root@con:/var/# scp -r phpBB root@141.211.82.118:/var/www
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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 a host key has just been changed.
The fingerprint for the ECDSA key sent by the remote host is
9f:3f:c8:5d:96:34:88:23:0b:d2:38:d1:b2:78:ab:6b.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /root/.ssh/known_hosts:3
ECDSA host key for 144.217.81.128 has changed and you have requested strict checking.
Host key verification failed.
lost connection
root@consultantunix:/var/www# ssh-keygen -R "141.211.82.118"
/root/.ssh/known_hosts updated.
Original contents retained as /root/.ssh/known_hosts.old