Re: SSH takes ages to authorise
I saw this same problem as well. It is as you suspected, DNS. Since I
had a name server on my masqed network I just created a reverse zone and
all was well. There must be a way to prevent ssh from doing reverse
lookups but I don't know what that option is...
Greg
On Wed, 27 Jun 2001, Nik Makepeace wrote:
> When I connect to my Debian potato machine using ssh (via Putty) protocol 1
> or 2, after I have entered the correct password, it takes ages (about 10
> seconds, although sometimes much more) to complete the authorisation process.
>
> Looking at top while this is happening shows sshd using about 2% for the
> duration.
>
> Using Putty top connect to my other Debian (woody) box results in a near
> instantaneous connection, and using this woody machine to ssh to the potato
> machine results in a near instantaneous connection:
>
> Windows -> potato : slow
> Windows -> woody : fast
> woody -> potato : fast
> potato -> woody : fast
>
> I suspect it might be a DNS lookup thing; my windows machine is masq'd by
> the potato machine. Perhaps it is trying to do a reverse lookup on
> 192.168.1.2?
>
> Any suggestions appreciated - 10 seconds is not so long to wait for a
> login, but it can feel like eternity!
>
> Nik
>
>
>
--
Greg Rowe
Paranoia is a virtue.
http://www.therowes.net
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