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192.168.0.4 ssh 连接 192.168.0.5的时候, 前者是Alice,后者是Bob
(谁输入密码谁是Alice, 谁有公钥和私钥对谁是Bob)
如果BOB的公钥不对的话,Alice出现:
- [root@station4 ssh]# ssh 192.168.0.5
- ssh_exchange_identification: read: Connection reset by peer
- [root@station4 ssh]# ssh 192.168.0.5
- @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
- @ 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:mD3xiUZRelmK4f4aQPpn/CyWd0umnJ5UAYDwQ6tZd10.
- 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:4
- ECDSA host key for 192.168.0.5 has changed and you have requested strict checking.
- Host key verification failed.
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