Check permissions... I have ran into times when Somehow(tm)
permissions have changed on the ~/.ssh directory or the contents, and
SSH is very picky about security in that respect.

On 10/3/07, Bryan O'Neal <BONeal@cornerstonehome.com> wrote:
> Agreed, but neither sides .ssh files have changed.  I am becoming
> tempted to just regenerate the keys on both sides and copy the public
> key over and be done with it.  But on that note, last time I did this I
> did both RSA and DSA, but I can not remember my reasoning for not just
> doing RSA.  Any one have any thoughts?
>
> -----Original Message-----
> From: plug-discuss-bounces@lists.plug.phoenix.az.us
> [mailto:plug-discuss-bounces@lists.plug.phoenix.az.us] On Behalf Of
> Darrin Chandler
> Sent: Wednesday, October 03, 2007 12:05 PM
> To: Main PLUG discussion list
> Subject: Re: Trouble with key based authentication
>
> Bryan,
>
> On Wed, Oct 03, 2007 at 11:45:51AM -0700, Bryan O'Neal wrote:
> > debug1: Authentications that can continue:
> > publickey,gssapi-with-mic,password
> > debug1: Next authentication method: publickey
> > debug1: Offering public key: /backupuser/.ssh/id_rsa
> > debug1: Authentications that can continue:
> > publickey,gssapi-with-mic,password
> > debug1: Offering public key: /backupuser/.ssh/id_dsa
> > debug1: Authentications that can continue:
> > publickey,gssapi-with-mic,password
> > debug1: Next authentication method: password
> > remoteuser@remote.cornerstonehome.com's password:
>
> It looks very much like the public key (id_rsa.pub|id_dsa.pub) is not in
> the ~remoteuser/.ssh/authorized_keys file. Since it used to work,
> something must have changed somewhere. Have a look at the .pub file(s)
> and then examine the remote's authorized_keys file and compare. Your -v
> output looks like everything is fine except that it doesn't like the
> key.
>
> --
> Darrin Chandler            |  Phoenix BSD User Group  |  MetaBUG
> dwchandler@stilyagin.com   |  http://phxbug.org/      |
> http://metabug.org/
> http://www.stilyagin.com/  |  Daemons in the Desert   |  Global BUG
> Federation
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