OpenSSH with slow login

[Kevin Steves]

On Mon, Jun 10, 2002 at 07:43:51PM -0300, Jorge Cleber Teixeira de Almeida Junior wrote:
>   I have installed Openssh on a HP-UX 11.00 and I am having a problem.  It
> lasts 5 minutes to login, after I enter my login and password.
> I try to connect from a Windows machine having a Tera Term SSH client to the
> HP UX with the OpenSSH server ?
> 
> Why does it take so long time (5 minutes) to establish a connection from a
> remote machine to this openssh server ?
> When I do Telnet to the same machine, it takes just 3 seconds !!

run sshd -ddd to see where it pauses.  also look at the sshd -u option.
my guess is DNS delays for reverse mapping.