SSH can not login: userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedAlgorithms [preauth]

2023-03-17 / 0 评论 / 0 点赞 / 10 阅读 / 64 字

03/17

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Issue

Can not login SSH via public/private key pair, run systemctl status sshd on ssh server side, showed a log:

userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedAlgorithms [preauth]

RSA Algorithm is deprecated, especially in new version of Open SSH server.

Generate new key pair with another algorithm, such as ssh-keygen -t ed25519 -C "[email protected]".

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