public key access error
From: Daniel Huang (danielhuang_at_hotmail.com)
Date: 10/29/04
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Date: Fri, 29 Oct 2004 16:39:38 -0400
Hi, I have one Linux client machine A get reinstalled yesterday and the it's
ssh hostkey got changed.
but We used to login in to this machine A with public key through another
unix machine B which we dont' have root access.
Since the linux client A box's host key was changed , so when we try to ssh
to the linux A from the unix machine B, we got reject as the B still trying
to remember the old linux B host key.
I remove the host key from the known_hosts file from unix B, still got msg:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle
attack)!
It is also possible that the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
23:00:20:83:de:02:95:f1:e3:34:be:57:3f:cf:2c:e7.
Please contact your system administrator.
Add correct host key in /home/xahria/.ssh/known_hosts to get rid of this
message.
Offending key in /home/xahria/.ssh/known_hosts:8
RSA host key for localhost has changed and you have requested strict
checking.
Host key verification failed.
looks like the unix B's stricthostkeychecking=yes, and won't allow us to
change any machine's host key.
Any idea on this ?
Thanks
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