pilar@cirdan:~$ ssh root@192.168.1.1
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@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
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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 DSA host key has just been changed.
The fingerprint for the DSA key sent by the remote host is
b8:14:fc:c9:f2:a3:7c:f8:89:b3:f5:b8:28:c6:75:73.
Please contact your system administrator.
Add correct host key in /home/pilar/.ssh/known_hosts to get rid of this message.
Offending key in /home/pilar/.ssh/known_hosts:1
DSA host key for 192.168.1.1 has changed and you have requested strict checking.
Host key verification failed.