SSH protokolü ile bağlantı yaparken aşağıdaki hatayı alıyorsanız daha önceden girdiğiniz sunucudaki SSH bilgilerinde değişiklik olduğunu gösterir.

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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
SHA256:
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:11
remove with:
ssh-keygen -f "/root/.ssh/known_hosts" -R "XXX.XXX.XXX.XXX"
ECDSA host key for 185.122.200.169 has changed and you have requested strict checking.
Host key verification failed.

Aşağıdaki komut ile önce var olan ssh keyleri silinir.