[David Shaw <dshaw@jabberwocky.com>]

On Sun, Apr 13, 2003 at 06:47:28PM -0400, Jeff Abrahamson wrote:
> Logging in via ssh to a 486 box running debian sarge, there's a
> significant pause, presumably to generate a new session key.  This is
> surely unavoidable short of new hardware.
> 
> From the 486, I ssh to a very fast machine that, otherwise, would
> respond almost instantly with a request for a password. But I get a 35
> second delay.
> 
> Tailing messages, syslog, daemon.log, and auth.log, I don't see any
> difference between an ssh login to fast from fast or to fast from
> slow-486.
> 
> Any thoughts what might be going on or what I might look at?

Make sure that you have both forward *and reverse* DNS available on
the host you are ssh-ing from.  If SSH has to time out before giving
up on a DNS check, you get a very long delay in logging in.

David

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