woff 發表於 2018-5-20 12:12:03

SSH連現時出現「WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!」解...



想要用ssh來操控,沒想到連線時,出現「WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!」,後面還有一大串英文,收尋了一下,終於被小弟找到原因了~
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@    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 RSA key sent by the remote host isSHA256:WIQssO0CpvBD9wgXY8GZN51+BPHYZGYsZM6fANIzBTk.Please contact your system administrator.Add correct host key in /Users/woff/.ssh/known_hosts to get rid of this message.Offending RSA key in /Users/woff/.ssh/known_hosts:1RSA host key forhas changed and you have requested strict checking.Host key verification failed.
會出現這訊息是因為,第一次SSH連現時,會生成一個認證,儲存在客戶端(也就是用SSH連線其他電腦的那個,自己操作的那個)中的known_hosts,但是如果伺服器端重灌過了,認證資訊當然也會更改,伺服器端與客戶端不同時,就會跳出錯誤啦~因此,只要把電腦中的認證資訊刪除,連線時重新生成,就一切完美啦~要刪除很簡單,只要在客戶端輸入一個指令

ssh-keygen -R 伺服器端的IP或網址
接下來在連線一次,會出現

Are you sure you want to continue connecting (yes/no)?
輸入yes,就完成連線啦!同時,新的認證也生成了


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