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Re-enabling passphrase request

from [Rich Shepard] Network Security [Permanent Link]
Subject: Re-enabling passphrase request
Date: Sun, 20 Feb 2005 12:48:56 -0800 (PST) 
  I've been using openssh-2 for a while now; all the systems are
Slackware-10.0. Up until a few months ago I was asked for my passphrase when
initiating a session to another host. If I pressed the [Enter] key I was
then asked for my password. Now, however, I'm not asked for my passphrase at
all.

  This is fine when I'm in the office and connecting to the other
workstation or a portable. But, when I'm away from the office I would prefer
to use my passphrase from the laptop back to the office network.

  On all hosts, /etc/ssh/sshd_config has "PubkeyAuthentication yes" and
~/.ssh/known_hosts has the public key for each of the other hosts. In
~/.ssh/known_hosts I do have a mix of ssh-rsa and ssh-dss; the former left
over from ssh-1 days. Can this be part of the problem?

  I cannot figure out why I am no longer asked for my passphrase, even when
initiating the session as "ssh -2", nor how to fix it. My reading and google
searches haven't given me a clue. Do I need to start over and regenerate
keys? I'd greatly appreciate a clue.

Thanks,

Rich

--
Dr. Richard B. Shepard, President
Applied Ecosystem Services, Inc. (TM)
<http://www.appl-ecosys.com>   Voice: 503-667-4517   Fax: 503-667-8863

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