当您收到关于远程主机身份变更的警告时，可能存在中间人攻击或主机密钥更改的风险。本教程指导您如何安全地处理此情况，通过删除错误的密钥条目并更新已知主机密钥来解决问题。
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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
dc:a6:da:83:96:52:cc:f5:6a:6c:d0:fd:5f:c1:31:46.
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 xx.xxx.xxx.xx has changed and you have requested strict checking.
Host key verification failed.
vim ~/.ssh/known_hosts
删除对应的IP的相关内容，保存后退出
@ 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
dc:a6:da:83:96:52:cc:f5:6a:6c:d0:fd:5f:c1:31:46.
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 xx.xxx.xxx.xx has changed and you have requested strict checking.
Host key verification failed.
vim ~/.ssh/known_hosts
删除对应的IP的相关内容，保存后退出
来自 “ ITPUB博客 ” ，链接：http://blog.itpub.net/28282660/viewspace-1749679/，如需转载，请注明出处，否则将追究法律责任。
转载于:http://blog.itpub.net/28282660/viewspace-1749679/
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