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19.7. Enabling a Password Change Dialog
There may be situations when a user exists in Identity Management but does not have a valid Kerberos ticket, meaning he cannot authenticate to the IdM domain. This is possible for new users or for users whose domain passwords have expired. Much like enabling password authentication in the web UI, it is possible to enable password-based authentication to the client. This opens up a password change dialog box to allow the user to reset the expired password.
The password change dialog is enabled by using OpenSSH's challenge-response authentication.
The challenge-response dialog is optional. In many environments, it is not necessary because SSSD can handle changing expired passwords by invoking the required PAM modules. However, using the challenge-response option in OpenSSH makes it possible to do password changes directly in PAM and to support full PAM conversations.
This is not enabled by default, but it can be enabled by editing the OpenSSH configuration.
- Open the