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My application is using a RADIUS client implementation in order to authenticate users (using username/password and a shared secret). In the response from the server (Access-Accept), various attributes are provided, and I use them for getting a few relevant user properties.

The problem: once in a while, I need to refresh the value of the "Class" attribute. I don't have the full credentials any more, only the user name, and I don't want to force the users to re-authenticate. Is there any way to fetch this attribute without the password?

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Class 属性是一个会话 cookie，由 RADIUS 服务器在身份验证数据包中返回，然后由 RADIUS 客户端在计费数据包中发回。我很确定你不能在不重新认证的情况下刷新 Class 属性。

于 2012-09-04T12:22:10.543 回答
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如果您想更改已建立会话的类属性值，您可以发出 CoA 请求（取决于 NAS 支持）。

于 2014-02-22T01:05:32.497 回答