Linux远程连接ssh时提示：IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!

[root@li sh]#
ssh 172.16.13.99

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

@    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 a host key has just been changed.

The fingerprint for the ECDSA key sent by the remote host is

96:60:5a:ad:d3:52:9c:f0:34:c7:35:fc:e9:c8:22:01.

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:1

ECDSA host key for 172.16.13.99 has changed and you have requested strict checking.

Host key verification failed.

[root@li sh]#
scp ftp.sh 172.16.13.99://data/

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

@    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 a host key has just been changed.

The fingerprint for the ECDSA key sent by the remote host is

96:60:5a:ad:d3:52:9c:f0:34:c7:35:fc:e9:c8:22:01.

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:1

ECDSA host key for 172.16.13.99 has changed and you have requested strict checking.

Host key verification failed.

lost connection

解决办法：
[root@li sh]# rm -rf ~/.ssh/known_hosts

删除后再此尝试连接或者拷贝就可以了。