갑자기 관리하던 서버에 접속이 되지않아 다른 서버로 경유해서 ssh로
접속을 시도했습니다...
그랬더니 아래와 같은 메세지가 나옵니다...
도대체 무슨 내용인지....--+;
 [account@ns account]$ ssh -l account domain.com
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@       WARNING: POSSIBLE DNS SPOOFING DETECTED!          @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
The RSA host key for domain.com has changed,
and the key for the according IP address 123.123.123.123
is unknown. This could either mean that
DNS SPOOFING is happening or the IP address for the host
and its host key have changed at the same time.
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    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
4b:11:4c:6b:94:c7:39:be:5d:af:38:5b:f0:c0:49:23.
Please contact your system administrator.
Add correct host key in /home/hosting/account/.ssh/known_hosts to get rid of this message.
Offending key in /home/hosting/account/.ssh/known_hosts:3
RSA host key for domain.com has changed and you have requested strict checking.
Host key verification failed.