【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key

报错信息

Permissions for 'id_rsa' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
Load key "id_rsa": bad permissions
xxx@xxx: Permission denied (publickey).

问题描述

(发现XShell自带的公私钥生成工具,生成的公私钥对不好使)

使用ssh-keygen生成公私钥对之后,直接在cmd命令行中进行连接:

ssh-keygen

得到
在这里插入图片描述
将公钥添加到服务器的authorized_keys之后,

ssh username@hostname -p 17022 -i id_rsa

报错如下

【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第1张图片

Permissions for 'id_rsa' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
Load key "id_rsa": bad permissions
xxx@xxx: Permission denied (publickey).

解决办法

主要是因为本地的私钥文件 id_rsa 的权限太开放了

Windows环境下

在Windows本地环境下:
右键id_rsa文件 → 属性 → 高级
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第2张图片
点击“禁用继承”
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第3张图片
点击 “将已继承的权限转换为此对象的显式权限。”
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第4张图片

之后情况如下:
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第5张图片

然后把所有用户和组的权限都删除:
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第6张图片

【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第7张图片

再点击 “添加”
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第8张图片

输入当前的主机名(例如juruo),点击确定
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第9张图片
看到 “主体”跟之前的 id_rsa文件的 所有者 保持一致
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第10张图片
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第11张图片

【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第12张图片
点击 应用:
【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第13张图片

之后就可以正常使用id_rsa这个私钥了:

【服务器】SSH 私钥报错 Permissions for ‘id_rsa‘ are too open. It is required that your private key_第14张图片

Linux环境下

在Linux本地环境下:

chmod 600 ~/.ssh/id_rsa ~/.ssh/id_rsa.pub

参考:https://blog.csdn.net/IBLiplus/article/details/102405792

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