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Date:      Thu, 3 May 2001 07:46:53 +0300
From:      Odhiambo Washington <wash@wananchi.com>
To:        Bill Hickum <yh2789@yahoo.com>
Cc:        FBSD-Q <freebsd-questions@freebsd.org>
Subject:   Re: SSH hesitation after hostmane change
Message-ID:  <20010503074653.C60915@everest.wananchi.com>
In-Reply-To: <20010502173002.31928.qmail@web10906.mail.yahoo.com>;  from "Bill Hickum" on Wed, May 02, 2001 at 10:30:02AM -0700
References:  <20010502192222.P91358@everest.wananchi.com> <20010502173002.31928.qmail@web10906.mail.yahoo.com>

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* Bill Hickum <yh2789@yahoo.com> [20010502 20:29]: writing on the subject '=
Re: SSH hesitation after hostmane change'
Bill>=20
Bill> >=20
Bill> > Please go into /etc/ssh/ and delete any file ending
Bill> > with *key and *.pub
Bill> > and reboot. It will generate new host keys
Bill> > associated with the new name,
Bill> > which i hope is already set in hostname=3D"whatever"
Bill> > in rc.conf
Bill> > After that let us know if the behaviour is still the
Bill> > same.
Bill> >=20
Bill>=20
Bill> Sounds like you would like the details.
Bill>=20
Bill> Yes, I changed the hostname in rc.conf and did this
Bill> thing I saw to do in the book: hostname -s
Bill> new.host.name (whatever that's for).

=46rom the manpage of hostname, what the -s option does is  that instead of
printing the FQDN (Fully Qualified Domain Named),
e.g. hostname+domain_name, it would only give the host part. My box here
is called everest.wananchi.com

hostname -s would give 'everest' to std output.


Bill> 2 weeks ago when I first changed the hostname, and the
Bill> hesitation began, I guessed that letting it rebuild
Bill> the key and .pub files might fix this but it didn't. I
Bill> know I did it correctly because I didn't rm them I mvd
Bill> them to a subdirectory and they're still there.


Okay. I believe that would do the same thing as deleting them but I am not
sure. Maybe the daemon checks for keys in /etc/ssh and might descend the
whole hierarchy....deleting sounds more appealing to me than moving...


Bill> I just followed your advice and rm-ed them and
Bill> rebooted. THE first time I logged in from a remote
Bill> machine with ssh it was instantaneous. Because I tried
Bill> this before with no luck I was suspicious. This
Bill> suspicion led to my logging off and on a few more
Bill> times. The hesitation was back. It was only fast the
Bill> first time after rm-ing the files.

When these changes occur, we'd always expect the hesitation, and even the
'man in the middle' warning but it is nice to first do rm -rf .ssh/ from
your home directory.


Bill> I tried it again but it was slow from the get-go.
Bill> Every logon now is slow again.

Please tell me that you have your /etc/hosts file and /etc/resolv.conf
properly set, so that it is not ssh delay but rather a delay consequent
upon Name Resolution.......because I do not see any good reason why it
would the fast the 1st time then decide to go-slow again.

Okay I am not a ssh expert (I am just another jack out here), so the
-questions list might prove more helpful.


Regards


-Wash

--
Odhiambo Washington Wananchi Online Ltd.,
wash@wananchi.com 1st Flr Loita Hse
Tel: 254 2 313985 Loita Street.,
Fax: 254 2 313922 PO Box 10286, 00100-NAIROBI,KE.

Yes, but which self do you want to be?

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