解决Host key verification failed.(亲测有效)

最新推荐文章于 2025-02-10 20:39:04 发布

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最新推荐文章于 2025-02-10 20:39:04 发布 · 885 阅读

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#ssh

本文介绍了在SSH连接时遇到Host key verification failed. 错误的详细情况，包括问题背景和解决方案。当服务器的ECDSA主机密钥改变，导致严格检查失败时，可以使用ssh-keygen -R IP地址命令删除已知主机记录，从而解决该问题。

一、发现问题
问题如下图代码：

$ ssh root@108.61.163.242
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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:HDjXJvu0VYXWF+SKMZjSGn4FQmg/+w6eV9ljJvIXpx0.
Please contact your system administrator.
Add correct host key in /Users/wangdong/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /Users/wangdong/.ssh/known_hosts:46
ECDSA host key for 108.61.163.242 has changed and you have requested strict checking.
Host key verification failed.

这里面，有一句很关键。

ECDSA host key for 108.61.163.242 has changed and you have