Host key verification failed.

bo-yoon·2021년 8월 30일
0

ssh 를 사용해서 서버에 접속하다보면 간혹 다음과 같은 에러가 나온다.


➜  ~ ssh bbo@localhost -p 24004
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    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
SHA256:fasdfasdfkjasldfkja;sdlfka;kfdjY.
Please contact your system administrator.
Add correct host key in /Users/user/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /Users/user/.ssh/known_hosts:10
ECDSA host key for [localhost]:24004 has changed and you have requested strict checking.
Host key verification failed.

위의 에러는 인증서가 잘못 세팅되어 충돌이 나서 발생하는 에러이다.

해당 /Users/user/.ssh/known_hosts에서 localhost:24004 에 관련된 내용을 삭제하고 다시 접속해주면 된다.

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